Simulation Statistics for Pool Heaters (10000 samples)

LCC Savings Percentile min max average 5% 25% 50% 75% 95% 1 Improved HX -$18 $877 $1 $0 $0 $0 $0 $0 2 Improved HX -$40 $2,580 $25 -$1 $0 $0 $0 $133 3 Improved HX, More Effective Insulation (Combustion Chamber)-$98 $3,617 $22 -$56 -$7 $0 $0 $165 4 Power Venting -$321 $6,552 -$6 -$174 -$116 -$63 $0 $349 5 Power Venting, Improved HX -$432 $7,414 -$52 -$278 -$207 -$120 $0 $355 6Sealed Combustion, Improved HX -$1,791 $8,488 -$632 -$1,088 -$885 -$742 -$533 $0 7Sealed Combustion, Condensing -$2,553 $11,696 -$1,322 -$1,922 -$1,693 -$1,503 -$1,165 -$324 8Sealed Combustion, Condensing, Improved HX -$2,758 $16,145 -$1,361 -$2,130 -$1,860 -$1,620 -$1,136 $0

Payback Periods Percentile min max average 5% 25% 50% 75% 95% 1 Improved HX 0.2 20.0 5.3 0.9 2.2 4.0 6.7 17.4 2 Improved HX 0.1 45.5 5.4 0.7 1.6 2.7 5.1 25.5 3 Improved HX, More Effective Insulation (Combustion Chamber)0.3 105.5 15.2 1.6 4.4 8.6 16.3 60.0 4 Power Venting 0.6 234.5 32.3 2.9 8.3 18.2 37.8 129.1 5 Power Venting, Improved HX 0.7 327.3 39.0 3.7 9.9 19.2 37.7 152.7 6Sealed Combustion, Improved HX 1.5 888.4 85.8 7.6 19.6 38.1 77.8 413.6 7Sealed Combustion, Condensing 2.0 1489.1 99.2 10.6 25.3 44.5 90.8 452.2 8Sealed Combustion, Condensing, Improved HX 1.7 872.7 74.1 8.1 19.9 33.2 67.7 347.2

Retail Price Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition $1,163 $1,350 $1,304 $1,208 $1,229 $1,350 $1,350 $1,350 1 Improved HX $1,182 $1,370 $1,324 $1,226 $1,248 $1,370 $1,370 $1,370 2 Improved HX $1,206 $1,395 $1,349 $1,250 $1,272 $1,395 $1,395 $1,395 3 Improved HX, More Effective Insulation (Combustion Chamber) $1,261 $1,455 $1,408 $1,306 $1,329 $1,455 $1,455 $1,455 4 Power Venting $1,413 $1,584 $1,537 $1,426 $1,451 $1,584 $1,584 $1,584 5 Power Venting, Improved HX $1,517 $1,697 $1,647 $1,531 $1,558 $1,697 $1,697 $1,697 6Sealed Combustion, Improved HX $1,943 $2,157 $2,098 $1,959 $1,993 $2,157 $2,157 $2,157 7Sealed Combustion, Condensing $2,780 $3,060 $2,984 $2,800 $2,849 $3,060 $3,060 $3,060 8Sealed Combustion, Condensing, Improved HX $3,018 $3,317 $3,235 $3,038 $3,092 $3,317 $3,317 $3,317

Installation Cost Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition $255 $4,838 $1,936 $334 $549 $2,117 $3,069 $3,605 1 Improved HX $255 $4,838 $1,936 $334 $549 $2,117 $3,069 $3,605 2 Improved HX $255 $4,838 $1,936 $334 $549 $2,117 $3,069 $3,605 3 Improved HX, More Effective Insulation (Combustion Chamber)$255 $4,838 $1,936 $334 $549 $2,117 $3,069 $3,605 4 Power Venting $310 $4,838 $1,947 $334 $554 $2,127 $3,082 $3,609 5 Power Venting, Improved HX $310 $4,838 $1,947 $334 $554 $2,127 $3,082 $3,609 6Sealed Combustion, Improved HX $376 $5,004 $2,048 $406 $675 $2,198 $3,197 $3,734 7Sealed Combustion, Condensing $376 $5,004 $2,048 $406 $675 $2,198 $3,197 $3,734 8Sealed Combustion, Condensing, Improved HX $376 $5,004 $2,048 $406 $675 $2,198 $3,197 $3,734

Total Installed Price Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition $1,444 $6,187 $3,240 $1,544 $1,786 $3,464 $4,415 $4,955 1 Improved HX $1,463 $6,207 $3,260 $1,562 $1,805 $3,484 $4,435 $4,975 2 Improved HX $1,487 $6,233 $3,285 $1,586 $1,829 $3,510 $4,461 $5,000 3 Improved HX, More Effective Insulation (Combustion Chamber) $1,544 $6,293 $3,344 $1,642 $1,887 $3,570 $4,521 $5,060 4 Power Venting $1,756 $6,422 $3,484 $1,762 $2,010 $3,711 $4,665 $5,193 5 Power Venting, Improved HX $1,862 $6,535 $3,594 $1,867 $2,117 $3,823 $4,777 $5,305 6Sealed Combustion, Improved HX $2,362 $7,161 $4,146 $2,367 $2,681 $4,354 $5,353 $5,891 7Sealed Combustion, Condensing $3,209 $8,065 $5,032 $3,212 $3,542 $5,258 $6,256 $6,794 8Sealed Combustion, Condensing, Improved HX $3,448 $8,321 $5,283 $3,451 $3,786 $5,514 $6,513 $7,051

Total Operating Cost (sum over lifetime discounted) Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition $83 $131,613 $5,099 $655 $1,772 $3,254 $5,777 $14,347 1 Improved HX $82 $129,971 $5,040 $651 $1,757 $3,219 $5,711 $14,175 2 Improved HX $80 $126,808 $4,927 $642 $1,722 $3,151 $5,586 $13,843 3 Improved HX, More Effective Insulation (Combustion Chamber)$79 $125,284 $4,873 $638 $1,706 $3,118 $5,528 $13,680 4 Power Venting $78 $123,883 $4,780 $596 $1,655 $3,059 $5,420 $13,501 5 Power Venting, Improved HX $77 $122,431 $4,728 $591 $1,640 $3,027 $5,359 $13,348 6Sealed Combustion, Improved HX $76 $120,452 $4,813 $706 $1,752 $3,147 $5,478 $13,336 7Sealed Combustion, Condensing $72 $115,218 $4,626 $689 $1,696 $3,034 $5,269 $12,768 8Sealed Combustion, Condensing, Improved HX $69 $109,296 $4,415 $670 $1,635 $2,908 $5,027 $12,134

Annual Gas Use (MMBtu) Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition 1.98 236.27 34.1 2.51 14.36 27.48 41.65 113.64 1 Improved HX 1.95 233.39 33.7 2.47 14.18 27.13 41.12 112.20 2 Improved HX 1.90 227.83 32.9 2.41 13.83 26.46 40.12 109.48 3 Improved HX, More Effective Insulation (Combustion Chamber)1.88 225.16 32.5 2.38 13.66 26.14 39.63 108.19 4 Power Venting 1.86 222.04 31.8 1.86 13.15 25.82 38.86 105.74 5 Power Venting, Improved HX 1.83 219.39 31.4 1.83 12.99 25.52 38.40 104.48 6 Sealed Combustion, Improved HX 1.79 214.29 30.7 1.79 12.69 24.92 37.50 102.05 7 Sealed Combustion, Condensing 1.71 204.77 29.3 1.71 12.13 23.81 35.84 97.52 8 Sealed Combustion, Condensing, Improved HX 1.62 193.99 27.8 1.62 11.49 22.56 33.95 92.38

Annual Electricity Use (kWh) Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition 0 7 2.3 0 2 2 3 4 1 Improved HX 0 7 2.3 0 2 2 3 4 2 Improved HX 0 6 2.3 0 2 2 3 4 3 Improved HX, More Effective Insulation (Combustion Chamber)0 6 2.3 0 2 2 3 4 4 Power Venting 1 80 8.5 3 5 7 10 20 5 Power Venting, Improved HX 1 79 8.4 3 5 7 10 20 6Sealed Combustion, Improved HX 1 78 8.3 3 5 7 10 20 7Sealed Combustion, Condensing 1 74 8.0 3 4 6 9 19 8Sealed Combustion, Condensing, Improved HX 1 71 7.7 2 4 6 9 18

Burner Operating Hours Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition 5 1575 128 12 47 91 156 370 1 Improved HX 5 1555 127 11 46 90 154 365 2 Improved HX 5 1517 123 11 45 88 150 356 3 Improved HX, More Effective Insulation (Combustion Chamber)5 1498 122 11 45 87 148 352 4 Power Venting 5 1480 121 11 44 86 147 347 5 Power Venting, Improved HX 5 1463 119 11 44 85 145 343 6Sealed Combustion, Improved HX 4 1429 116 10 43 83 141 335 7Sealed Combustion, Condensing 4 1365 111 10 41 79 135 320 8Sealed Combustion, Condensing, Improved HX 4 1293 105 9 39 75 128 304

Annual Maintenance Cost Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition $0 $183 $70 $0 $47 $69 $91 $138 1 Improved HX $0 $183 $70 $0 $47 $69 $91 $138 2 Improved HX $0 $183 $70 $0 $47 $69 $91 $138 3 Improved HX, More Effective Insulation (Combustion Chamber)$0 $183 $70 $0 $47 $69 $91 $138 4 Power Venting $0 $183 $70 $0 $47 $69 $91 $138 5 Power Venting, Improved HX $0 $183 $70 $0 $47 $69 $91 $138 6Sealed Combustion, Improved HX $0 $264 $102 $0 $68 $100 $132 $199 7Sealed Combustion, Condensing $0 $264 $102 $0 $68 $100 $132 $199 8Sealed Combustion, Condensing, Improved HX $0 $264 $102 $0 $68 $100 $132 $199

Annual Repair Cost Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition $0 $329 $23 $0 $0 $0 $0 $190 1 Improved HX $0 $329 $23 $0 $0 $0 $0 $190 2 Improved HX $0 $329 $23 $0 $0 $0 $0 $190 3 Improved HX, More Effective Insulation (Combustion Chamber)$0 $329 $23 $0 $0 $0 $0 $190 4 Power Venting $0 $909 $35 $0 $0 $0 $0 $262 5 Power Venting, Improved HX $0 $909 $35 $0 $0 $0 $0 $262 6Sealed Combustion, Improved HX $0 $909 $35 $0 $0 $0 $0 $262 7Sealed Combustion, Condensing $0 $909 $35 $0 $0 $0 $0 $262 8Sealed Combustion, Condensing, Improved HX $0 $909 $35 $0 $0 $0 $0 $262

Repair Year Percentile min max average 5% 25% 50% 75% 95% 0 Baseline - pilot or elect. Ignition 1 21 7 2 4 6 9 13 1 Improved HX 1 21 7 2 4 6 9 13 2 Improved HX 1 21 7 2 4 6 9 13 3 Improved HX, More Effective Insulation (Combustion Chamber)1 21 7 2 4 6 9 13 4 Power Venting 1 21 7 2 4 7 9 13 5 Power Venting, Improved HX 1 21 7 2 4 7 9 13 6Sealed Combustion, Improved HX 1 21 7 2 4 7 9 13 7Sealed Combustion, Condensing 1 21 7 2 4 7 9 13 8Sealed Combustion, Condensing, Improved HX 1 21 7 2 4 7 9 13

Household Characteristics Percentile min max average 5% 25% 50% 75% 95% Pool Heating Load (MMBtu) 2 184 26 2 11 21 32 88 Base Case Efficiency 0.78 0.95 0.82 0.79 0.79 0.82 0.82 0.86 Lifetime 3.1 24.8 10.0 5.1 7.4 9.7 12.1 16.1 DiscountRate 0.0% 54.1% 5.2% 0.0% 2.0% 4.0% 7.6% 13.3% Base Markup 1.6 1.8 1.7 1.6 1.6 1.8 1.8 1.8 Incremental Markup 1.3 1.4 1.4 1.3 1.3 1.4 1.4 1.4 2013 Average Natural Gas Prices (2009$) $11.64 $17.86 $13.43 $11.64 $11.64 $12.46 $14.13 $17.86 2013 Average LPG Prices (2009$) $20.10 $34.26 $29.27 $20.10 $28.47 $28.82 $29.20 $34.26 2013 Average Electricity Prices (2009$) $0.08 $0.17 $0.12 $0.09 $0.10 $0.11 $0.14 $0.16 Component failure - % Pilot Ignition Repair 41.2% Component failure - % Electronic Ignition Repair 8.7% Component failure - % Power Vent Repair 5.9%Simulation Summary for Pool Heaters

Pool Heaters Simulation Results - 10000 samples USER OPTIONS: Average LCC Results Payback Results Installed Lifetime LCC Net No Net No LevelDescription Price Oper. Cost* LCC Savings Cost Impact Benefit Median Average Impact Undefined Energy Price Trend 0 0.78 - Baseline - pilot or elect. Ignition $3,240 $5,099 $8,339 1 0.79 - Improved HX $3,260 $5,040 $8,300 $1 0% 98% 1% 4.0 5.3 98% 0% Start Year 2 0.81 - Improved HX $3,285 $4,927 $8,212 $25 5% 72% 23% 2.7 5.4 72% 0% 3 0.82 - Improved HX, More Effective Insulation (Combustion Chamber) $3,344 $4,873 $8,217 $22 27% 51% 22% 8.6 15.2 51% 1% # of Trials 4 0.83 - Power Venting $3,484 $4,780 $8,264 -$6 60% 23% 17% 18.2 32.3 23% 2% 5 0.84 - Power Venting, Improved HX $3,594 $4,728 $8,322 -$52 64% 21% 15% 19.2 39.0 21% 1% 6 0.86 - Sealed Combustion, Improved HX $4,146 $4,813 $8,959 -$632 88% 9% 3% 38.1 85.8 9% 0% 7 0.90 - Sealed Combustion, Condensing $5,032 $4,626 $9,658 -$1,322 96% 1% 3% 44.5 99.2 1% 0% 8 0.95 - Sealed Combustion, Condensing, Improved HX $5,283 $4,415 $9,698 -$1,361 95% 1% 4% 33.2 74.1 1% 0% All dollar values are in 2009 $ * discounted and summed over lifetime AE O 2010 (E

arly Release) - R

eference Case

2013

10000 RunLCC & Payback Calculations for Pool Heaters

RECS Household # 2540 Annual Cash Flow Calculations Import Parameters LPG PriceElec. PriceDiscount Annual Cash Flow by Efficiency Level Year of Purchase 2013 Age Year ($/MMBtu)($/kWh) Factor 0 1 2 3 Lifetime 10.0 years 0 1.00 $1,544 $1,562 $1,586 $1,642 Discount Rate 7.7% Base Case EF 0.78 1 2013 34.26 0.11 0.93 $747 $737 $719 $710 Baseline Efficiency Level 0 2 2014 35.39 0.11 0.86 $771 $762 $743 $734 3 2015 36.07 0.11 0.80 $786 $776 $757 $748 Burner Annual Heating Energy Install- Total Annual Total First Year Cumul. Life Total 4 2016 36.82 0.11 0.74 $802 $792 $773 $763 Eff. Thermal Operating Retail ation Installed Maint. Repair Oper. Cost Cash Cycle LCC Pay- RepairOperating Net No Net PB PB 5 2017 37.44 0.11 0.69 $816 $806 $786 $776 Level Description Efficiency Hours LPG Elec Price Cost Price Cost Cost* 2013 Flow Cost Saving back Year** Cost Cost Impact Benefitno impactundefined 6 2018 38.12 0.11 0.64 $1,067 $1,056 $1,036 $1,026 (hours) (MMBtu) (kWh) ($) ($) ($) ($) ($) ($) ($) ($) (year) 7 2019 38.42 0.11 0.60 $837 $827 $806 $797

>> 0Baseline - pilot or elect. Ignition 0.78 87.2 21.8 2######### $334 $1,544 $39 $0 $747 $9,918 $7,191 ######### 8 2020 38.69 0.11 0.55 $843 $833 $812 $802 1Improved HX 0.79 86.1 21.5 2######### $334 $1,562 $39 $0 $737 $9,833 $7,141 $51 2.1 ######### 1 9 2021 38.96 0.11 0.51 $849 $838 $818 $808 2Improved HX 0.81 83.9 21.0 2######### $334 $1,586 $39 $0 $719 $9,659 $7,030 $161 1.5 ######### 1 10 2022 39.20 0.11 0.48 $854 $844 $823 $813 3Improved HX, More Effective Insulation (Combustion Chamber) 0.82 82.9 20.7 2######### $334 $1,642 $39 $0 $710 $9,619 $7,022 $170 2.7 ######### 1 11 2023 39.52 0.11 0.44 $861 $851 $830 $819 4Power Venting 0.83 81.9 20.5 6######### $334 $1,762 $39 $0 $702 $9,651 $7,082 $109 4.9 ######### 1 12 2024 39.83 0.12 0.41 $868 $857 $836 $826 5Power Venting, Improved HX 0.84 80.9 20.2 6######### $334 $1,867 $39 $0 $694 $9,665 $7,126 $66 6.1 ######### 1 13 2025 40.14 0.12 0.38 $875 $864 $843 $832 6Sealed Combustion, Improved HX 0.86 79.1 19.8 6######### $434 $2,396 $57 $0 $678 $10,122 $7,603 -$411 12.3 ######### 1 14 2026 40.31 0.12 0.36 $879 $868 $846 $836 7Sealed Combustion, Condensing 0.90 75.5 18.9 6######### $434 $3,237 $57 $0 $648 $10,636 $8,223 ##########17.1 ######### 1 15 2027 40.63 0.12 0.33 $886 $874 $853 $842 8Sealed Combustion, Condensing, Improved HX 0.95 71.6 17.9 6######### $434 $3,476 $57 $0 $614 $10,503 $8,211 ##########14.5 ######### 1 16 2028 40.92 0.12 0.31 $892 $881 $859 $848 * Repair cost used only after warranty period at a certain year and only once 17 2029 41.33 0.12 0.29 $901 $889 $867 $857 18 2030 41.59 0.12 0.26 $906 $895 $873 $862 HOUSEHOLD INFORMATION: 19 2031 42.00 0.12 0.25 $916 $904 $882 $871 RECS Household # 2540 20 2032 42.39 0.12 0.23 $924 $912 $890 $879 21 2033 42.84 0.12 0.21 $934 $922 $899 $888 Input Capacity 250000kBtu/hr 22 2034 43.26 0.12 0.20 $943 $931 $908 $897 Pool Heating Load 17.00 MMBtu 23 2035 43.71 0.12 0.18 $953 $941 $918 $906 24 2036 44.07 0.12 0.17 $961 $948 $925 $914 2013 2007/2008 25 2037 44.43 0.12 0.16 $968 $956 $933 $921 Energy Prices for Household (in 2009$) 2013 PricePrice FactorAvg. Price 26 2038 44.79 0.13 0.15 $976 $964 $940 $929 Gas Price $ / MMBtu 27 2039 45.16 0.13 0.14 $984 $972 $948 $936 LPG Price $34.26 1.02 $33.49$ / MMBtu 28 2040 45.53 0.13 0.13 $992 $980 $956 $944 Elec. Price $0.11 0.98 $0.12$ / kWh 29 2041 45.90 0.13 0.12 $1,001 $988 $963 $952 * All costs in 2009 dollars 30 2042 46.28 0.13 0.11 $1,009 $996 $971 $959 31 2043 46.66 0.13 0.10 $1,017 $1,004 $979 $967 32 2044 47.04 0.13 0.09 $1,025 $1,012 $987 $975 33 2045 47.42 0.13 0.09 $1,034 $1,021 $995 $983 34 2046 47.81 0.13 0.08 $1,042 $1,029 $1,003 $991 35 2047 48.20 0.13 0.08 $1,051 $1,037 $1,012 $999 36 2048 48.59 0.13 0.07 $1,059 $1,046 $1,020 $1,008 37 2049 48.99 0.13 0.07 $1,068 $1,054 $1,028 $1,016 38 2050 49.39 0.14 0.06 $1,077 $1,063 $1,037 $1,024 39 2051 49.80 0.14 0.06 $1,085 $1,072 $1,045 $1,032 40 2052 50.20 0.14 0.05 $1,094 $1,080 $1,054 $1,041 41 2053 50.61 0.14 0.05 $1,103 $1,089 $1,062 $1,049 42 2054 51.03 0.14 0.05 $1,112 $1,098 $1,071 $1,058 43 2055 51.44 0.14 0.04 $1,121 $1,107 $1,080 $1,067 44 2056 51.86 0.14 0.04 $1,130 $1,116 $1,089 $1,075 45 2057 52.29 0.14 0.04 $1,140 $1,125 $1,097 $1,084 46 2058 52.72 0.14 0.03 $1,149 $1,134 $1,106 $1,093 47 2059 53.15 0.14 0.03 $1,158 $1,144 $1,115 $1,102 48 2060 53.58 0.14 0.03 $1,168 $1,153 $1,125 $1,111 49 2061 54.02 0.14 0.03 $1,177 $1,163 $1,134 $1,120 50 2062 54.46 0.15 0.02 $1,187 $1,172 $1,143 $1,129 51 2063 54.90 0.15 0.02 $1,197 $1,182 $1,152 $1,138 52 2064 55.35 0.15 0.02 $1,207 $1,191 $1,162 $1,148 53 2065 55.81 0.15 0.02 $1,216 $1,201 $1,171 $1,157 54 2066 56.26 0.15 0.02 $1,226 $1,211 $1,181 $1,167 55 2067 56.72 0.15 0.02 $1,236 $1,221 $1,191 $1,176 56 2068 57.19 0.15 0.02 $1,246 $1,231 $1,200 $1,186 57 2069 57.65 0.15 0.01 $1,257 $1,241 $1,210 $1,195 58 2070 58.12 0.15 0.01 $1,267 $1,251 $1,220 $1,205 59 2071 58.60 0.15 0.01 $1,277 $1,261 $1,230 $1,215 60 2072 59.08 0.16 0.01 $1,288 $1,271 $1,240 $1,225 61 2073 59.56 0.16 0.01 $1,298 $1,282 $1,250 $1,235 62 2074 60.05 0.16 0.01 $1,309 $1,292 $1,260 $1,245 63 2075 60.54 0.16 0.01 $1,320 $1,303 $1,271 $1,255 64 2076 61.03 0.16 0.01 $1,330 $1,313 $1,281 $1,265 65 2077 61.53 0.16 0.01 $1,341 $1,324 $1,292 $1,276 66 2078 62.04 0.16 0.01 $1,352 $1,335 $1,302 $1,286 67 2079 62.54 0.16 0.01 $1,363 $1,346 $1,313 $1,297 68 2080 63.05 0.16 0.01 $1,374 $1,357 $1,323 $1,307 69 2081 63.57 0.16 0.01 $1,386 $1,368 $1,334 $1,318Annual Cash Flow by Efficiency Level

4 5 6 7 8 $1,762 $1,867 $2,396 $3,237 $3,476 $702 $694 $678 $648 $614 $725 $717 $700 $669 $634 $739 $731 $714 $682 $646 $755 $746 $728 $696 $659 $767 $758 $741 $708 $671 $1,017 $1,008 $1,095 $1,061 $1,023 $787 $778 $760 $726 $688 $793 $784 $765 $731 $693 $799 $789 $771 $736 $698 $803 $794 $775 $741 $702 $810 $800 $782 $747 $708 $816 $807 $788 $753 $713 $823 $813 $794 $759 $719 $826 $816 $797 $762 $722 $833 $823 $804 $768 $728 $839 $829 $809 $773 $733 $847 $837 $818 $781 $740 $852 $842 $823 $786 $745 $861 $851 $831 $794 $752 $869 $858 $839 $801 $759 $878 $868 $847 $810 $767 $887 $876 $856 $818 $775 $896 $885 $865 $826 $783 $903 $893 $872 $833 $789 $911 $900 $879 $840 $796 $918 $907 $886 $847 $802 $926 $915 $893 $854 $809 $933 $922 $901 $861 $815 $941 $930 $908 $868 $822 $948 $937 $915 $875 $829 $956 $945 $923 $882 $835 $964 $953 $930 $889 $842 $972 $960 $938 $896 $849 $980 $968 $946 $904 $856 $988 $976 $953 $911 $863 $996 $984 $961 $918 $870 $1,004 $992 $969 $926 $877 $1,012 $1,000 $977 $934 $884 $1,021 $1,008 $985 $941 $892 $1,029 $1,017 $993 $949 $899 $1,037 $1,025 $1,001 $957 $906 $1,046 $1,033 $1,009 $964 $914 $1,054 $1,042 $1,018 $972 $921 $1,063 $1,050 $1,026 $980 $929 $1,072 $1,059 $1,034 $988 $936 $1,080 $1,068 $1,043 $996 $944 $1,089 $1,076 $1,051 $1,005 $952 $1,098 $1,085 $1,060 $1,013 $959 $1,107 $1,094 $1,068 $1,021 $967 $1,116 $1,103 $1,077 $1,029 $975 $1,125 $1,112 $1,086 $1,038 $983 $1,134 $1,121 $1,095 $1,046 $991 $1,144 $1,130 $1,104 $1,055 $999 $1,153 $1,139 $1,113 $1,063 $1,007 $1,162 $1,149 $1,122 $1,072 $1,016 $1,172 $1,158 $1,131 $1,081 $1,024 $1,182 $1,168 $1,140 $1,090 $1,032 $1,191 $1,177 $1,150 $1,099 $1,041 $1,201 $1,187 $1,159 $1,108 $1,049 $1,211 $1,196 $1,169 $1,117 $1,058 $1,221 $1,206 $1,178 $1,126 $1,067 $1,231 $1,216 $1,188 $1,135 $1,075 $1,241 $1,226 $1,197 $1,144 $1,084 $1,251 $1,236 $1,207 $1,154 $1,093 $1,261 $1,246 $1,217 $1,163 $1,102 $1,271 $1,256 $1,227 $1,173 $1,111 $1,282 $1,267 $1,237 $1,182 $1,120 $1,292 $1,277 $1,247 $1,192 $1,129 $1,303 $1,287 $1,257 $1,201 $1,138

# Rebuttable Payback Period Calculation for Pool Heaters

Rebuttable PBP is determined based on DOE's Pool Heater Test Procedure conditions (10 CFR, 430 subpart B, Appendix P)

Efficiency Level Thermal

Efficiency Potential Design Option Manufacturer Production Cost (MPC)* 2009$ Gas-fired Pool Heaters with Standing Pilots - Representative Input Capacity of 250,000 Btu/h 0 78%Standing Pilot Baseline $568 1 79%Improved HX $579 2 81%Improved HX $593 3 82%Improved HX, More Effective Insulation (Combustion Chamber) $626 4 83%Power Venting $716 5 84%Power Venting, Improved HX $778 6 86%Sealed Combustion, Improved HX $1,031 7 90%Sealed Combustion, Condensing $1,528 8 95%Sealed Combustion, Condensing, Improved HX $1,669 Gas-fired Pool Heaters with Electronic Ignition - Representative Input Capacity of 250,000 Btu/h 0 78%Electronic Ignition (Baseline) $587 1 79%Improved HX $598 2 81%Improved HX $612 3 82%Improved HX, More Effective Insulation (Combustion Chamber) $645 4 83%Power Venting $716 5 84%Power Venting, Improved HX $778 6 86%Sealed Combustion, Improved HX $1,031 7 90%Sealed Combustion, Condensing $1,528 8 95%Sealed Combustion, Condensing, Improved HX $1,669 Gas-fired Pool Heaters Combined (Shipment Weighted) - Representative Input Capacity of 250,000 Btu/h 0 78%Electronic Ignition (Baseline) $585 1 79%Improved HX $596 2 81%Improved HX $610 3 82%Improved HX, More Effective Insulation (Combustion Chamber) $643 4 83%Power Venting $716 5 84%Power Venting, Improved HX $778 6 86%Sealed Combustion, Improved HX $1,031 7 90%Sealed Combustion, Condensing $1,528 8 95%Sealed Combustion, Condensing, Improved HX $1,669

`* The manufacturing production cost (MPC) includes the direct labor, direct material, and direct overhead. ** The manufacturing selling price (MSP) includes manufacturer profit and non-production costs, such as selling, general and administrative expenses, research and development, and interest. Manufacturer Costs (per unit) from Engineering Analysis

# Total Manufacturer

Selling Price (MSP)**Incremental MSP Retail Installation Maintenance BOH Fuel Electric Total Installed 2009$ 2009$ 2009$ 2009$ 2009$ hr MBtu/yrkWh/year2009$

$738 $1,265.14 $1,811.36 $70.45 104 30.32 0.00 $3,077 $753 $14 $1,284.75 $1,811.36 $70.45 103 29.99 0.00 $3,096 $771 $33 $1,309.70 $1,811.36 $70.45 100 29.36 0.00 $3,121 $814 $75 $1,368.51 $1,811.36 $70.45 99 29.06 0.00 $3,180 $931 $192 $1,528.92 $1,946.79 $73.99 98 24.46 5.14 $3,476 $1,011 $273 $1,639.42 $1,946.79 $73.99 97 24.17 5.08 $3,586 $1,340 $602 $2,090.34 $2,047.81 $105.30 94 23.60 4.96 $4,138 $1,986 $1,248 $2,976.14 $2,047.81 $105.30 90 22.56 4.74 $5,024 $2,170 $1,431 $3,227.44 $2,047.81 $105.30 85 21.37 4.49 $5,275

$763 $1,307.46 $1,946.79 $72.70 104 26.03 0.26 $3,254 $777 $14 $1,327.07 $1,946.79 $72.70 103 25.70 0.26 $3,274 $796 $33 $1,352.02 $1,946.79 $72.70 100 25.06 0.25 $3,299 $839 $75 $1,410.83 $1,946.79 $72.70 99 24.76 0.25 $3,358 $931 $168 $1,537.38 $1,946.79 $73.99 98 24.46 5.14 $3,484 $1,011 $248 $1,647.88 $1,946.79 $73.99 97 24.17 5.08 $3,595 $1,340 $577 $2,098.80 $2,047.81 $105.30 94 23.60 4.96 $4,147 $1,986 $1,223 $2,984.60 $2,047.81 $105.30 90 22.56 4.74 $5,032 $2,170 $1,407 $3,235.90 $2,047.81 $105.30 85 21.37 4.49 $5,284

$761 $1,304.08 $1,935.96 $72.70 104 26.37 0.24 $3,240 $775 $12 $1,320.97 $1,935.96 $72.70 103 26.04 0.24 $3,257 $794 $31 $1,345.92 $1,935.96 $72.70 100 25.41 0.23 $3,282 $837 $73 $1,404.74 $1,935.96 $72.70 99 25.10 0.23 $3,341 $931 $168 $1,533.99 $1,946.79 $73.99 98 24.46 5.14 $3,481 $1,011 $248 $1,644.49 $1,946.79 $73.99 97 24.17 5.08 $3,591 $1,340 $577 $2,095.41 $2,047.81 $105.30 94 23.60 4.96 $4,143 $1,986 $1,223 $2,981.21 $2,047.81 $105.30 90 22.56 4.74 $5,029 $2,170 $1,407 $3,232.51 $2,047.81 $105.30 85 21.37 4.49 $5,280

** The manufacturing selling price (MSP) includes manufacturer profit and non-production costs, such as selling, general and administrative expenses, research and development, and interest. Cost Data Energy Use Data Summary Economics Total Costs Manufacturer Costs (per unit) from Engineering Analysis Consumer Costs from the LCC Analysis

# Energy Use Calculation for Pool Heaters (10 CFR, Appendix P)

Total OperatingSimple

Payback Product Class QIN 

# QP 

# 2009$/yr years BTU/h BTU/hr Gas Pool Heaters (250,000 Btu/h) - Pilot Ignition $567.34 00.78 Thermal Efficiency - Standing Pilot Baseline 250,000 1,000 $561.95 3.63 10.79 Thermal Efficiency - Improved HX 250,000 1,000 $551.59 2.83 20.81 Thermal Efficiency - Improved HX 250,000 1,000 $546.60 4.98 30.82 Thermal Efficiency - Improved HX, More Effective Insulation (Combustion Chamber) 250,000 1,000 $475.39 4.34 40.83 Thermal Efficiency - Power Venting 250,000 0 $470.61 5.27 50.84 Thermal Efficiency - Power Venting, Improved HX 250,000 0 $492.70 14.22 60.86 Thermal Efficiency - Sealed Combustion, Improved HX 250,000 0 $475.48 21.20 70.9 Thermal Efficiency - Sealed Combustion, Condensing 250,000 0 $456.00 19.75 80.95 Thermal Efficiency - Sealed Combustion, Condensing, Improved HX 250,000 0 Gas Pool Heaters (250,000 Btu/h) - Electronic Ignition $499.23 00.78 Thermal Efficiency - Electronic Ignition (Baseline) 250,000 0 $493.83 3.63 10.79 Thermal Efficiency - Improved HX 250,000 0 $483.43 2.82 20.81 Thermal Efficiency - Improved HX 250,000 0 $478.42 4.97 30.82 Thermal Efficiency - Improved HX, More Effective Insulation (Combustion Chamber) 250,000 0 $475.39 9.64 40.83 Thermal Efficiency - Power Venting 250,000 0 $470.61 11.90 50.84 Thermal Efficiency - Power Venting, Improved HX 250,000 0 $492.70 136.62 60.86 Thermal Efficiency - Sealed Combustion, Improved HX 250,000 0 $475.48 74.87 70.9 Thermal Efficiency - Sealed Combustion, Condensing 250,000 0 $456.00 46.94 80.95 Thermal Efficiency - Sealed Combustion, Condensing, Improved HX 250,000 0

$504.86 Equations for calculating the Energy Consumption of Pool Heaters $499.46 3.13 $489.06 2.65 EF

# (BOH* Q_IN + ( POH -BOH) * Q_P ) / 1000000 Average annual fossil fuel energy for pool heaters. $484.06 4.84 EAE

# BOH* PE Average annual auxilary electrical energy consumption for pool heaters. $475.39 8.17 BOHLOAD/ (Q_IN * E_T) average number of burner operating hours = 104 h in test procedure $470.61 10.26 $492.70 74.27 $475.48 60.89 Variable Definitions $456.00 41.76 QIN

# Rated fuel energy input POHAverage number of pool operating hours = 4464 h QP

# Energy consumption of continously operating pilot light if employed PEElectricity Consumption of the heater including the electrical energy to the recirculating pump ET

# Thermal efficiency LOADPool Heater Load Value derived from 1993 Pool Heater Rulemaking Summary

Economics Total Costs

# Average Gas Pool Heating Load = 203Therms

ET 

# PE EOUT

# * EIN

# * EFFYHS

# * POH BOH** EF 

# EAE 

# % kW MMBtu/yearMMBtu/year % hr/yr hr/yr MMBtu/year kWh

78 0.000 20.30 30.3 66.9 4400.0 104.1 30.3 0.0 79 0.000 20.30 30.0 67.7 4400.0 102.8 30.0 0.0 81 0.000 20.30 29.4 69.1 4400.0 100.2 29.4 0.0 82 0.000 20.30 29.1 69.9 4400.0 99.0 29.1 0.0 83 0.053 20.31 24.5 83.0 4400.0 97.8 24.5 5.1 84 0.053 20.31 24.2 84.0 4400.0 96.7 24.2 5.1 86 0.053 20.31 23.6 86.0 4400.0 94.4 23.6 5.0 90 0.053 20.31 22.6 90.0 4400.0 90.2 22.6 4.7 95 0.053 20.31 21.4 95.0 4400.0 85.5 21.4 4.5

78 0.003 20.30 26.0 78.0 4400.0 104.1 26.0 0.3 79 0.003 20.30 25.7 79.0 4400.0 102.8 25.7 0.3 81 0.003 20.30 25.1 81.0 4400.0 100.2 25.1 0.3 82 0.003 20.30 24.8 82.0 4400.0 99.0 24.8 0.2 83 0.053 20.31 24.5 83.0 4400.0 97.8 24.5 5.1 84 0.053 20.31 24.2 84.0 4400.0 96.7 24.2 5.1 86 0.053 20.31 23.6 86.0 4400.0 94.4 23.6 5.0 90 0.053 20.31 22.6 90.0 4400.0 90.2 22.6 4.7 95 0.053 20.31 21.4 95.0 4400.0 85.5 21.4 4.5

Average annual fossil fuel energy for pool heaters. Average annual auxilary electrical energy consumption for pool heaters. average number of burner operating hours = 104 h in test procedure

Value derived from 1993 Pool Heater Rulemaking Heating Seasonal Efficiency

## Equipment Price & Markups

Import Parameters RECS Household #2540 from: RECS HH Data Pool Heater has Pilot? 0 Pool Heaters Equipment Price All costs in 2009 $ Pool Heaters Markups (0=no , 1=yes) Manufacturer 1.30 replacement (1) or new (2) ? 1 Mnfr. Incr. Mnfr.Retail Price BaselineIncremental Div & Lrg State 13 LevelDescription Efficiency Cost Cost incl. Tax Wholesaler 1.35 1.11 0 Baseline - pilot or elect. Ignition 78% $587.00 $763.10 $1,209.13 Contractor (repl.) 1.10 1.10 Export Parameters 1 Improved HX 79% $598.00 $777.40 $14.30 $1,227.76 Builder 1.31 1.26 to: LCC&Payback Calcs 2 Improved HX 81% $612.00 $795.60 $32.50 $1,251.47 Sales Tax 1.067 1.067 Level Retail Price 3 Improved HX, More Effective Insulation (Combustion Chamber) 82% $645.00 $838.50 $75.40 $1,307.36 Repl. Unit 1.58 1.30 0 $1,209 4 Power Venting 83% $716.00 $930.80 $167.70 $1,427.61 New Units 1.77 1.40 1 $1,228 5 Power Venting, Improved HX 84% $778.00 $1,011.40 $248.30 $1,532.62 2 $1,251 6 Sealed Combustion, Improved HX 86% $1,031.00 $1,340.30 $577.20 $1,961.11 3 $1,307 7 Sealed Combustion, Condensing 90% $1,528.00 $1,986.40$1,223.30 $2,802.85 Baseline Markup 1.58 4 $1,428 8 Sealed Combustion, Condensing, Improved HX 95% $1,669.00 $2,169.70$1,406.60 $3,041.66 Incremental Markup 1.30 5 $1,533 6 $1,961 Average Markups for Rebuttable Payback Analysis 7 $2,803 Manufacturer's Cost Total Average Baseline Markup1.65 8 $3,042 Pilot Elec. Ign. Pilot Elec. Ign. Total Average Incremental Markup1.34 0 Baseline - pilot or elect. Ignition $568.00 $587.00 1 Improved HX $579.00 $598.00 $11.00 $11.00 2010 Sales Tax Rates 2 Improved HX $593.00 $612.00 $25.00 $25.00 By Division and Large States Tax RateRECS Fraction 3 Improved HX, More Effective Insulation (Combustion Chamber) $626.00 $645.00 $58.00 $58.00 1 New England 6.1% 4.4% 4 Power Venting $716.00 $129.00 2 Mid Atlantic 6.6% 8.1% 5 Power Venting, Improved HX $778.00 $191.00 3 East North Central 6.9% 12.1% 6 Sealed Combustion, Improved HX $1,031.00 $444.00 4 West North Central 6.9% 2.4% 7 Sealed Combustion, Condensing $1,528.00 $941.00 5 South Atlantic 6.6% 10.9% 8 Sealed Combustion, Condensing, Improved HX $1,669.00 $1,082.00 6 East South Central 7.9% 2.7% 7 West South Central 8.4% 1.1% 8 Mountain 6.8% 9.3% 9 Pacific 7.5% 3.2% 10 New York State 8.5% 4.5% 11 California 9.2% 21.6% 12 Texas 8.1% 7.7% 13 Florida 6.7% 12.1%

U.S. A verage(weighted based on RECS households)7.5% Incremental Cost

# Energy Use

Import Parameters Energy Use of Pool Heaters with Electronic Ignition from: RECS HH Data Pool Heating Energy for Household 21.79 MMBtu LevelDescription Thermal QP 

# PEPEstandby

# BOH EF 

# EAE 

# Pool Heater has Pilot? 0 Efficiency Btu/h kW kW hr/yrMMBtu/yrkWh (0=no , 1=yes) 0 Baseline - pilot or elect. Ignition 78% 0 0.00250.000587.2 21.8 2.4 RECS Year 2005 1 Improved HX 79% 0 0.00250.000586.1 21.5 2.4 2 Improved HX 81% 0 0.00250.000583.9 21.0 2.4 Export Parameters 3 Improved HX, More Effective Insulation (Combustion Chamber) 82% 0 0.00250.000582.9 20.7 2.4 to: Summary 4 Power Venting 83% 0 0.05250.000581.9 20.5 6.5 Level BOH Gas Use Elec. Use 5 Power Venting, Improved HX 84% 0 0.05250.000580.9 20.2 6.4

hr MMBtu kWh 6 Sealed Combustion, Improved HX 86% 0 0.05250.000579.1 19.8 6.3 0 87 21.8 2.4 7 Sealed Combustion, Condensing 90% 0 0.05250.000575.5 18.9 6.1 1 86 21.5 2.4 8 Sealed Combustion, Condensing, Improved HX95% 0 0.05250.000571.6 17.9 5.9 2 84 21.0 2.4 3 83 20.7 2.4 4 82 20.5 6.5 Pool Heating Load = 17.00 MMBtu 5 81 20.2 6.4 6 79 19.8 6.3 Pilot energy use 1,000 Btu/hr 7 76 18.9 6.1 Input Capacity (Qin) 250,000Btu/hr 8 72 17.9 5.9 Thermal Efficiency (existing) 78%

Pool Operating Hours Distribution (POH) 4400 RECS YearThermal Efficiency (Existing) average 4464 2001 78% min 235 2005 78% max 8760 mode 4400RECS HH Data

Export Parameters RECS 2001-2005 Household Data - Pool Heaters to: Summary RECS ID # 2540 Heating Fuel Type 2 Original Division 1=gas; 2=LPG LBNL IDAdj Weight WeightRECS YearDOEID RegionDivisionLrg State+LrgState CD65 HD65 TYPEHUQYearMade to: Energy Price 174293629580984357281 Division+LrgState index 13 1 7118 12081 12081 2005 43 1 1 0 1 900 5788 2 4 Division 5 2 14295 24262 24262 2005 52 4 9 2 11 1370 912 2 7 to: Markups and Installation Cost 3 21288 36130 36130 2005 58 2 3 0 3 900 5571 2 8 replacement or new? 1 replacement 4 3442 5842 24262 2005 286 4 9 2 11 3875 682 2 10 1 33% 1 = new 5 14903 25293 25293 2005 378 4 8 0 8 2379 3145 2 8 2 67% 2 = replacement 6 5214 8849 36753 2005 428 3 5 4 13 3623 546 2 5 7 21655 36753 36753 2005 502 3 5 4 13 3433 580 2 9 to: Energy Use 8 15130 25678 25678 2005 573 3 7 3 12 3398 1197 2 7 Household Adjusted Fuel Use (Ein) 21.79 MMBtu/ yr 9 25315 42964 42964 2005 685 3 5 4 13 4397 108 2 4 Pool Heater has Pilot? 0 (1=yes, 0=no) 10 16647 28253 28253 2005 725 3 7 3 12 2945 2088 2 8 RECS Year 2005 11 12576 21345 21345 2005 780 4 9 2 11 763 923 2 3 12 16533 28060 28060 2005 824 2 3 0 3 993 6837 2 13 Sampled House ID 50 13 13432 22797 22797 2005 856 4 8 0 8 3485 1152 2 4 14 4820 8181 33978 2005 863 4 9 2 11 378 4719 2 1 Pool Heater Load Calculation 15 4441 7537 31306 2005 873 4 9 2 11 588 2376 2 5 Adjustment Type 4 PoolHeaterOnly 16 14903 25293 25293 2005 1057 4 8 0 8 2360 3281 2 8 Energy Use Adjustment (kBtu/yr) 0 17 3533 5996 24902 2005 1063 4 9 0 9 418 3959 2 4 RECS Other Gas Use 21790 18 3691 6264 26016 2005 1066 3 7 3 12 2850 1592 2 10 Pool/Spa Energy Use 21790 19 3226 5476 22742 2005 1099 4 8 0 8 4436 927 2 10 Minimum 1976 20 18700 31737 31737 2005 1100 4 9 2 11 1550 621 2 5 HeaterType 2 21 12576 21345 21345 2005 1131 4 9 2 11 1348 2646 2 9 22 3442 5842 24262 2005 1132 4 9 2 11 397 4675 2 6 Pilot Ignition 23 21655 36753 36753 2005 1155 3 5 4 13 3792 248 2 12 Pool Heater Installation in Div&LrgSt 1-10 59% 24 15293 25955 25955 2005 1160 4 9 2 11 1379 1728 2 8 Total PH with pilot 8% 25 16389 27816 27816 2005 1162 4 9 0 9 325 4596 2 7 Pool Heaters with pilot in Div&LrgState 1 to 10 0 26 16530 28055 28055 2005 1320 2 3 0 3 618 7807 2 1 Fraction in Div&LrgSt 1-10 w/ pilot 1 13.6% 27 15293 25955 25955 2005 1356 4 9 2 11 831 1024 2 4 Fraction in Div&LrgSt 1-10 without pilot 0 86.4% 28 13432 22797 22797 2005 1361 4 8 0 8 964 4500 2 5 29 18766 31850 31850 2005 1469 4 8 0 8 4268 695 2 9 Spa Weight Adjustment 30 12483 21186 21186 2005 1536 4 9 2 11 307 2428 2 5 Spa Heater Only Fraction 0.15 31 5214 8849 36753 2005 1584 3 5 4 13 3651 541 2 7 Spa Heater Weight 0.24 32 20378 34586 34586 2005 1622 3 5 4 13 2554 1207 2 9 Calculation 0.24 33 15130 25678 25678 2005 1623 3 7 3 12 3426 1044 2 7 34 4161 7062 29329 2005 1685 1 2 0 2 1314 5401 2 8 RECS RECS 35 8596 14588 14588 2005 1784 1 1 0 1 365 8624 2 5 2005 2001 Avg. 36 5274 8951 37178 2005 1846 1 2 1 10 1125 5503 2 1 LPG Fraction 19% 18% 19% 37 22314 37871 37871 2005 1847 4 9 2 11 1403 2626 2 6 38 15293 25955 25955 2005 1900 4 9 2 11 1312 1325 2 3 Energy Use Adjustment (kBtu/yr) RECS 2005 RECS 2001 39 15447 26217 26217 2005 1988 4 9 0 9 327 4592 2 6 Cooking+Dryer 13521 10743 40 17233 29248 29248 2005 2070 3 5 0 5 1769 3138 2 8 CookingOnly 6805 6847 41 5718 9705 40308 2005 2100 1 2 0 2 1288 5086 2 4 DryerOnly 7326 4296 42 3226 5476 22742 2005 2174 4 8 0 8 4268 985 2 7 Pool or Spa Only 0 0 43 2784 4724 19621 2005 2297 3 6 0 6 1237 4137 2 9 44 15293 25955 25955 2005 2308 4 9 2 11 1227 1343 2 6 RECS Data for Total Energy Use of Other Gas Appliances Avg Energy Standard 2X 45 2078 3526 14646 2005 2314 1 1 0 1 892 6333 2 10 Sample Count Number of HHs Use Max Min Deviation Average 46 18559 31498 31498 2005 2359 2 3 0 3 1355 4803 2 13 RECS 2005 47 22054 37430 37430 2005 2405 1 2 1 10 795 6632 2 1 Cooking+Dryer 471 12598149 13521 70153 783 7470 26260 48 3865 6559 27242 2005 2451 4 8 0 8 864 5419 2 11 CookingOnly 707 17725947 6805 85510 225 6669 13384 49 3028 5139 21345 2005 2532 4 9 2 11 1121 2401 2 5 DryerOnly 167 4406423 7326 55465 1412 5320 13241 50 21655 36753 36753 2005 2540 3 5 4 13 3607 549 2 10 RECS 2001 51 15293 25955 25955 2005 2544 4 9 2 11 766 1051 2 2 Cooking+Dryer 456 10717891 10743 38537 2016 4675 19470 52 3236 5491 22807 2005 2547 4 9 0 9 200 4307 2 8 CookingOnly 799 17020036 6847 34780 692 4075 13003 53 15293 25955 25955 2005 2655 4 9 2 11 1552 1273 2 5 DryerOnly 193 4577950 4296 15176 0 2084 8592 54 3987 6767 28107 2005 2696 1 2 0 2 1558 4968 2 1 55 12037 20429 20429 2005 2779 3 6 0 6 2180 3057 2 13 Pool + SpaPool OnlySpa Only 56 21655 36753 36753 2005 2957 3 5 4 13 3372 591 2 7 Distribution by Division and Lrg State Div+lrg St Div 1 2 3 57 13432 22797 22797 2005 2959 4 8 0 8 1564 3677 2 7 1 4% 4% 0% 6% 3% 58 3690 6262 26008 2005 2995 4 9 2 11 0 2618 2 1 2 8% 13% 0% 10% 10% 59 4502 7641 31737 2005 3023 4 9 2 11 525 1244 2 10 3 12% 12% 5% 16% 3% 60 4540 7704 31999 2005 3027 1 2 0 2 1017 5633 2 3 4 2% 2% 0% 3% 3% 61 749 1271 5279 2005 3068 2 4 0 4 1922 4550 2 1 5 11% 23% 5% 14% 5% 62 3220 5465 22697 2005 3125 4 9 2 11 918 1056 2 5 6 3% 3% 0% 3% 3% 63 5028 8533 35440 2005 3258 3 5 0 5 1726 3151 2 7 7 1% 9% 0% 0% 7% 64 4273 7252 30119 2005 3270 4 9 0 9 124 7030 2 6 8 9% 9% 12% 9% 9% 65 25991 44112 44112 2005 3305 2 3 0 3 1652 4558 2 9 9 3% 25% 0% 4% 5% 66 20370 34572 34572 2005 3339 3 5 4 13 3486 521 2 12 10 4% 0% 6% 3% 67 18854 31999 31999 2005 3402 1 2 0 2 1067 5449 2 2 11 22% 51% 11% 30% 68 3682 6249 25955 2005 3427 4 9 2 11 737 1062 2 11 12 8% 21% 3% 12% 69 3236 5491 22807 2005 3514 4 9 0 9 111 4702 2 8 13 12% 6% 15% 7% 70 14383 24411 24411 2005 3596 1 2 1 10 1095 5377 2 7 Weight (Number of Households) 1742936 323675 1157820 261440 71 4893 8304 34488 2005 3627 3 7 0 7 2116 3369 2 12 19% 66% 15% 72 13373 22697 22697 2005 3632 4 9 2 11 1029 1022 2 5 73 18559 31498 31498 2005 3689 2 3 0 3 1537 4659 2 8 74 3007 5103 21193 2005 3713 4 8 0 8 4398 761 1 10 75 16811 28531 28531 2005 3718 3 7 3 12 3158 2189 2 8 76 11766 19969 19969 2005 3784 4 9 2 11 476 2255 2 4 77 4580 7773 32284 2005 3880 3 7 3 12 3966 842 2 8 78 3220 5465 22697 2005 3975 4 9 2 11 1043 1018 2 5 79 18029 30599 30599 2005 3989 3 7 3 12 3344 1810 2 10 80 21025 35683 35683 2005 3990 3 5 0 5 1345 4523 2 7 81 15821 26851 26851 2005 4095 2 4 0 4 1269 5957 2 9 82 8568 14541 14541 2005 4113 1 1 0 1 932 5994 2 3 83 16938 28747 28747 2005 4120 1 2 0 2 1116 5309 2 4 84 16561 28107 28107 2005 4189 1 2 0 2 1242 5362 2 3 85 4008 6802 28253 2005 4197 3 7 3 12 2973 2077 2 986 18302 31063 31063 2005 4198 2 4 0 4 1565 4753 2 4 87 2271 3854 16008 2005 4203 1 1 0 1 910 6200 2 1 88 2849 4835 20080 2005 4279 3 6 0 6 2362 2869 2 5 89 14903 25293 25293 2005 4337 4 8 0 8 3166 1675 2 4 90 19337 32819 32819 2001 1004 1 1 0 1 671 5978 2 1 91 8605 14604 14604 2001 1064 1 2 0 2 704 5263 2 2 92 2618 4444 18456 2001 1121 4 9 2 11 646 1730 2 5 93 11566 19630 19630 2001 1439 1 2 0 2 1045 4781 2 1 94 4231 7180 29821 2001 1598 4 9 2 11 446 1539 2 3 95 6545 11108 11108 2001 1826 1 1 0 1 777 5312 2 3 96 14586 24755 24755 2001 1892 3 5 0 5 1133 4591 2 9 97 7118 12080 12080 2001 2119 1 1 0 1 903 5053 2 5 98 9942 16874 16874 2001 2258 3 6 0 6 1626 3836 2 9 99 8783 14906 14906 2001 2322 3 6 0 6 1626 3836 2 7 100 10389 17632 17632 2001 2376 4 9 2 11 1050 1290 2 3 101 4375 7426 30842 2001 2412 3 5 0 5 1669 2474 2 7 102 12458 21144 21144 2001 2440 4 8 0 8 2255 2686 3 4 103 4289 7279 30233 2001 2461 3 5 4 13 3675 421 2 5 104 11065 18780 18780 2001 2557 2 3 0 3 974 4752 2 9 105 7954 13499 13499 2001 2694 3 6 0 6 1626 3836 2 7 106 2126 3608 14986 2001 2797 1 2 0 2 722 5651 2 10 107 8605 14604 14604 2001 2843 1 2 0 2 704 5263 2 2 108 4827 8193 34028 2001 2866 3 5 4 13 3308 522 2 3 109 3285 5575 23153 2001 2888 4 9 2 11 1856 1912 2 5 110 3363 5708 23708 2001 2938 4 8 0 8 3509 1692 2 5 111 5951 10100 10100 2001 2958 1 1 0 1 416 8072 2 3 112 2409 4088 16979 2001 2993 4 9 2 11 1856 1912 2 2 113 2483 4213 17500 2001 3018 3 7 0 7 2115 2915 2 8 114 2899 4920 20434 2001 3130 1 2 1 10 1216 4298 2 1 115 38779 65816 65816 2001 3189 3 5 4 13 3308 522 2 10 116 2664 4522 18780 2001 3233 2 3 0 3 802 5777 2 1 117 12832 21779 21779 2001 3264 3 5 0 5 1648 2592 2 5 118 11065 18780 18780 2001 3289 2 3 0 3 620 6215 3 5 119 2419 4105 17051 2001 3326 3 6 0 6 1315 3649 2 9 120 10273 17436 17436 2001 3456 4 8 0 8 5161 1093 2 7 121 11857 20123 20123 2001 3511 2 3 0 3 802 5777 2 1 122 17595 29862 29862 2001 3525 3 5 0 5 1139 4068 2 7 123 7192 12206 12206 2001 3657 1 2 1 10 1251 4242 2 1 124 6450 10948 45469 2001 3721 3 7 3 12 3086 1189 2 9 125 1682 2854 11854 2001 3745 4 8 0 8 346 7418 2 1 126 2489 4225 17547 2001 3921 4 9 2 11 828 2443 2 5 127 6339 10759 10759 2001 3955 1 1 0 1 590 6433 2 7 128 10004 16979 16979 2001 4110 4 9 2 11 1820 2094 2 11 129 52593 89260 89260 2001 4184 3 5 0 5 1072 4394 2 9 130 4818 8176 33959 2001 4190 4 9 2 11 2041 1849 2 9 131 4190 7111 29534 2001 4258 3 7 3 12 2642 2294 3 7 132 3122 5299 22010 2001 4304 4 9 2 11 544 1413 2 3 133 6090 10336 42927 2001 4317 2 3 0 3 1083 4889 2 7 134 4806 8158 33881 2001 4346 3 7 3 12 3086 1189 2 9 135 25293 42927 42927 2001 4363 2 3 0 3 1083 4889 2 7 136 11201 19010 78956 2001 4371 3 7 0 7 2078 3287 2 10 137 25293 42927 42927 2001 4415 2 3 0 3 1083 4889 2 8 138 4804 8153 33861 2001 4439 4 9 2 11 579 1971 2 5 139 4056 6883 28588 2001 4461 2 4 0 4 922 7153 2 1 140 9638 16358 16358 2001 4480 1 2 0 2 1404 4168 2 3 141 3491 5925 24607 2001 4523 4 9 2 11 544 1413 2 9 142 10232 17365 17365 2001 4524 4 9 2 11 106 6083 2 3 143 20444 34697 34697 2001 4547 3 5 0 5 1330 2997 2 9 144 4327 7343 30500 2001 4566 4 8 0 8 5161 1093 2 3 145 21837 37062 37062 2001 4618 3 7 3 12 2642 2294 2 5 146 3143 5335 22157 2001 4654 3 5 0 5 1497 3118 2 1 147 3515 5965 24775 2001 4671 1 2 0 2 1271 4398 2 3 148 12048 20448 20448 2001 4703 1 2 0 2 1045 4781 2 5 149 10233 17367 17367 2001 4774 4 9 0 9 357 4195 2 7 150 2828 4799 19933 2001 4808 4 9 2 11 544 1413 2 5 151 2639 4479 18601 2001 4834 3 7 3 12 3086 1189 2 7 152 14238 24165 24165 2001 4846 1 2 1 10 638 5957 3 4 153 2699 4581 19026 2001 4899 1 1 0 1 711 5872 2 5 154 13518 22942 22942 2001 5022 4 8 0 8 5161 1093 2 4 155 12121 20571 20571 2001 5101 4 9 2 11 2256 2869 2 10 156 12121 20571 20571 2001 5102 4 9 2 11 2256 2869 2 12 157 2749 4665 19375 2001 5124 4 9 2 11 828 2443 2 5 158 11865 20138 20138 2001 5311 1 2 1 10 1251 4242 2 1 159 13852 23510 23510 2001 5408 4 9 2 11 960 1576 2 7 160 3335 5661 23510 2001 5538 4 9 2 11 960 1576 2 9 161 2531 4295 17838 2001 5620 1 2 0 2 1271 4398 2 5 162 2366 4015 16676 2001 5689 2 4 0 4 922 7153 2 1 163 20444 34697 34697 2001 5741 3 5 0 5 1330 2997 2 9 164 12048 20448 20448 2001 5846 1 2 0 2 1045 4781 2 5 165 20009 33959 33959 2001 5849 4 9 2 11 960 1576 2 4Pool Heater Characteristics Fuel Use AdjustedPool or Spa PH/Spa Heater Other SWIMPOOLPOOLFUELPOOLRECBA THFUELTUBDRYRFUELFUELFOODFuel Use Fuel Appliance

1 1 2 0 99 5 2 61368 2.00 2 CookingOnly 1 1 1 1 1 5 1 19847 1.00 1 CookingOnly 1 1 1 0 99 5 5 30931 2.00 1 PoolHeaterOnly 0 9 99 1 1 1 5 14092 3.00 1 DryerOnly 1 1 1 1 1 5 1 17677 1.00 1 CookingOnly 1 0 99 1 2 2 5 13972 3.00 2 DryerOnly 1 1 1 0 99 5 5 31287 2.00 1 PoolHeaterOnly 1 1 1 1 1 5 1 42302 1.00 1 CookingOnly 1 1 1 0 99 1 5 21323 2.00 1 DryerOnly 1 1 1 1 1 1 5 61425 1.00 1 DryerOnly 1 1 1 1 1 1 1 25500 1.00 1 Cooking+Dryer 1 1 1 1 1 1 5 22348 1.00 1 DryerOnly 1 1 1 0 99 5 5 14916 2.00 1 PoolHeaterOnly 1 0 99 1 1 1 1 7891 3.00 1 Cooking+Dryer 1 0 99 1 1 5 5 1976 3.00 1 PoolHeaterOnly 1 1 1 1 1 5 1 44559 1.00 1 CookingOnly 0 9 99 1 1 1 1 20575 3.00 1 Cooking+Dryer 1 0 99 1 1 5 5 6180 3.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 11662 3.00 1 Cooking+Dryer 1 1 1 0 99 1 5 21682 2.00 1 DryerOnly 1 1 1 1 1 5 5 28189 1.00 1 PoolHeaterOnly 1 0 99 1 1 1 5 10161 3.00 1 DryerOnly 1 1 1 0 99 5 5 31287 2.00 1 PoolHeaterOnly 1 1 1 1 1 1 1 52495 1.00 1 Cooking+Dryer 1 1 1 1 5 5 5 31282 2.00 1 PoolHeaterOnly 1 1 1 1 5 5 1 14852 2.00 1 CookingOnly 1 1 1 1 5 1 1 55264 2.00 1 Cooking+Dryer 1 1 1 0 99 1 5 53212 2.00 1 DryerOnly 1 1 1 0 99 5 5 15439 2.00 1 PoolHeaterOnly 1 1 2 0 99 5 5 15259 2.00 2 PoolHeaterOnly 1 1 5 1 2 1 5 31112 3.00 2 PoolHeaterOnly 1 1 1 0 99 5 5 11248 2.00 1 PoolHeaterOnly 1 1 1 1 5 5 5 25622 2.00 1 PoolHeaterOnly 0 9 99 1 1 5 1 12673 3.00 1 CookingOnly 1 1 2 0 99 5 5 39002 2.00 2 PoolHeaterOnly 0 9 99 1 1 1 1 16244 3.00 1 Cooking+Dryer 1 1 1 1 1 5 5 42276 1.00 1 PoolHeaterOnly 1 1 1 0 99 1 5 45840 2.00 1 DryerOnly 1 1 2 0 99 5 5 15259 2.00 2 PoolHeaterOnly 1 1 1 1 5 5 5 32595 2.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 6412 3.00 1 Cooking+Dryer 1 0 99 1 2 5 5 10432 3.00 2 PoolHeaterOnly 0 9 99 1 1 5 5 2221 3.00 1 PoolHeaterOnly 1 1 1 1 1 1 1 9680 1.00 1 Cooking+Dryer 0 9 99 1 1 1 1 15153 3.00 1 Cooking+Dryer 1 1 1 0 99 1 1 42186 2.00 1 Cooking+Dryer 1 1 2 0 99 5 2 50323 2.00 2 CookingOnly 0 9 99 1 1 5 1 4780 3.00 1 CookingOnly 0 9 99 1 1 5 1 6846 3.00 1 CookingOnly 1 1 2 0 99 5 5 21790 2.00 2 PoolHeaterOnly 1 1 1 0 99 1 1 188457 2.00 1 Cooking+Dryer 0 9 99 1 2 5 2 18970 3.00 2 CookingOnly 1 1 1 1 1 1 5 18021 1.00 1 DryerOnly 0 9 99 1 1 1 1 14826 3.00 1 Cooking+Dryer 1 1 1 0 99 5 5 68038 2.00 1 PoolHeaterOnly 1 1 2 0 99 2 2 39344 2.00 2 Cooking+Dryer 1 1 1 0 99 5 5 16817 2.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 11132 3.00 1 Cooking+Dryer 0 9 99 1 1 1 1 15525 3.00 1 Cooking+Dryer 0 9 99 1 1 1 5 7121 3.00 1 DryerOnly 0 9 99 1 1 1 5 18997 3.00 1 DryerOnly 1 0 99 1 1 1 5 8524 3.00 1 DryerOnly 0 9 99 1 1 5 5 2927 3.00 1 PoolHeaterOnly 0 9 99 1 1 1 5 6439 3.00 1 DryerOnly 1 1 1 0 99 5 5 27478 2.00 1 PoolHeaterOnly 1 1 1 1 1 5 5 51316 1.00 1 PoolHeaterOnly 1 1 1 1 5 1 1 27547 2.00 1 Cooking+Dryer 1 0 99 1 1 1 1 20956 3.00 1 Cooking+Dryer 0 9 99 1 1 1 1 13663 3.00 1 Cooking+Dryer 1 1 2 0 99 5 5 15252 2.00 2 PoolHeaterOnly 0 9 99 1 1 5 1 8203 3.00 1 CookingOnly 1 1 1 1 1 1 5 19826 1.00 1 DryerOnly 1 1 1 0 99 5 1 34289 2.00 1 CookingOnly 9 9 99 1 2 99 2 25929 3.00 2 CookingOnly 1 1 1 1 1 5 5 18809 1.00 1 PoolHeaterOnly 1 1 1 0 99 5 5 38545 2.00 1 PoolHeaterOnly 0 9 99 1 2 5 2 6176 3.00 2 CookingOnly 0 9 99 1 1 1 5 9580 3.00 1 DryerOnly 1 1 1 1 1 1 1 31907 1.00 1 Cooking+Dryer 1 1 2 0 99 5 5 3836 2.00 2 PoolHeaterOnly 1 1 2 0 99 5 2 25911 2.00 2 CookingOnly 1 1 2 0 99 5 2 72659 2.00 2 CookingOnly 1 1 1 0 99 5 5 31287 2.00 1 PoolHeaterOnly 1 1 1 0 99 1 5 31957 2.00 1 DryerOnly 1 0 99 1 1 1 1 22932 3.00 1 Cooking+Dryer1 1 1 0 99 5 5 14360 2.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 20830 3.00 1 Cooking+Dryer 0 9 99 1 1 5 5 2506 3.00 1 PoolHeaterOnly 1 1 1 0 99 5 1 6894 2.00 1 CookingOnly 1 1 2 0 99 5 1 236271 2.00 2 PoolHeaterOnly 1 1 1 0 99 1 5 59068 2.00 1 DryerOnly 1 0 99 1 1 5 5 11209 3.00 1 PoolHeaterOnly 1 1 1 0 99 1 1 46747 2.00 1 Cooking+Dryer 0 9 99 1 1 1 1 31395 3.00 1 Cooking+Dryer 1 1 1 0 99 1 5 58200 2.00 1 DryerOnly 1 1 1 1 1 5 5 117695 1.00 1 PoolHeaterOnly 1 1 2 0 99 5 5 5297 2.00 2 PoolHeaterOnly 1 1 2 0 99 5 5 25287 2.00 2 PoolHeaterOnly 1 1 1 0 99 5 1 121010 2.00 1 CookingOnly 1 1 1 0 99 5 1 43437 2.00 1 CookingOnly 0 9 99 1 1 5 5 19394 3.00 1 PoolHeaterOnly 1 1 1 1 5 5 5 75062 2.00 1 PoolHeaterOnly 0 9 99 1 2 5 5 7306 3.00 2 PoolHeaterOnly 1 1 1 0 99 5 1 46967 2.00 1 CookingOnly 1 1 1 0 99 5 5 63798 2.00 1 PoolHeaterOnly 0 9 99 1 2 2 5 25030 3.00 2 DryerOnly 1 1 1 0 99 1 5 48185 2.00 1 DryerOnly 0 9 99 1 1 99 1 3621 3.00 1 CookingOnly 0 9 99 1 1 1 1 30937 3.00 1 Cooking+Dryer 1 0 99 1 1 5 5 13761 3.00 1 PoolHeaterOnly 1 1 2 0 99 5 5 5754 2.00 2 PoolHeaterOnly 0 9 99 1 1 1 1 33071 3.00 1 Cooking+Dryer 0 9 99 1 1 5 5 12807 3.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 20935 3.00 1 Cooking+Dryer 1 1 1 0 99 5 5 14605 2.00 1 PoolHeaterOnly 0 9 99 1 1 1 5 17581 3.00 1 DryerOnly 1 1 1 0 99 5 5 31748 2.00 1 PoolHeaterOnly 1 1 1 0 99 5 5 30822 2.00 1 PoolHeaterOnly 0 9 99 1 1 5 5 21759 3.00 1 PoolHeaterOnly 1 1 2 1 2 5 5 46851 1.00 2 PoolHeaterOnly 1 1 1 0 99 1 1 141225 2.00 1 Cooking+Dryer 1 1 2 0 99 5 5 7946 2.00 2 PoolHeaterOnly 1 1 2 0 99 5 5 114436 2.00 2 PoolHeaterOnly 0 9 99 1 1 5 5 8861 3.00 1 PoolHeaterOnly 0 9 99 1 1 5 5 4688 3.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 23388 3.00 1 Cooking+Dryer 1 1 2 1 5 5 5 4749 2.00 2 PoolHeaterOnly 1 1 1 1 1 5 1 115817 1.00 1 CookingOnly 1 1 1 0 99 5 1 41328 2.00 1 CookingOnly 0 9 99 1 2 5 5 53360 3.00 2 PoolHeaterOnly 0 9 99 1 1 5 5 18103 3.00 1 PoolHeaterOnly 0 9 99 1 1 5 1 13859 3.00 1 CookingOnly 0 9 99 1 1 5 1 19023 3.00 1 CookingOnly 1 0 99 1 1 1 5 14501 3.00 1 DryerOnly 1 1 1 0 99 5 5 63298 2.00 1 PoolHeaterOnly 0 9 99 1 1 5 5 11760 3.00 1 PoolHeaterOnly 1 1 1 0 99 5 5 58192 2.00 1 PoolHeaterOnly 1 0 99 1 1 5 5 13515 3.00 1 PoolHeaterOnly 0 9 99 1 1 1 1 13658 3.00 1 Cooking+Dryer 1 1 2 0 99 5 5 53337 2.00 2 PoolHeaterOnly 0 9 99 1 1 1 1 46875 3.00 1 Cooking+Dryer 1 1 1 1 1 1 1 43437 1.00 1 Cooking+Dryer 1 1 1 0 99 1 1 52080 2.00 1 Cooking+Dryer 1 0 99 1 1 99 5 6560 3.00 1 PoolHeaterOnly 1 1 1 1 5 5 5 57893 2.00 1 PoolHeaterOnly 0 9 99 1 2 5 1 53360 3.00 2 PoolHeaterOnly 0 9 99 1 1 5 1 18021 3.00 1 CookingOnly 1 1 2 1 5 5 5 53360 2.00 2 PoolHeaterOnly 1 1 1 0 99 5 1 51947 2.00 1 CookingOnly 0 9 99 1 1 1 1 63496 3.00 1 Cooking+Dryer 0 9 99 1 1 1 1 30144 3.00 1 Cooking+Dryer 1 1 1 0 99 1 5 44663 2.00 1 DryerOnly 0 9 99 1 1 1 5 20239 3.00 1 DryerOnly 1 1 1 1 5 5 1 35653 2.00 1 CookingOnly 1 1 1 1 1 1 1 35878 1.00 1 Cooking+Dryer 1 1 1 1 1 1 1 40787 1.00 1 Cooking+Dryer 0 9 99 1 1 1 5 17723 3.00 1 DryerOnly 1 1 1 0 99 1 5 60955 2.00 1 DryerOnly 1 1 1 1 5 5 5 128097 2.00 1 PoolHeaterOnly 0 9 99 1 1 1 5 18417 3.00 1 DryerOnly 0 9 99 1 1 1 5 13007 3.00 1 DryerOnly 0 9 99 1 1 1 1 5959 3.00 1 Cooking+Dryer 1 1 1 0 99 1 1 52080 2.00 1 Cooking+Dryer 1 1 2 1 5 5 5 26542 2.00 2 PoolHeaterOnly 1 1 1 1 5 5 1 24664 2.00 1 CookingOnlyBase Case Efficiency Lookup

Import Parameters Baseline Efficiency Distribution for 250 kBtu/h Pool Heaters (forcasted for 2013) from: RECS HH Data with Pilot Elec. Ignition Pool Heater has Pilot? 0 Level EF % EF % (0=no , 1=yes) 0 78% 3.4% 78% 1.5% 1 79% 62.1% 79% 24.2% 2 81% 13.8% 81% 21.2% Export Parameters 3 82% 20.7% 82% 28.8% to: Summary, Installation Cost 4 83% 0.0% 83% 3.0% RECS Household #2540 5 84% 0.0% 84% 12.1% Base Case Efficiency 78% 6 86% 0.0% 86% 7.6% 7 90% 0.0% 90% 0.0% 8 95% 0.0% 95% 1.5% 100.0% 100.0% Source: Models Data Worksheet (Based on FTC Directory May 2009 and mfr product literature).

with Pilot Elec. Ignition EF Sampled 78% 78%

# Pool Heater Model Characteristics

Sources: FTC July 2009, CEC 2/5/2010, and manufacturer websites

Base Case Efficiency

Distribution PARENT COMPANY to: Base Case Efficiency Lochinvar Corp. with PilotElec. Ignition Lochinvar Corp. Level EF % % Lochinvar Corp. 0 78% 3.4% 1.5% Lochinvar Corp. 1 79% 62.1% 24.2% Lochinvar Corp. 2 81% 13.8% 21.2% Waterpik Technologies, Inc. 3 82% 20.7% 28.8% Waterpik Technologies, Inc. 4 83% 0.0% 3.0% Waterpik Technologies, Inc. 5 84% 0.0% 12.1% Waterpik Technologies, Inc. 6 86% 0.0% 7.6% Waterpik Technologies, Inc. 7 90% 0.0% 0.0% Waterpik Technologies, Inc. 8 95% 0.0% 1.5% Waterpik Technologies, Inc.

100% 100.0% 100.0% Waterpik Technologies, Inc. Waterpik Technologies, Inc. Input Capacity

Distribution Waterpik Technologies, Inc. Waterpik Technologies, Inc. Waterpik Technologies, Inc. 300,000 250,000 150,000 Waterpik Technologies, Inc. 50,000 0% 50,000 0% 50,000 4% Waterpik Technologies, Inc. 74,990 0% 74,990 0% 74,990 2% Waterpik Technologies, Inc. 100,000 0% 100,000 0% 100,000 6% Waterpik Technologies, Inc. 125,000 0% 125,000 0% 125,000 10% Waterpik Technologies, Inc. 130,000 0% 130,000 0% 130,000 4% Waterpik Technologies, Inc. 150,000 0% 150,000 6% 150,000 10% Waterpik Technologies, Inc. 175,000 0% 175,000 7% 175,000 12% Waterpik Technologies, Inc. 199,500 0% 199,500 4% 199,500 6% Waterpik Technologies, Inc. 200,000 0% 200,000 10% 200,000 16% Waterpik Technologies, Inc. 250,000 25% 250,000 18% 250,000 30% Waterpik Technologies, Inc. 266,000 5% 266,000 4% 266,000 0% Waterpik Technologies, Inc. 300,000 12% 300,000 9% 300,000 0% Waterpik Technologies, Inc. 325,000 8% 325,000 6% 325,000 0% Waterpik Technologies, Inc. 332,500 5% 332,500 4% 332,500 0% Waterpik Technologies, Inc. 333,000 3% 333,000 2% 333,000 0% Waterpik Technologies, Inc. 350,000 8% 350,000 6% 350,000 0% Waterpik Technologies, Inc. 399,000 12% 399,000 9% 399,000 0% Waterpik Technologies, Inc. 399,990 8% 399,990 6% 399,990 0% Waterpik Technologies, Inc. 400,000 13% 400,000 10% 400,000 0% Waterpik Technologies, Inc.

100% 100% 100% Waterpik Technologies, Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. pool and spa heater pool/spa heaters spa heaters to: Energy

Use

# Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Pentair Inc. Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Hayward Industries Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma Paloma

# Sources: FTC July 2009, CEC 2/5/2010, and manufacturer websites

MANUFACTURER BRAND MODEL NUMBER FUEL TYPE

gas/oil/lpgINPUT

BTU/hr. THERMAL

EFFICIENCY % SOURCE Lochinvar Corp. EnergyRite ER(N,L)152 Natural Gas150,000 86.6 FTC 2009 Lochinvar Corp. EnergyRite ER(N,L)202 Natural Gas200,000 86.3 FTC 2009 Lochinvar Corp. EnergyRite ER(N,L)252 Natural Gas250,000 87.8 FTC 2009 Lochinvar Corp. EnergyRite ER(N,L)302 Natural Gas300,000 86.4 FTC 2009 Lochinvar Corp. EnergyRite ER(N,L)402 Natural Gas400,000 86.9 FTC 2009 Jandy Pool Products Inc. Hi-E2 EHE350N** Natural Gas350,000 95.0 FTC 2009 Jandy Pool Products Inc. Lite 2 LD125N** Natural Gas125,000 79.2 FTC 2009 Jandy Pool Products Inc. Lite 2 LD175N** Natural Gas175,000 79.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LD250N** Natural Gas250,000 79.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LD325N** Natural Gas325,000 82.1 FTC 2009 Jandy Pool Products Inc. Lite 2 LD400N** Natural Gas399,000 82.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LG125N** Natural Gas125,000 79.2 FTC 2009 Jandy Pool Products Inc. Lite 2 LG175N** Natural Gas175,000 79.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LG250N** Natural Gas250,000 79.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LG325N** Natural Gas325,000 82.1 FTC 2009 Jandy Pool Products Inc. Lite 2 LG400N** Natural Gas399,000 82.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LJ125N** Natural Gas125,000 79.2 FTC 2009 Jandy Pool Products Inc. Lite 2 LJ175N** Natural Gas175,000 79.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LJ250N** Natural Gas250,000 79.3 FTC 2009 Jandy Pool Products Inc. Lite 2 LJ325N** Natural Gas325,000 82.1 FTC 2009 Jandy Pool Products Inc. Lite 2 LJ400N** Natural Gas399,000 82.3 FTC 2009 Jandy Pool Products Inc. LXi LXI250N** Natural Gas250,000 82.0 FTC 2009 Jandy Pool Products Inc. LXi LXI300N** Natural Gas300,000 82.0 FTC 2009 Jandy Pool Products Inc. LXi LXI400N** Natural Gas399,000 81.8 FTC 2009 Jandy Pool Products Inc. Legacy LRZM 125 Natural Gas125,000 78.2 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZM 175 Natural Gas175,000 79.6 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZM 250 Natural Gas250,000 80.8 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZM 325 Natural Gas325,000 80.4 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZM 400 Natural Gas400,000 81.0 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZE 125 Natural Gas125,000 78.2 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZE 175 Natural Gas175,000 79.6 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZE 250 Natural Gas250,000 80.8 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZE 325 Natural Gas325,000 80.4 CEC 2/5/2010 Jandy Pool Products Inc. Legacy LRZE 400 Natural Gas400,000 81.0 CEC 2/5/2010 Jandy Pool Products Inc. LT/LX LT250N Natural Gas250,000 80.8 CEC 2/5/2010 Jandy Pool Products Inc. LT/LX LT400N Natural Gas400,000 81.0 CEC 2/5/2010 Jandy Pool Products Inc. LT/LX LX250N Natural Gas250,000 80.8 CEC 2/5/2010 Jandy Pool Products Inc. LT/LX LX400N Natural Gas400,000 81.0 CEC 2/5/2010 Pentair Pool Products, Inc.MasterTemp MSTRTMP175 Natural Gas175,000 84.0 FTC 2009 Pentair Pool Products, Inc.MasterTemp MSTRTMP200 Natural Gas200,000 84.0 FTC 2009 Pentair Pool Products, Inc.MasterTemp MSTRTMP250 Natural Gas250,000 84.0 FTC 2009 Pentair Pool Products, Inc.MasterTemp MSTRTMP250HDNatural Gas250,000 81.0 FTC 2009 Pentair Pool Products, Inc.MasterTemp MSTRTMP300 Natural Gas300,000 84.0 FTC 2009 Pentair Pool Products, Inc.MasterTemp MSTRTMP400 Natural Gas399,990 84.0 FTC 2009 Pentair Pool Products, Inc.MasterTemp MSTRTMP400HDNatural Gas399,990 81.0 FTC 2009 Sta-Rite Industries, Inc. Max-E-Therm SR200HD Natural Gas200,000 81.0 FTC 2009 Sta-Rite Industries, Inc. Max-E-Therm SR200NA Natural Gas200,000 84.0 FTC 2009 Sta-Rite Industries, Inc. Max-E-Therm SR333HD Natural Gas333,000 81.0 FTC 2009 Sta-Rite Industries, Inc. Max-E-Therm SR333NA Natural Gas333,000 84.0 FTC 2009 Sta-Rite Industries, Inc. Max-E-Therm SR400HD Natural Gas399,990 81.0 FTC 2009

# Sta-Rite Industries, Inc. Max-E-Therm SR400NA Natural Gas399,990 84.0 FTC 2009

Pentair Pool Products, Inc.Minimax 100 DSI Natural Gas100,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 100 MV Natural Gas100,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 150CH Natural Gas150,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 200CH Natural Gas200,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 250CH Natural Gas250,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 300CH Natural Gas300,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 350CH Natural Gas350,000 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 400CH Natural Gas399,990 79.0 FTC 2009 Pentair Pool Products, Inc.Minimax 75 Natural Gas74,990 79.0 FTC 2009 Hayward Pool Products Universal H-Series Low-NOxH150FDN Natural Gas150,000 82.0 Mfr website Hayward Pool Products Universal H-Series Low-NOxH200FDN Natural Gas200,000 82.0 Mfr website Hayward Pool Products Universal H-Series Low-NOxH250FDN Natural Gas250,000 82.4 CEC 2/5/2010 Hayward Pool Products Universal H-Series Low-NOxH300FDN Natural Gas300,000 82.0 Mfr website Hayward Pool Products Universal H-Series Low-NOxH350FDN Natural Gas350,000 82.8 CEC 2/5/2010 Hayward Pool Products Universal H-Series Low-NOxH400FDN Natural Gas400,000 82.8 CEC 2/5/2010 Hayward Pool Products H-Series H150ED2 Natural Gas150,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H200ED2 Natural Gas200,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H250ED2 Natural Gas250,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H300ED2 Natural Gas300,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H350ED2 Natural Gas350,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H400ED2 Natural Gas400,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H1501 Natural Gas150,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H2001 Natural Gas200,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H2501 Natural Gas250,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H3001 Natural Gas300,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H3501 Natural Gas350,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H4001 Natural Gas400,000 80.0 CEC 2/5/2010 Hayward Pool Products H-Series H100ID1 Natural Gas100,000 81.0 CEC 2/5/2010 Raypak RP2100 -R206A-EN- Natural Gas199,500 82.0 FTC 2009 Raypak RP2100 -R266A-EN- Natural Gas266,000 82.0 FTC 2009 Raypak RP2100 -R336A-EN- Natural Gas332,500 82.0 FTC 2009 Raypak RP2100 -R406A-EN- Natural Gas399,000 82.0 FTC 2009 Raypak RP2100 -R207A-EN- Natural Gas199,500 82.0 FTC 2009 Raypak RP2100 -R267A-EN- Natural Gas266,000 82.0 FTC 2009 Raypak RP2100 -R337A-EN- Natural Gas332,500 82.0 FTC 2009 Raypak RP2100 -R407A-EN- Natural Gas399,000 82.0 FTC 2009 Raypak RP2100 -R206A-MN- Natural Gas199,500 82.0 FTC 2009 Raypak RP2100 -R266A-MN- Natural Gas266,000 82.0 FTC 2009 Raypak RP2100 -R336A-MN- Natural Gas332,500 82.0 FTC 2009 Raypak RP2100 -R406A-MN- Natural Gas399,000 82.0 FTC 2009 Raypak Versa -R055B-MN Natural Gas50,000 81.0 FTC 2009 Raypak Versa -R055B-EN Natural Gas50,000 81.0 FTC 2009 Raypak Versa -R130A-MN- Natural Gas130,000 81.0 FTC 2009 Raypak Versa -R130A-EN- Natural Gas130,000 81.0 FTC 2009

# BA

SIC MODEL?PILOT

LIGHT IGNITION TYPE Low Nox? Control Type Dual Temp

Controls?Venting Type TRUEFALSE Direct Spark AVAILABLELCD Display TRUE Forced Draft TRUEFALSE Direct Spark AVAILABLELCD Display TRUE Forced Draft TRUEFALSE Direct Spark AVAILABLELCD Display TRUE Forced Draft TRUEFALSE Direct Spark AVAILABLELCD Display TRUE Forced Draft TRUEFALSE Direct Spark AVAILABLELCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES Manual TRUE Forced Draft TRUEFALSEHot Surface Ignition NO Manual TRUE Natural Draft TRUEFALSEHot Surface Ignition NO Manual TRUE Natural Draft TRUEFALSEHot Surface IgnitionAVAILABLE Manual TRUE Natural Draft TRUEFALSEHot Surface Ignition NO Manual TRUE Natural Draft TRUEFALSEHot Surface IgnitionAVAILABLE Manual TRUE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface Ignition NO LCD Display TRUE Natural Draft TRUEFALSEHot Surface IgnitionAVAILABLELCD Display TRUE Forced Draft TRUEFALSEHot Surface IgnitionAVAILABLELCD Display TRUE Forced Draft TRUEFALSEHot Surface IgnitionAVAILABLELCD Display TRUE Forced Draft TRUEFALSEHot Surface IgnitionAVAILABLELCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft

# TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft

TRUEFALSE Direct Spark NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Natural Draft TRUEFALSE Direct Spark NO Manual FALSE Natural Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSEHot Surface Ignition YES LCD Display TRUE Forced Draft TRUEFALSE Direct Spark NO LCD Display TRUE Forced Draft TRUEFALSE Direct Spark NO LCD Display TRUE Forced Draft TRUEFALSE Direct Spark NO LCD Display TRUE Forced Draft TRUEFALSE Direct Spark NO LCD Display TRUE Forced Draft TRUEFALSE Direct Spark NO LCD Display TRUE Forced Draft TRUEFALSE Direct Spark NO LCD Display TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual TRUE Forced Draft TRUEFALSE Direct Spark NO Manual FALSE Forced Draft TRUEFALSE Direct Spark NO LCD Display FALSE Natural Draft TRUEFALSE Direct Spark NO LCD Display FALSE Natural Draft TRUEFALSE Direct Spark NO LCD Display FALSE Natural Draft TRUEFALSE Direct Spark NO LCD Display FALSE Natural Draft TRUEFALSE Direct Spark YES LCD Display FALSE Forced Draft TRUEFALSE Direct Spark YES LCD Display FALSE Forced Draft TRUEFALSE Direct Spark YES LCD Display FALSE Forced Draft TRUEFALSE Direct Spark YES LCD Display FALSE Forced Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUEFALSE Direct Spark NO Manual FALSE Natural Draft TRUETRUEStanding Pilot (Millivot) NO Manual FALSE Natural Draft TRUEFALSE Direct Spark NO Manual FALSE Natural DraftInstallation Cost

Import Parameters from: RECS HH Data Basic Electricity Condensate Total Repl/New?(1=Repl; 2= New) 1 Costs Connection Removal Cost Pool Heater has Pilot?(0=no , 1=yes) 0 Replacement Installation Cost (2009$) Division +4 lrg State 13 0 Baseline - pilot or elect. Ignition $274 $60 $334 Heating Fuel Type (1=NG; 2=LPG) 2 1 Improved HX $274 $60 $334 2 Improved HX $274 $60 $334 Export Parameters 3 Improved HX, More Effective Insulation (Combustion Chamber) $274 $60 $334 to: LCC&Payback Calcs Installation 4 Power Venting $274 $60 $334 Cost (2009$) 5 Power Venting, Improved HX $274 $60 $334 0 Baseline - pilot or elect. Ignition $334 6 Sealed Combustion, Improved HX $274 $60 $100 $434 1 Improved HX $334 7 Sealed Combustion, Condensing $274 $60 $100 $434 2 Improved HX $334 8 Sealed Combustion, Condensing, Improved HX $274 $60 $100 $434 3 Improved HX, More Effective Insulation (Combustion Chamber) $334 New Construction/Owner Installation Cost (2009$) 4 Power Venting $334 0 Baseline - pilot or elect. Ignition $895 $101 $996 5 Power Venting, Improved HX $334 1 Improved HX $895 $101 $996 6 Sealed Combustion, Improved HX $434 2 Improved HX $895 $101 $996 7 Sealed Combustion, Condensing $434 3 Improved HX, More Effective Insulation (Combustion Chamber) $895 $101 $996 8 Sealed Combustion, Condensing, Improved HX $434 4 Power Venting $895 $101 $996 5 Power Venting, Improved HX $895 $101 $996 6 Sealed Combustion, Improved HX $895 $101 $100 $1,096 7 Sealed Combustion, Condensing $895 $101 $100 $1,096 8 Sealed Combustion, Condensing, Improved HX $895 $101 $100 $1,096

Installation Cost Components (2009$) Total Cost Basic Installation Costs 0 Baseline (Replacement) $274 1 Baseline (New Construction/Owner, Natural Gas) $1,836 2 Baseline (New Construction/Owner, LPG) $895 Electronic Ignition Design Adders 3 Electricity Connections (New Connection) $101 4 Electricity Connections (In-Kind Reconnect) $60 Condensing Design Adders 5 Condensate Removal Adder $100 Source: 2009 RS Means and consultant information (See Appendix 8-A)

Installation Cost Calculations and Data Installation Cost Calculations Total Crew Labor Hours Unit Material Labor SubTotal Unit Factor Labor Hours Material Labor Total PH Installation (Retrofit) Trip Charge Q1 1 Ea. $0.00 $31.43 $31.43 1.00 1.00 $0.00 $47.18 $47.18 Setting, connecting start-up (labor only) Q1 2 Ea. $0.00 $62.87 $62.87 1.00 2.00 $0.00 $94.36 $94.36 Remove Old Pool Heater Q1 1 Ea. $0.00 $31.43 $31.43 1.00 1.00 $0.00 $47.18 $47.18 Connection to P-Trap PVC lines or redo condensate Q1 1 Ea. $35.00 $31.43 $66.43 1.00 1.00 $38.50 $47.18 $85.68 Total 5.00 $38.50 $235.90 $274.40 Pool Heater Installation (New Construction/New Owner) LPG Cost Setting, connecting start-up (labor only) Q6 8 Ea. $0.00 $264.02 $264.02 1.00 8.00 $0.00 $396.30 $396.30 $396.30 Water Piping (Schedule 40, threaded, with couplings, and clevis hanger, 1" diameter) Q6 0.122 L.F. $1.09 $4.02 $5.10 50.00 6.09 $59.68 $301.68 $361.36 $361.36 Gas Piping 1" diameter (Schedule 40, threaded, with couplings, and clevis type hangars, 10' O.C., black) Q6 0.128 L.F. $3.22 $4.24 $7.46 100.00 12.84 $354.37 $635.82 $990.18 $49.51 Connection to P-Trap PVC lines Q6 1 Ea. $35.00 $33.00 $68.00 1.00 1.00 $38.50 $49.54 $88.04 $88.04 Total 27.93 $452.54$1,383.34$1,835.88 $895.21 Electricity Connection (In-Kind Reconnect) Motor Connections (Flexible conduit and fitting, 115 volt, 1 phase, up to 1 HP motor) 1 Elec 1 Ea. $9.00 $33.67 $42.67 1.00 1.00 $9.90 $50.10 $60.00 Electricity Connection (New Outlet for New Owner of Retrofit switching from Pilot Ignition) Trip Charge 1 Elec 0.5 L.F. $0.00 $16.84 $16.84 1.00 0.50 $0.00 $25.05 $25.05 Lighiting outlets (Box (4") and wire (for fixture), Type NM cable) 1 Elec 0.32 L.F. $0.00 $10.77 $10.77 1.00 0.32 $0.00 $16.03 $16.03 Motor Connections (Flexible conduit and fitting, 115 volt, 1 phase, up to 1 HP motor) 1 Elec 1 Ea. $9.00 $33.67 $42.67 1.00 1.00 $9.90 $50.10 $60.00 Total 1.82 $9.90 $91.19 $101.09

2009 RS Means Standard Union Labor Costs (2009$) Labor Cost Choice (1=Regional; 2=Sample Weighted Avg; 3=National) 1 Crew Cost per Labor Cost per Labor-Hour No.Description Labor-Hour Factor Bare Costs Incl. O&P Q6 2 Steamfitters, 1 Steamfitter Apprentice 3 $46.07 0.72 $33.00 $49.54 1 Elec 1 Electrician 1 $47.00 0.72 $33.67 $50.10 Q1 1 Plumber, 1 Plumber Apprentice 2 $43.88 0.72 $31.43 $47.18 Q9 1 sheet metal worker, 1 sheet metal worker apprentice2 $42.48 0.72 $30.43 $46.83 1 Carp 1 Carpenter 1 $39.95 0.72 $28.62 $44.39

2009 RS Means Labor Costs Markups (Standard Union)

Trade Workers Comp. Aver Fixed Overhead Overhead Profit Total Plumber 7.8% 16.3% 16.0% 10.0% 50.1% Electrician 6.5% 16.3% 16.0% 10.0% 48.8% Sheet Metal 11.6% 16.3% 16.0% 10.0% 53.9% Carpenter 17.8% 16.3% 11.0% 10.0% 55.1%

Material Costs Markup 10.0%

Div & 4 Labor Cost Factor Sample Weighted 1 1.18 4% 2 1.27 8% 3 1.12 12% 4 0.97 2% 5 0.73 11% 6 0.75 3% 7 0.66 1% 8 0.82 9% 9 1.06 3% 10 1.66 4% 11 1.25 22% 12 0.66 8% 13 0.72 12% Nat. Avg. 1 1.01 Intermediate Calculations

Labor Costs Location Factors Bare Costs (2009$) Total Values including O&P (2009$) Description

Laborers per Crew

# Maintenance and Repair Costs

Import Parameters from: Lifetime Equipment Lifetime(year) 10 from: RECS HH Data Pool Heater has Pilot?(0= No; 1=Yes) 0 Division +4 lrg State 13

to: LCC&Payback Calcs Maint. Repair Costs by Components Year Component Fails Design Cost pilot / elec. Ign. Power Ventpilot / elec. Ign. Power Vent (2009$) (2009$) (2009$) yr yr 0Baseline - pilot or elect. Ignition $235.90 $0 $0 1Improved HX $235.90 $0 $0 2Improved HX $235.90 $0 $0 3Improved HX, More Effective Insulation (Combustion Chamber) $235.90 $0 $0 4Power Venting $235.90 $0 $0 5Power Venting, Improved HX $235.90 $0 $0 6Sealed Combustion, Improved HX $340.75 $0 $0 7Sealed Combustion, Condensing $340.75 $0 $0 8Sealed Combustion, Condensing, Improved HX$340.75 $0 $0

Maintenance Frequency 6 Warranty Period (years) 1

Repair Frequency Index to: Forecast Cells (1-Yes, 0-No) Pilot Ignition Repair 1 Electronic Ignition Repair 0 Induced Draft Repair 0Export Parameters

# Intermediate Calculations

Maintenance Costs Frequency (yr) Cost(2009$) Baseline Maintenance 6 $235.90 Advanced Design Maintenance 6 $340.75

Repair Costs Failure Year Cost(2009$)Correlation Factor Pilot Ignition Repair Cost 5 $113.74 1 Electronic Ignition Repair Cost 12 $172.95 1 Induced Draft Repair Cost 15 $406.06 1 Source: 2009 RS Means and consultant information (See Appendix 8-B)

Maintenance and Repair Cost Calculations and Data Maintenance Cost Calculations

Description Crew Labor Hours Unit Material Labor SubTotalUnit Factor Maintenance Cost Baseline Trip Charge 1 Plum 0.5 Ea. $0.00 $17.46 $17.46 1.00 Measure millivolt signal, clean burners, clean HX, start up heater check temperature rise 1 Plum 4 Ea. $0.00 $139.70 $139.70 1.00 Total Maintenance Cost Advanced Design Trip Charge 1 Plum 0.5 Ea. $0.00 $17.46 $17.46 1.00 Measure ignition signal, clean burners, clean HX, measure combustion differential pressure, start up heater check temperature rise 1 Plum 6 Ea. $0.00 $209.55 $209.55 1.00 Total

Repair Cost Calculations

Description Crew Labor Hours Unit Material Labor SubTotalUnit Factor Pilot Ignition Repair Cost Trip Charge 1 Plum 0.5 Ea. $0.00 $17.46 $17.46 1.00 Repair (pilot device) 1 Plum 1.25 Ea. $20.00 $43.66 $63.66 1.00 Total Electronic Ignition Repair Cost Trip Charge 1 Plum 0.5 Ea. $0.00 $17.46 $17.46 1.00 Repair (electronic ignition) 1 Plum 1.75 Ea. $50.00 $61.12 $111.12 1.00 Total Induced Draft Repair Cost Trip Charge 1 Plum 0.5 Ea. $0.00 $17.46 $17.46 1.00 Repair (electronic ignition) 1 Plum 2 Ea. $250.00 $69.85 $319.85 1.00 Total

2009 RS Means Standard Union Labor Costs (2009$) Labor Cost Choice (1=Regional; 2=Sample Weighted Avg; 3=National) 1 Laborers Cost per Labor Cost per Labor-Hour Bare Costs (2009$) Bare Costs (2009$)

# Crew No. per Crew Labor-Hour Factor Bare CostsIncl. O&P

1 Plum 1 Plumber 1 48.75 0.72 $34.93 $52.42

2009 RS Means Labor Costs Markups (Standard Union)

Trade Workers Comp. Avg Fixed Overhead Overhead Profit Total Plumber 7.8% 16.3% 16.0% 10.0% 50.1%

Material Costs Markup 10.0%

Div & 4 lrg states Labor Cost FactorSample Weight 1 1.18 4% 2 1.27 8% 3 1.12 12% 4 0.97 2% 5 0.73 11% 6 0.75 3% 7 0.66 1% 8 0.82 9% 9 1.06 3% 10 1.66 4% 11 1.25 22% 12 0.66 8% 13 0.72 12% National Avg. 1 1.01

Labor Costs Location Factors

# Total

Labor HoursMaterial Labor Total

0.50 $0.00 $26.21 $26.21 4.00 $0.00 $209.69 $209.69 4.50 $0.00 $235.90 $235.90

0.50 $0.00 $26.21 $26.21 6.00 $0.00 $314.54 $314.54 6.50 $0.00 $340.75 $340.75

Total Labor HoursMaterial Labor Total

0.50 $0.00 $26.21 $26.21 1.25 $22.00 $65.53 $87.53 1.75 $22.00 $91.74 $113.74

0.50 $0.00 $26.21 $26.21 1.75 $55.00 $91.74 $146.74 2.25 $55.00 $117.95 $172.95

0.50 $0.00 $26.21 $26.21 2.00 $275.00 $104.85 $379.85 2.50 $275.00 $131.06 $406.06

Total Values including O&P (2009$) Total Values including O&P (2009$)

# Energy Prices (by Division and Large States)

Import Parameters Residential Energy Prices (in 2009$) From RECS Household: Year of Energy Prices Div & Lrg State 13 Div. & Lrg State 1 Export Parameters 2 To LCC Summary: Residential Energy Prices (in 2009$) 3 4 Elec Price Gas Price LPG Price 5 Year of Energy Price 2008 2008 2007 6 Sampled Annual Energy Price $0.116 $21.80 $33.49 7 $/kWh $/MMBtu $/MMBtu 8 9 10 11 12 13 U.S. Avg RECS Pool Heater Sample

# Residential Energy Prices (in 2009$)

2008 2008 2007 RECS Elec Gas LPG Fraction $ / kWh $ / MMBtu $ / MMBtu 4.4% $0.175 $17.9 $30.1 8.1% $0.130 $16.7 $30.3 12.1% $0.105 $14.5 $23.6 2.4% $0.087 $14.6 $20.9 10.9% $0.102 $19.6 $28.2 2.7% $0.093 $17.6 $27.1 1.1% $0.096 $16.2 $24.4 9.3% $0.098 $13.2 $25.0 3.2% $0.103 $13.6 $29.3 4.5% $0.182 $18.3 $29.6 21.6% $0.138 $13.0 $30.7 7.7% $0.130 $16.0 $27.6 12.1% $0.116 $21.8 $33.5 $0.117 $15.6 $26.2 $0.122 $16.2 $28.6

### Energy Price Trends (based on AEO 2010)

Import Parameters AEO 2010 (Early Release) Residential Energy Price Projection for Electricity, Nat Gas and LPG from: User Options (GUI) 1 Reference Case Fuel Price Projection Index 1 2 High Growth Scenario Census Division 5 3 LowGrowth Scenario

i.e.AEO 2010 (Early Release) - Reference Case Export Parameters Energy Price For Census Division: 5 to: Summary Electricity Price Natural Gas Price LPG

AEO 2010 (Early Release) - Reference Case (in 2008$ / MMBtu) (in cent / kWh) (in 2008$ / MMBtu) (in 2008$ / MMBtu) Elec Gas LPG Ref. High Low Ref. High Low Ref. High Low Ref. High Low Year Div 1 Trend Relative to 2008 2008 2007 2007 30.0530.0530.05 10.25 10.25 10.2516.13 16.13 16.1328.6728.6728.67 2007 50.04 2008 1.000 1.00 1.14 2008 31.26 31.26 31.26 10.66 10.66 10.6616.64 16.64 16.64 32.82 32.82 32.82 2008 51.88 2009 1.033 0.81 0.97 2009 32.28 32.29 32.30 11.02 11.02 11.0213.55 13.55 13.5527.81 27.81 27.81 2009 48.00 2010 0.940 0.78 0.94 2010 29.3929.4329.35 10.03 10.04 10.0112.96 13.02 12.8926.8726.8726.87 2010 46.62 2011 0.934 0.83 0.94 2011 29.21 29.3029.01 9.97 10.00 9.9013.89 13.97 13.6826.9526.6326.45 2011 43.23 2012 0.963 0.84 0.98 2012 30.09 30.31 29.68 10.27 10.34 10.1314.03 14.18 13.7328.11 27.7027.42 2012 46.39 2013 0.982 0.82 1.02 2013 30.68 31.0530.07 10.47 10.59 10.2613.63 13.84 13.2829.3328.8528.49 2013 47.32 2014 0.979 0.82 1.06 2014 30.61 31.11 29.85 10.44 10.61 10.1813.64 13.94 13.21 30.2829.9029.35 2014 47.61 2015 0.976 0.83 1.08 2015 30.50 31.2329.60 10.41 10.65 10.1013.82 14.27 13.43 30.87 30.94 30.42 2015 47.29 2016 0.981 0.84 1.10 2016 30.6531.5829.74 10.46 10.78 10.1513.91 14.39 13.51 31.51 31.62 31.01 2016 47.05 2017 0.987 0.84 1.12 2017 30.8531.9329.90 10.53 10.89 10.2013.93 14.43 13.50 32.04 32.16 31.44 2017 46.97 2018 0.988 0.84 1.14 2018 30.89 32.0729.70 10.54 10.94 10.1313.98 14.48 13.48 32.63 32.76 31.98 2018 46.85 2019 0.982 0.84 1.15 2019 30.69 32.21 29.39 10.47 10.99 10.0314.05 14.53 13.46 32.88 32.89 32.25 2019 46.78 2020 0.985 0.85 1.16 2020 30.79 32.5729.32 10.51 11.11 10.0014.18 14.63 13.56 33.11 33.1532.28 2020 46.84 2021 0.989 0.86 1.16 2021 30.91 32.6229.22 10.55 11.13 9.9714.33 14.74 13.7533.34 33.52 32.35 2021 46.84 2022 0.988 0.87 1.17 2022 30.89 32.5429.22 10.54 11.10 9.9714.56 14.99 14.12 33.5533.96 32.81 2022 46.99 2023 0.990 0.88 1.18 2023 30.9532.5229.24 10.56 11.10 9.9814.70 15.20 14.30 33.82 34.29 33.00 2023 47.15 2024 0.994 0.89 1.19 2024 31.07 32.7829.09 10.60 11.19 9.9314.76 15.59 14.26 34.09 34.8533.36 2024 47.03 2025 0.993 0.89 1.20 2025 31.0532.9028.81 10.59 11.23 9.8314.85 15.47 13.91 34.3535.24 33.16 2025 46.73 2026 0.996 0.90 1.20 2026 31.13 32.9528.80 10.62 11.24 9.8314.99 15.43 13.9534.50 35.52 33.26 2026 46.81 2027 1.000 0.91 1.21 2027 31.26 33.0328.92 10.66 11.27 9.8715.15 15.71 14.3534.77 35.94 33.57 2027 47.16 2028 1.002 0.93 1.22 2028 31.33 33.0028.84 10.69 11.26 9.8415.41 15.77 14.49 35.02 36.0533.51 2028 47.45 2029 1.014 0.94 1.23 2029 31.71 33.3529.12 10.82 11.38 9.9415.71 16.25 14.89 35.37 36.16 33.64 2029 47.89 2030 1.023 0.96 1.24 2030 31.99 33.6629.34 10.92 11.48 10.0116.01 16.46 15.10 35.59 36.57 34.13 2030 48.42 2031 1.034 0.98 1.25 2031 32.31 34.0029.66 11.03 11.60 10.1216.38 16.90 15.49 35.9536.84 34.33 2031 48.93 2032 1.042 0.99 1.27 2032 32.58 34.2829.89 11.12 11.70 10.2016.55 17.04 15.62 36.28 37.23 34.72 2032 49.25 2033 1.045 1.00 1.28 2033 32.67 34.3729.98 11.15 11.73 10.2316.63 17.14 15.71 36.67 37.60 35.05 2033 49.44 2034 1.051 1.01 1.29 2034 32.86 34.57 30.15 11.21 11.80 10.2916.81 17.32 15.88 37.03 37.99 35.42 2034 49.57 2035 1.058 1.02 1.31 2035 33.08 34.80 30.35 11.29 11.87 10.3616.90 17.41 15.96 37.41 38.37 35.77 2035 49.91 2036 1.065 1.03 1.32 2037 1.072 1.04 1.33 2038 1.078 1.05 1.34 For energy price trend after 2035: 2039 1.085 1.06 1.35 Electricity - the rate of change from 2025 to 2035 is used 2040 1.092 1.08 1.36 Gas - the rate of change from 2020 to 2035 is used Year Div 1 2041 1.099 1.09 1.37 LPG - the rate of change from 2020 to 2035 is used 2007 50.04 2042 1.106 1.10 1.38 2008 51.88 2043 1.113 1.12 1.39 2009 48.02 2044 1.120 1.13 1.40 2010 46.84 2045 1.127 1.14 1.42 2011 43.43 2046 1.134 1.16 1.43 2012 46.76 2047 1.141 1.17 1.44 2013 47.87 2048 1.149 1.18 1.45 2014 48.36 2049 1.156 1.20 1.46 2015 48.38 2050 1.163 1.21 1.47 2016 48.28 2051 1.171 1.22 1.49 2017 48.34 2052 1.178 1.24 1.50 2018 48.39 2053 1.185 1.25 1.51 2019 48.22 2054 1.193 1.27 1.52 2020 48.01 2055 1.201 1.28 1.54 2021 47.81 0 5 10 15 20 25 30 35 40

2005201020152020202520302035

Electricity

Price (AEO2010)

Reference High Low 

### 10 11 12 13 14 15 16 17 18

2005201020152020202520302035

Gas Price (AEO2010)

Reference High Low

### 2056 1.208 1.30 1.55 2022 48.24 2057 1.216 1.31 1.56 2023 48.57 2058 1.224 1.33 1.57 2024 48.90 2059 1.231 1.34 1.59 2025 48.62 2060 1.239 1.36 1.60 2026 48.25 2061 1.247 1.38 1.61 2027 48.58 2062 1.255 1.39 1.63 2028 48.91 2063 1.263 1.41 1.64 2029 49.04 2064 1.271 1.43 1.65 2030 49.27 2065 1.279 1.44 1.67 2031 49.94 2066 1.287 1.46 1.68 2032 50.20 2067 1.295 1.48 1.69 2033 50.43 2068 1.303 1.49 1.71 2034 50.54 2069 1.311 1.51 1.72 2035 50.90 2070 1.320 1.53 1.74 2071 1.328 1.55 1.75 2072 1.337 1.57 1.76 2073 1.345 1.58 1.78 2074 1.354 1.60 1.79 Year Div 1 2075 1.362 1.62 1.81 2007 50.04 2076 1.371 1.64 1.82 2008 51.88 2077 1.379 1.66 1.84 2009 47.98 2078 1.388 1.68 1.85 2010 46.49 2079 1.397 1.70 1.87 2011 42.92 2080 1.406 1.72 1.88 2012 45.76 2081 1.415 1.74 1.90 2013 46.49 2082 1.424 1.76 1.91 2014 46.74 2083 1.433 1.78 1.93 2015 46.41 2084 1.442 1.80 1.94 2016 46.00 2017 45.82 2018 45.50 2019 45.21 2020 45.12 2021 45.12 2022 45.65 2023 45.95 2024 45.60 2025 44.97 2026 45.03 2027 45.32 2028 45.61 2029 46.30 2030 46.81 2031 47.30 2032 47.61 2033 47.80 2034 47.92 2035 48.25 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7

2000 2010 2020 2030 2040 2050 2060 2070 2080



### Electricity

Price Trend

AEO 2010

(Early Release)

-...

0.6 0.8 1.0 1.2 1.4 1.6 1.8

200020102020203020402050206020702080



### Gas Price Trend

AEO 2010 (Early Release)

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### Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 Div 9 Nat. Year Div 1 Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 41.80 29.18 24.89 30.05 25.04 33.42 27.89 35.43 31.82 2007 16.68 14.90 11.55 11.91 16.13 13.85 12.28 10.87 43.58 30.44 25.41 31.26 27.30 37.81 28.82 33.84 33.29 2008 16.79 15.76 12.32 11.80 16.64 14.56 13.34 10.94 41.33 28.75 27.02 32.28 27.88 33.35 28.65 32.18 32.33 2009 14.69 12.72 10.28 10.36 13.55 11.68 10.64 10.15 39.68 28.17 26.82 29.39 26.97 31.56 27.74 32.56 30.94 2010 14.47 12.10 9.77 9.85 12.96 11.08 10.08 9.87 36.86 26.49 25.96 29.21 26.23 29.33 28.49 32.43 29.90 2011 15.09 13.10 10.60 10.75 13.89 11.89 10.97 10.84 40.20 27.61 26.27 30.09 26.57 31.03 28.84 32.98 31.08 2012 15.18 13.27 10.66 10.83 14.03 12.00 11.09 10.84 40.97 27.91 26.49 30.68 26.59 31.18 28.96 33.50 31.47 2013 14.88 12.92 10.30 10.51 13.63 11.67 10.74 10.34 40.40 28.14 26.73 30.61 26.61 31.23 28.94 33.82 31.49 2014 14.73 12.74 10.26 10.43 13.64 11.71 10.75 10.32 40.41 28.28 26.58 30.50 26.40 31.39 28.92 33.57 31.43 2015 14.82 12.83 10.41 10.54 13.82 11.92 10.93 10.47 41.15 28.67 26.58 30.65 26.53 31.91 28.97 33.39 31.64 2016 14.87 12.87 10.49 10.62 13.91 12.03 11.01 10.63 41.74 28.69 26.62 30.85 26.80 32.16 29.06 33.22 31.80 2017 14.89 12.87 10.51 10.65 13.93 12.05 11.00 10.73 42.01 28.67 26.54 30.89 26.85 31.99 29.13 32.97 31.78 2018 14.96 12.90 10.58 10.72 13.98 12.11 11.03 10.84 41.90 28.67 26.44 30.69 26.67 31.98 29.24 32.77 31.68 2019 15.02 12.95 10.65 10.79 14.05 12.21 11.08 10.95 42.32 28.82 26.51 30.79 26.80 32.18 29.67 32.82 31.84 2020 15.10 13.03 10.76 10.90 14.18 12.35 11.19 11.11 42.72 29.05 26.55 30.91 26.86 32.29 30.07 32.88 32.01 2021 15.24 13.15 10.88 11.01 14.33 12.52 11.32 11.18 42.85 29.15 26.58 30.89 26.78 32.49 30.39 32.90 32.08 2022 15.46 13.36 11.08 11.21 14.56 12.76 11.53 11.33 43.24 29.38 26.48 30.95 26.74 32.67 30.62 32.89 32.20 2023 15.52 13.45 11.15 11.22 14.70 12.92 11.65 11.08 43.33 29.66 26.41 31.07 26.77 33.00 30.53 32.65 32.28 2024 15.49 13.45 11.09 11.11 14.76 12.99 11.68 10.78 43.12 29.56 26.22 31.05 26.73 33.21 30.76 32.58 32.26 2025 15.63 13.53 11.15 11.17 14.85 13.08 11.73 10.99 43.33 29.56 26.08 31.13 26.76 33.52 31.26 32.82 32.40 2026 15.81 13.67 11.32 11.35 14.99 13.22 11.83 11.24 43.59 29.66 26.01 31.26 26.78 33.84 31.77 32.95 32.57 2027 16.01 13.83 11.50 11.57 15.15 13.37 11.94 11.49 43.95 29.77 25.96 31.33 26.83 34.21 32.14 33.01 32.73 2028 16.27 14.06 11.76 11.82 15.41 13.64 12.17 11.75 44.77 30.02 26.01 31.71 27.08 34.93 32.65 33.18 33.13 2029 16.57 14.33 12.01 12.06 15.71 13.95 12.43 11.98 44.97 30.28 26.16 31.99 27.28 35.59 33.13 33.39 33.46 2030 16.87 14.61 12.30 12.34 16.01 14.31 12.74 12.21 45.48 30.39 26.32 32.31 27.49 36.26 33.67 33.64 33.81 2031 17.22 14.95 12.63 12.67 16.38 14.70 13.08 12.52 45.91 30.58 26.54 32.58 27.58 36.86 34.11 33.81 34.11 2032 17.40 15.10 12.77 12.83 16.55 14.83 13.17 12.69 46.12 30.67 26.46 32.67 27.66 37.24 34.44 33.90 34.26 2033 17.52 15.19 12.85 12.93 16.63 14.90 13.18 12.84 46.49 31.01 26.53 32.86 27.86 37.54 34.84 34.04 34.49 2034 17.75 15.39 13.07 13.14 16.81 15.12 13.36 13.06 46.65 31.14 26.85 33.08 27.93 37.87 35.19 34.18 34.71 2035 17.90 15.51 13.24 13.32 16.90 15.34 13.53 13.21

Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 Div 9 Nat. Year Div 1 Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 41.80 29.18 24.89 30.05 25.04 33.42 27.89 35.43 31.82 2007 16.68 14.90 11.55 11.91 16.13 13.85 12.28 10.87 43.58 30.44 25.41 31.26 27.30 37.81 28.82 33.84 33.29 2008 16.79 15.76 12.32 11.80 16.64 14.56 13.34 10.94 41.40 28.78 27.02 32.29 27.89 33.34 28.65 32.18 32.35 2009 14.69 12.72 10.28 10.36 13.55 11.68 10.64 10.15 39.77 28.24 27.45 29.43 26.96 31.58 27.84 32.67 31.04 2010 14.55 12.16 9.83 9.92 13.02 11.14 10.13 9.96 37.09 26.59 26.80 29.30 26.27 29.40 28.70 32.67 30.08 2011 15.17 13.19 10.67 10.83 13.97 11.96 11.04 10.94 40.64 27.96 27.06 30.31 26.77 31.42 29.15 33.37 31.43 2012 15.31 13.40 10.79 10.96 14.18 12.14 11.24 11.00 41.83 28.49 27.32 31.05 26.93 31.66 29.57 34.09 32.00 2013 15.09 13.13 10.49 10.69 13.84 11.87 10.94 10.50 41.24 28.94 27.58 31.11 27.10 31.74 29.66 34.59 32.13 2014 15.02 13.02 10.53 10.69 13.94 12.01 11.05 10.61 41.35 29.35 27.54 31.23 27.12 32.24 29.88 34.54 32.30 2015 15.26 13.24 10.82 10.94 14.27 12.36 11.36 10.84 42.03 29.91 27.56 31.58 27.45 32.78 30.30 34.51 32.66 2016 15.29 13.30 10.93 11.04 14.39 12.49 11.47 11.12 43.08 29.96 27.61 31.93 27.85 33.31 30.37 34.48 32.98 2017 15.38 13.32 10.97 11.09 14.43 12.53 11.47 11.23 43.60 30.13 27.66 32.07 28.06 33.22 30.53 34.27 33.09 2018 15.44 13.36 11.04 11.18 14.48 12.60 11.50 11.36 43.80 30.49 27.66 32.21 28.13 33.26 30.58 34.10 33.18 2019 15.51 13.41 11.11 11.26 14.53 12.66 11.54 11.51 44.17 30.74 27.80 32.57 28.43 33.51 31.24 34.22 33.46 2020 15.57 13.48 11.21 11.36 14.63 12.79 11.63 11.65 44.54 30.73 27.97 32.62 28.48 33.63 31.62 34.18 33.57 2021 15.74 13.59 11.23 11.35 14.74 12.92 11.72 11.63 Electricity Regional Price Forecasts Natural Gas Regional Price Forecasts

(in 2008$ / MMBtu) (in 2008$ / MMBtu)

Updated Regional Residential Electricity Price Forecasts - High Growth Scenario (in 2008$ / MMBtu) Updated Regional Residential Natural Gas Price Forecasts - High Growth Scenario (in 2008$ / MMBtu)

### 44.65 30.58 28.01 32.54 28.45 33.92 31.93 34.24 33.62 2022 16.01 13.84 11.51 11.65 14.99 13.17 11.93 11.85 44.90 30.65 27.86 32.52 28.35 34.12 32.29 34.51 33.72 2023 16.07 13.96 11.58 11.69 15.20 13.27 12.02 11.61 45.38 31.00 27.94 32.78 28.44 34.83 32.32 34.34 33.99 2024 16.27 14.19 11.73 11.72 15.59 13.70 12.35 11.37 45.13 31.10 27.84 32.90 28.55 35.46 32.47 34.19 34.10 2025 16.29 14.17 11.75 11.74 15.47 13.75 12.39 11.48 44.91 31.09 27.70 32.95 28.55 35.80 33.12 34.51 34.20 2026 16.31 14.16 11.79 11.78 15.43 13.78 12.39 11.59 44.81 31.25 27.72 33.03 28.54 36.03 33.47 34.55 34.30 2027 16.54 14.36 11.93 11.96 15.71 13.90 12.47 11.74 45.02 31.37 27.74 33.00 28.54 36.20 33.79 34.59 34.39 2028 16.68 14.46 12.07 12.12 15.77 13.99 12.55 11.98 45.80 31.60 27.84 33.35 28.79 36.66 34.34 34.76 34.73 2029 17.00 14.78 12.27 12.33 16.25 14.21 12.72 12.20 45.80 31.68 27.87 33.66 29.03 37.11 34.67 34.90 34.96 2030 17.24 14.99 12.52 12.55 16.46 14.58 13.05 12.35 46.43 31.90 28.10 34.00 29.24 37.93 35.32 35.19 35.39 2031 17.63 15.37 12.88 12.92 16.90 14.97 13.39 12.71 46.81 32.04 28.30 34.28 29.34 38.49 35.74 35.35 35.67 2032 17.80 15.51 13.02 13.06 17.04 15.10 13.48 12.85 47.06 32.17 28.23 34.37 29.42 38.93 36.11 35.45 35.84 2033 17.94 15.62 13.10 13.17 17.14 15.17 13.49 13.02 47.41 32.51 28.30 34.57 29.64 39.22 36.52 35.60 36.08 2034 18.17 15.82 13.32 13.39 17.32 15.40 13.67 13.24 47.59 32.65 28.65 34.80 29.71 39.57 36.89 35.75 36.31 2035 18.33 15.94 13.50 13.57 17.41 15.63 13.84 13.39

Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 Div 9 Nat. Year Div 1 Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 41.80 29.18 24.89 30.05 25.04 33.42 27.89 35.43 31.82 2007 16.68 14.90 11.55 11.91 16.13 13.85 12.28 10.87 43.58 30.44 25.41 31.26 27.30 37.81 28.82 33.84 33.29 2008 16.79 15.76 12.32 11.80 16.64 14.56 13.34 10.94 41.33 28.74 27.02 32.30 27.88 33.34 28.64 32.18 32.33 2009 14.69 12.72 10.28 10.36 13.55 11.68 10.64 10.15 39.57 28.08 26.82 29.35 26.94 31.48 27.68 32.48 30.88 2010 14.41 12.04 9.71 9.79 12.89 11.01 10.01 9.80 36.50 26.23 25.81 29.01 26.05 29.06 28.28 32.23 29.67 2011 14.89 12.90 10.41 10.57 13.68 11.68 10.76 10.67 39.27 27.14 26.03 29.68 26.24 30.40 28.43 32.61 30.60 2012 14.89 12.98 10.38 10.56 13.73 11.71 10.80 10.57 39.67 27.19 26.13 30.07 26.06 30.32 28.43 32.95 30.78 2013 14.54 12.59 9.97 10.19 13.28 11.33 10.41 10.00 38.92 27.16 26.20 29.85 25.93 30.54 28.32 33.23 30.70 2014 14.32 12.34 9.86 10.04 13.21 11.30 10.34 9.94 38.42 26.92 26.01 29.60 25.57 30.62 28.15 32.95 30.46 2015 14.44 12.47 10.04 10.18 13.43 11.54 10.55 10.05 39.12 27.70 25.97 29.74 25.76 30.89 28.20 32.69 30.68 2016 14.46 12.48 10.10 10.23 13.51 11.63 10.62 10.20 40.21 27.76 25.98 29.90 25.98 31.32 28.05 32.37 30.87 2017 14.46 12.46 10.09 10.23 13.50 11.63 10.58 10.21 40.34 27.57 25.76 29.70 25.84 31.08 28.00 31.85 30.68 2018 14.44 12.42 10.08 10.23 13.48 11.61 10.54 10.26 40.15 27.36 25.58 29.39 25.51 30.69 27.91 31.52 30.40 2019 14.44 12.41 10.09 10.24 13.46 11.61 10.51 10.36 40.26 27.48 25.54 29.32 25.61 30.82 28.29 31.62 30.46 2020 14.48 12.46 10.17 10.31 13.56 11.74 10.58 10.46 40.96 27.75 25.53 29.22 25.60 30.88 28.53 31.45 30.55 2021 14.68 12.61 10.28 10.38 13.75 11.97 10.78 10.52 41.28 27.78 25.55 29.22 25.50 31.24 28.96 31.58 30.69 2022 15.00 12.94 10.64 10.75 14.12 12.37 11.13 10.79 41.63 27.90 25.43 29.24 25.33 31.48 29.44 31.69 30.81 2023 15.04 13.02 10.68 10.75 14.30 12.47 11.20 10.57 41.15 28.03 25.30 29.09 25.12 31.96 29.02 31.39 30.71 2024 14.93 12.92 10.54 10.57 14.26 12.41 11.10 10.24 40.57 27.77 25.01 28.81 24.83 31.77 29.17 31.05 30.43 2025 14.80 12.72 10.45 10.50 13.91 12.33 10.99 10.31 40.72 27.88 24.88 28.80 24.75 31.61 29.65 31.31 30.47 2026 14.92 12.79 10.56 10.62 13.95 12.39 11.02 10.54 41.18 28.19 24.88 28.92 24.75 31.04 30.06 31.29 30.53 2027 15.21 13.05 10.71 10.81 14.35 12.51 11.10 10.74 41.34 28.07 24.70 28.84 24.62 31.54 30.01 31.24 30.55 2028 15.40 13.23 10.97 11.04 14.49 12.85 11.37 10.96 42.07 28.05 24.63 29.12 24.72 32.38 30.63 31.46 30.91 2029 15.79 13.59 11.30 11.35 14.89 13.26 11.73 11.25 42.45 28.18 24.65 29.34 24.83 33.21 31.17 31.64 31.22 2030 16.11 13.88 11.68 11.73 15.10 13.67 12.11 11.60 42.84 28.34 24.86 29.66 25.06 33.73 31.64 31.88 31.54 2031 16.43 14.19 11.94 11.99 15.49 14.00 12.39 11.82 43.29 28.49 25.03 29.89 25.12 34.34 32.08 32.04 31.83 2032 16.61 14.34 12.10 12.16 15.62 14.15 12.49 12.02 43.47 28.59 24.97 29.98 25.20 34.67 32.37 32.12 31.96 2033 16.73 14.42 12.16 12.25 15.71 14.20 12.50 12.14 43.82 28.90 25.03 30.15 25.38 34.96 32.75 32.26 32.19 2034 16.95 14.62 12.37 12.46 15.88 14.42 12.67 12.36 43.97 29.02 25.34 30.35 25.44 35.26 33.08 32.39 32.39 2035 17.09 14.73 12.54 12.62 15.96 14.63 12.82 12.50 Updated Regional Residential Electricity Price Forecasts - LowGrowth Scenario (in 2008$ / MMBtu) Updated Regional Residential Natural Gas Price Forecasts - LowGrowth Scenario (in 2008$ / MMBtu)

### Div 9 Nat. Year Div 1 Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 Div 9 Nat. 11.92 12.94 2007 31.19 30.76 22.56 22.56 28.67 27.75 27.75 23.98 28.95 26.25 12.40 13.48 2008 34.05 33.69 26.37 23.08 32.82 30.87 30.44 28.23 34.34 29.35 11.25 11.39 2009 28.85 28.55 22.34 19.55 27.81 26.16 25.79 23.93 29.10 24.90 10.79 10.89 2010 27.07 27.17 21.82 19.25 26.87 25.39 25.18 23.34 26.28 24.01 11.61 11.78 2011 27.15 27.25 21.90 19.34 26.95 25.48 25.26 23.43 26.36 24.09 11.65 11.87 2012 28.31 28.41 23.06 20.49 28.11 26.63 26.42 24.58 27.52 25.25 11.07 11.48 2013 29.52 29.62 24.28 21.71 29.33 27.85 27.63 25.80 28.73 26.47 11.00 11.41 2014 30.48 30.58 25.23 22.67 30.28 28.81 28.59 26.76 29.69 27.44 11.16 11.56 2015 31.07 31.17 25.82 23.25 30.87 29.39 29.18 27.34 30.28 28.03 11.31 11.65 2016 31.71 31.81 26.46 23.89 31.51 30.03 29.82 27.98 30.92 28.67 11.42 11.69 2017 32.24 32.34 26.99 24.43 32.04 30.57 30.35 28.52 31.45 29.21 11.52 11.76 2018 32.82 32.92 27.58 25.01 32.63 31.15 30.94 29.10 32.04 29.80 11.61 11.83 2019 33.08 33.18 27.83 25.26 32.88 31.40 31.19 29.35 32.29 30.06 11.76 11.95 2020 33.31 33.41 28.06 25.49 33.11 31.63 31.42 29.58 32.52 30.29 11.82 12.07 2021 33.54 33.64 28.29 25.72 33.34 31.87 31.65 29.82 32.75 30.53 11.92 12.26 2022 33.74 33.84 28.50 25.93 33.55 32.07 31.86 30.02 32.96 30.73 11.79 12.29 2023 34.02 34.12 28.77 26.20 33.82 32.35 32.13 30.30 33.23 31.01 11.44 12.20 2024 34.29 34.39 29.04 26.47 34.09 32.61 32.40 30.56 33.50 31.28 11.57 12.29 2025 34.55 34.65 29.30 26.73 34.35 32.87 32.66 30.82 33.76 31.55 11.78 12.46 2026 34.70 34.80 29.45 26.88 34.50 33.02 32.81 30.97 33.91 31.70 12.04 12.66 2027 34.97 35.07 29.72 27.15 34.77 33.29 33.08 31.24 34.18 31.98 12.25 12.90 2028 35.22 35.32 29.97 27.40 35.02 33.54 33.33 31.49 34.43 32.23 12.49 13.16 2029 35.57 35.67 30.32 27.75 35.37 33.89 33.68 31.84 34.78 32.59 12.71 13.44 2030 35.79 35.89 30.54 27.97 35.59 34.12 33.90 32.07 35.00 32.81 13.01 13.78 2031 36.15 36.25 30.90 28.33 35.95 34.47 34.26 32.42 35.36 33.17 13.18 13.93 2032 36.48 36.58 31.23 28.66 36.28 34.80 34.59 32.75 35.69 33.51 13.31 14.03 2033 36.86 36.96 31.62 29.05 36.67 35.19 34.98 33.14 36.08 33.90 13.56 14.25 2034 37.22 37.32 31.98 29.41 37.03 35.55 35.34 33.50 36.44 34.26 13.73 14.40 2035 37.61 37.71 32.36 29.79 37.41 35.93 35.72 33.88 36.82 34.65

Div 9 Nat. Year Div 1 Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 Div 9 Nat. 11.92 12.94 2007 31.19 30.76 22.56 22.56 28.67 27.75 27.75 23.98 28.95 26.25 12.40 13.48 2008 34.05 33.69 26.37 23.08 32.82 30.87 30.44 28.23 34.34 29.35 11.25 11.39 2009 28.85 28.55 22.34 19.55 27.81 26.16 25.79 23.93 29.10 24.90 10.89 10.96 2010 27.07 27.17 21.82 19.25 26.87 25.39 25.18 23.34 26.28 24.01 11.70 11.86 2011 26.82 26.92 21.58 19.02 26.63 25.15 24.94 23.10 26.04 23.77 11.81 12.01 2012 27.89 27.99 22.65 20.09 27.70 26.22 26.01 24.17 27.11 24.84 11.22 11.66 2013 29.04 29.14 23.81 21.24 28.85 27.37 27.16 25.32 28.26 26.00 11.26 11.69 2014 30.09 30.19 24.85 22.29 29.90 28.42 28.21 26.37 29.31 27.06 11.51 11.96 2015 31.14 31.24 25.89 23.32 30.94 29.46 29.25 27.41 30.35 28.10 11.76 12.10 2016 31.81 31.91 26.56 23.99 31.62 30.14 29.92 28.09 31.03 28.78 11.89 12.16 2017 32.35 32.45 27.11 24.53 32.16 30.68 30.47 28.63 31.57 29.33 11.96 12.23 2018 32.95 33.05 27.71 25.13 32.76 31.28 31.06 29.23 32.17 29.94 12.09 12.31 2019 33.08 33.18 27.84 25.27 32.89 31.41 31.20 29.36 32.30 30.07 12.22 12.42 2020 33.34 33.44 28.10 25.53 33.15 31.67 31.45 29.62 32.56 30.34 12.21 12.47 2021 33.71 33.82 28.47 25.89 33.52 32.04 31.83 29.99 32.93 30.71 LPG Regional Price Forecasts (in 2008$ / MMBtu)

Updated Regional Residential LPG Price Forecasts - High Growth Scenario (in 2008$ / MMBtu)

### 12.46 12.73 2022 34.16 34.26 28.90 26.33 33.96 32.48 32.27 30.43 33.37 31.16 12.37 12.77 2023 34.49 34.59 29.24 26.66 34.29 32.81 32.60 30.76 33.70 31.50 12.04 12.87 2024 35.04 35.14 29.79 27.21 34.85 33.37 33.15 31.31 34.25 32.05 12.09 12.89 2025 35.44 35.54 30.18 27.60 35.24 33.76 33.54 31.71 34.64 32.45 12.17 12.92 2026 35.71 35.82 30.46 27.88 35.52 34.04 33.82 31.98 34.92 32.74 12.32 13.09 2027 36.13 36.23 30.87 28.30 35.94 34.45 34.24 32.40 35.34 33.16 12.46 13.22 2028 36.24 36.35 30.99 28.41 36.05 34.57 34.35 32.51 35.45 33.28 12.70 13.49 2029 36.36 36.46 31.10 28.53 36.16 34.68 34.46 32.63 35.56 33.40 12.85 13.71 2030 36.77 36.87 31.51 28.94 36.57 35.09 34.88 33.04 35.98 33.81 13.19 14.08 2031 37.04 37.14 31.79 29.21 36.84 35.36 35.15 33.31 36.25 34.09 13.35 14.23 2032 37.43 37.53 32.17 29.60 37.23 35.75 35.54 33.70 36.64 34.48 13.49 14.33 2033 37.80 37.90 32.55 29.98 37.60 36.12 35.91 34.07 37.01 34.86 13.74 14.55 2034 38.18 38.28 32.93 30.36 37.99 36.51 36.29 34.46 37.39 35.25 13.91 14.71 2035 38.57 38.67 33.32 30.75 38.37 36.90 36.68 34.85 37.78 35.64

Div 9 Nat. Year Div 1 Div 2 Div 3 Div 4 Div 5 Div 6 Div 7 Div 8 Div 9 Nat. 11.92 12.94 2007 31.19 30.76 22.56 22.56 28.67 27.75 27.75 23.98 28.95 26.25 12.40 13.48 2008 34.05 33.69 26.37 23.08 32.82 30.87 30.44 28.23 34.34 29.35 11.25 11.39 2009 28.85 28.55 22.34 19.55 27.81 26.16 25.79 23.93 29.10 24.90 10.73 10.83 2010 27.07 27.17 21.82 19.25 26.87 25.39 25.18 23.34 26.28 24.01 11.45 11.59 2011 26.65 26.75 21.41 18.85 26.45 24.98 24.76 22.93 25.87 23.60 11.39 11.59 2012 27.61 27.71 22.38 19.82 27.42 25.94 25.73 23.90 26.83 24.57 10.76 11.14 2013 28.68 28.78 23.46 20.90 28.49 27.01 26.80 24.97 27.90 25.64 10.64 11.01 2014 29.55 29.65 24.32 21.77 29.35 27.88 27.67 25.84 28.77 26.51 10.76 11.18 2015 30.62 30.72 25.38 22.82 30.42 28.94 28.73 26.90 29.83 27.57 10.91 11.25 2016 31.20 31.30 25.97 23.41 31.01 29.53 29.32 27.49 30.42 28.16 10.93 11.25 2017 31.63 31.73 26.40 23.84 31.44 29.96 29.75 27.92 30.85 28.60 10.97 11.25 2018 32.18 32.28 26.94 24.38 31.98 30.51 30.29 28.46 31.40 29.14 11.06 11.27 2019 32.45 32.55 27.21 24.65 32.25 30.77 30.56 28.73 31.66 29.41 11.16 11.35 2020 32.48 32.58 27.24 24.68 32.28 30.81 30.59 28.76 31.69 29.45 11.24 11.48 2021 32.54 32.64 27.31 24.75 32.35 30.87 30.66 28.83 31.76 29.52 11.50 11.82 2022 33.01 33.11 27.77 25.21 32.81 31.34 31.13 29.29 32.23 29.99 11.38 11.84 2023 33.20 33.30 27.96 25.40 33.00 31.53 31.31 29.48 32.42 30.18 10.98 11.66 2024 33.56 33.66 28.32 25.75 33.36 31.88 31.67 29.84 32.77 30.54 10.98 11.55 2025 33.36 33.46 28.12 25.56 33.16 31.69 31.47 29.64 32.58 30.34 11.14 11.66 2026 33.46 33.56 28.23 25.67 33.26 31.79 31.58 29.74 32.68 30.45 11.33 11.87 2027 33.77 33.87 28.53 25.97 33.57 32.09 31.88 30.05 32.98 30.75 11.53 12.09 2028 33.71 33.81 28.48 25.92 33.51 32.04 31.82 29.99 32.93 30.70 11.82 12.44 2029 33.84 33.94 28.61 26.05 33.64 32.17 31.96 30.12 33.06 30.84 12.16 12.78 2030 34.33 34.43 29.10 26.54 34.13 32.66 32.44 30.61 33.55 31.32 12.38 13.05 2031 34.53 34.63 29.29 26.73 34.33 32.86 32.64 30.81 33.75 31.53 12.58 13.22 2032 34.91 35.01 29.68 27.12 34.72 33.24 33.03 31.20 34.13 31.92 12.69 13.30 2033 35.25 35.35 30.01 27.45 35.05 33.58 33.36 31.53 34.47 32.25 12.93 13.51 2034 35.61 35.71 30.37 27.81 35.42 33.94 33.73 31.89 34.83 32.62 13.09 13.66 2035 35.97 36.07 30.73 28.16 35.77 34.30 34.08 32.25 35.19 32.98 Updated Regional Residential LPG Price Forecasts - LowGrowth Scenario (in 2008$ / MMBtu)Discount Rate

Export Parameters DISCOUNT RATE (Real Interest Rate) FOR REPLACEMENT/RETROFIT ONLY Distribution of Real Interest Rates REAL Gains and Losses for Various Assets to: Summary RECS id#2540 Finance Method Share Min Max Mean 1st Mortgage Home Equity Credit Card Installment LoansOther Residence Other LOC SavingsCD - 6mo.TreasuryCorp AAAStocks Mutual Discount Rate 7.7% 1Home Equity Loans (after tax) 3.7%0.4%42.5%3.9% rate wt rate wt rate wt rate wt rate wt rate wt YearAccounts CDs Sav BondsBonds S&P 500 Fund 2Credit card 2.1%0.0%36.9%10.7% 0.5% 0.0590.0040.0890.0000.055 0.0000.345 0.2%0.1290.1% 0.043 1977 -0.6% 1.2% 1.4% -12.7% -8.0% 3Other Installment Loans 1.6%0.0%93.5%6.0% 1.6% 0.1920.0150.0840.0140.019 0.0140.020 1.5%0.0611.4% 0.033 1978 0.9% 0.8% 1.1% -1.0% -0.4% 4Other Residence Loans 5.3%0.2%17.9%4.4% 2.5% 0.2800.0260.1540.0250.019 0.0240.040 2.5%0.0842.5% 0.014 1979 0.1% -1.9% -1.5% 6.4% 3.7% 5Other Line of Credit 0.5%0.1%54.1%8.8% 3.5% 0.2440.0350.2570.0350.033 0.0340.053 3.5%0.1533.5% 0.044 1980 -0.5% -2.0% -1.4% 16.1% 10.1% 6Checking Accounts 4.4%0.0%0.0%0.0% 4.4% 0.1470.0450.1800.0450.044 0.0450.057 4.5%0.1494.5% 0.065 1981 5.0% 2.8% 3.5% -13.6% -8.1% 7Savings and Money Market 15.3%0.0%4.0%2.3% 5.4% 0.0430.0540.1120.0560.061 0.0560.067 5.5%0.1775.5% 0.124 1982 6.0% 6.2% 7.2% 13.4% 11.0% 8CD (6 month) 8.6%-1.1%6.1%2.2% 6.4% 0.0200.0640.0470.0670.070 0.0670.075 6.5%0.1276.7% 0.094 1983 5.9% 7.7% 8.6% 18.5% 14.9% 9Savings Bonds (Treasury) 1.4%-2.0%7.8%3.4% 7.4% 0.0070.0750.0360.0750.040 0.0750.033 7.5%0.0597.6% 0.052 1984 5.5% 6.1% 7.8% 8.0% 1.8% 3.8% 10Bonds (Corporate AAA) 9.5%-1.5%8.6%4.1% 8.5% 0.0040.0850.0190.0870.060 0.0860.040 8.6%0.0258.7% 0.090 1985 5.4% 4.5% 7.0% 7.5% 26.7% 20.1% 11Stocks (S&P 500) 29.0%-38.9%33.4%7.7% 9.5% 0.0020.0950.0090.0960.055 0.0950.037 9.4%0.0149.5% 0.089 1986 6.0% 4.6% 5.8% 7.0% 16.3% 12.8% 12Mutual Funds (stock/bond) 18.6%-25.8%23.6%6.2% 10.5% 0.0010.1060.0060.1060.052 0.1060.029 10.6%0.00410.5% 0.068 1987 3.3% 3.2% 4.8% 5.5% 2.1% 3.0% Total 100% wt.avg. 5.1% 11.6% 0.0010.1180.0020.1150.058 0.1150.019 11.6%0.00511.6% 0.063 1988 3.1% 3.6% 4.6% 5.4% 11.9% 9.5% 12.4% 0.0010.1270.0030.1260.049 0.1250.027 12.6%0.00412.5% 0.065 1989 3.0% 4.1% 3.5% 4.2% 25.4% 18.1% Finanace Method # Sampled 11 13.5% 0.0000.1370.0000.1360.044 0.1350.019 14.7%0.00513.5% 0.019 1990 2.4% 2.6% 3.0% 3.7% -8.0% -4.3% Real Interest Rate for that method7.7% 14.4% 0.0000.1470.0020.1470.087 0.1470.037 15.7%0.00114.7% 0.040 1991 2.7% 1.6% 3.8% 4.4% 25.0% 17.9% 16.7% 0.0000.1670.0000.1560.074 0.1560.017 16.6%0.00315.6% 0.018 1992 2.1% 0.7% 4.5% 5.0% 4.4% 4.4% 22.9% 0.0000.1750.0000.1640.055 0.1650.019 17.9%0.00116.5% 0.027 1993 1.1% 0.3% 3.5% 4.1% 6.8% 5.7%

0.4250.0010.1760.053 0.1760.019 17.3% 0.011 1994 1.3% 2.3% 4.7% 5.3% -1.2% 0.8%

0.1850.019 0.1850.012 18.5% 0.006 1995 2.2% 3.1% 3.9% 4.6% 33.4% 23.6% 0.1940.023 0.1940.007 19.1% 0.012 1996 2.0% 2.4% 3.6% 4.3% 20.3% 14.7% 0.2050.012 0.2050.007 20.2% 0.009 1997 2.7% 3.4% 4.2% 4.9% 28.9% 20.7% 0.2140.005 0.2150.005 21.5% 0.007 1998 3.4% 3.8% 4.0% 4.9% 26.4% 18.9% 0.2250.003 0.2230.002 22.1% 0.002 1999 2.3% 3.2% 3.6% 4.7% 18.3% 13.4% 0.2360.001 0.2340.003 23.5% 0.002 2000 1.7% 3.1% 2.5% 4.1% -12.0% -7.2% 0.2460.003 0.2460.004 25.4% 0.004 2001 1.8% 0.8% 2.6% 4.1% -14.3% -8.7% 0.2550.003 0.2530.003 54.1% 0.002 2002 1.3% 0.2% 3.8% 4.8% -23.2% -14.2% 0.2630.002 0.2660.000 2003 -0.2% -1.1% 2.6% 3.3% 25.5% 17.9% 0.2730.000 0.2780.000 2004 -0.7% -0.9% 2.3% 2.9% 7.9% 6.0% 0.2840.000 0.2850.000 2005 -0.1% 0.3% 1.2% 1.8% 1.4% 1.3% 0.2930.000 0.2930.001 2006 1.1% 2.0% 1.6% 2.3% 12.0% 8.5% 0.3690.000 0.3410.000 2007 2.0% 2.3% 1.9% 2.6% 2.6% 2.4%

0.3610.000 2008 0.2% -0.7% 0.4% 1.7% -38.9% -25.8% 0.4360.000 2009 3.6% 1.2% 4.5% 5.7% 26.4% 19.1% 0.4430.000 Avg. 2.3% 2.2% 3.4% 4.1% 7.7% 6.2% 0.4720.000 2 X Avg. 4.5% 4.5% 6.7% 8.2% 15.3% 12.5% 0.9350.000 Min -0.7% -1.1% -2.0% -1.5% -38.9% -25.8% Avg. 3.0% 100%3.9% 100%10.7% 100%6.0% 100%4.4% 100%8.8% 100% Max 6.0% 6.1% 7.8% 8.6% 33.4% 23.6% Min 0.5% 0.4% 0.0% 0.0% 0.2% 0.1% Std. Dev.1.7% 2.1% 2.3% 2.3% 16.9% 11.5% Max22.9% 42.5% 36.9% 93.5% 17.9% 54.1% Source: Golden West Financial Corporation, Federal Reserve, and Demodaran Online Dist. 3.0% 3.9% 10.7% 6.0% 4.4% 8.8% Sources: Estimate using 1989, 1992, 1998, 1998, 2001, 2004, and 2007 Survey of Consumer FinancesLifetime

Lifetime

Export Parameters to: Summary

Lifetime 10.0 years

Source: See Appendix 8-C

Assumptions Lifetime distribution (years) Mean min max max percentile 10 3 20 0.995

Calculated Values for Weibull Functions Lifetime distribution (years) Beta Alpha Likeliest valueSolver Error 2.18 7.90 9 0.0 (Shape)(Scale)

Page 5525Worksheet Cell AddressForecast Name Forecast Units DataSet Count Median Min Max Average 5% 25% 50% 75% 95% Energy Use I18 Pool Heating Load MMBtu 1 10000 21.43284 1.54128184.2913826.3682864 1.5412810.9134607 21.4328432.252960187.7638183 100% Base Case Efficiency C12 Base Case Efficiency 1 10000 0.82 0.78 0.95 0.816616 0.790.79 0.82 0.82 0.86 100% LCC&Payback Calcs D6 Lifetime years 1 100009.651416363.1390344424.77239689.973188985.073908677.4460578 9.6503475412.114797716.0929536 100% LCC&Payback Calcs D7 DiscountRate 1 100000.04010016 00.540522610.05159230.000449990.020473510.040099950.076349420.1327603 100% Equipment Price Q16 BaseMarkup 2 10000 1.76851.57570271 1.76851.71335561.582736081.6104825 1.7685 1.7685 1.7685 100% Equipment Price Q17 IncrMarkup 3 10000 1.39861.29557778 1.39861.37099131.301360771.3241745 1.3986 1.3986 1.3986 100% LCC&Payback Calcs D33 Average Natural Gas Prices 1 8146 12.4638 11.6413 17.8638 13.4329 11.641311.6413 12.4638 14.129 17.8638 81% LCC&Payback Calcs D34 Average LPG Prices 1 1854 28.824 20.0978 34.264 29.2718 20.097828.47 28.824 29.2001 34.264 19% LCC&Payback Calcs D35 Average Electricity Prices 1 10000 0.114 0.0789 0.1714 0.1164 0.0910.0985 0.114 0.1363 0.1598 100% Maint. And Repair Cost D30 Component failure - % Pilot Ignition Repair 1 10000 0 0 1 0.4115 00 0 1 1 100% Maint. And Repair Cost D31 Component failure - % Electronic Ignition Repair 1 10000 0 0 1 0.0873 00 0 0 1 100% Maint. And Repair Cost D32 Component failure - % Power Vent Repair 1 10000 0 0 1 0.0593 00 0 0 1 100% Energy Use D14 Annual Gas Use - level00 MMBtu 05 10000 27.478 1.976 236.27134.1385564 2.50614.36 27.47841.6492691113.635836 100% Energy Use D15 Annual Gas Use - level01 MMBtu 05 1000027.13017721.95098734233.38714833.71076212.4742784814.178227827.130177241.1220631112.197407 100% Energy Use D16 Annual Gas Use - level02 MMBtu 05 1000026.46029631.90281481227.83306332.88686192.4131851913.828148126.460296340.1162871109.478377 100% Energy Use D17 Annual Gas Use - level03 MMBtu 05 1000026.13760981.87960976225.15761932.48998322.383756113.659512226.137609839.6327053108.18864 100% Energy Use D18 Annual Gas Use - level04 MMBtu 05 1000025.82269881.85696386222.03780731.76901981.8569638613.148747925.822698838.8589881105.73954 100% Energy Use D19 Annual Gas Use - level05 MMBtu 05 1000025.51528571.83485714 219.394531.39081711.8348571412.992215125.515285738.3963811104.480736 100% Energy Use D20 Annual Gas Use - level06 MMBtu 05 1000024.9219071.79218605214.29230230.66079811.7921860512.6900706 24.92190737.503442102.050951 100% Energy Use D21 Annual Gas Use - level07 MMBtu 05 1000023.81426671.71253333 204.768229.2980961.7125333312.126067523.814266735.836622497.5153536 100% Energy Use D22 Annual Gas Use - level08 MMBtu 05 1000022.5608842 1.6224193.99092627.7560909 1.622411.487853422.560884233.950484392.3829666 100% Energy Use E14 Annual Electricity Use - level00 kWh 06 100002.38723981 06.541336032.29854653 01.6222487 2.387205283.060182123.99004712 100% Energy Use E15 Annual Electricity Use - level01 kWh 06 100002.38431042 06.501459072.29554643 01.618255482.383913443.057069593.98440957 100% Energy Use E16 Annual Electricity Use - level02 kWh 06 100002.37913483 0 6.4246592.28976847 01.612833862.379129163.050121743.97753716 100% Energy Use E17 Annual Electricity Use - level03 kWh 06 100002.37499925 06.387663842.28698518 01.61053571 2.37487473.047310183.97202176 100% Energy Use E18 Annual Electricity Use - level04 kWh 06 100006.759094260.5748190780.36416258.500103472.607031774.6062764 6.759030169.9294487120.4125727 100% Energy Use E19 Annual Electricity Use - level05 kWh 06 100006.704619340.5713669779.4478168.42549442.594072184.577139636.704542459.8365761120.1843403 100% Energy Use E20 Annual Electricity Use - level06 kWh 06 100006.601653860.5647036277.67905428.281481542.572164764.518047826.601466149.6699032919.7437987 100% Energy Use E21 Annual Electricity Use - level07 kWh 06 100006.40896560.5522653574.37736548.012657542.526523564.41564305 6.40866649.3407341618.9423522 100% Energy Use E22 Annual Electricity Use - level08 kWh 06 100006.198243270.5381904870.64124387.708461972.481769014.297935446.197933758.9708162918.0649291 100% Energy Use C14 Burner Oper. Hr. - level00 kWh 7 1000091.4958718 4.94 1575.14128.24813511.543024847.04 91.4943455 156.008369.705821 100% Energy Use C15 Burner Oper. Hr. - level01 kWh 7 1000090.33769624.877468351555.20152126.62474111.396910646.444557 90.3361892154.033215365.026001 100% Energy Use C16 Burner Oper. Hr. - level02 kWh 7 1000088.10713584.757037041516.80148123.49820411.115505445.2977778 88.105666150.229926356.013013 100% Energy Use C17 Burner Oper. Hr. - level03 kWh 7 1000087.03265864.699024391498.3039121.99212910.979950544.745365987.0312067148.397854351.671391 100% Energy Use C18 Burner Oper. Hr. - level04 kWh 7 1000085.98407234.642409641480.25205120.52234410.847661944.206265185.9826379146.609928347.434386 100% Energy Use C19 Burner Oper. Hr. - level05 kWh 7 1000084.96045244.58714286 1462.63119.08755410.718523143.68 84.9590351144.864571343.298263 100% Energy Use C20 Burner Oper. Hr. - level06 kWh 7 1000082.98462794.480465121428.61535116.31807610.469255142.664186 82.9832436141.495628335.314582 100% Energy Use C21 Burner Oper. Hr. - level07 kWh 7 1000079.29642224.281333331365.12133111.14838410.003954940.768 79.2950994135.206933320.411712 100% Energy Use C22 Burner Oper. Hr. - level08 kWh 7 1000075.1229263 4.0561293.27284105.2984699.4774309238.622315875.1216731128.090779303.547937 100% Equipment Price C13 Retail Price - Level 0 $ 09 100001349.54241163.49891349.54241304.25221207.78591228.9592 1349.54241349.54241349.5424 100% Equipment Price C14 Retail Price - Level 1 $ 09 100001369.54231182.02561369.54231323.85741226.39541247.8949 1369.54231369.54231369.5423 100% Equipment Price C15 Retail Price - Level 2 $ 09 100001394.99691205.60521394.99691348.80941250.08011271.9949 1394.99691394.99691394.9969 100% Equipment Price C16 Retail Price - Level 3 $ 09 100001454.99681261.18541454.99681407.62491305.90851328.802 1454.99681454.99681454.9968 100% Equipment Price C17 Retail Price - Level 4 $ 09 100001584.0876 1412.7681584.08761536.73861426.02411451.0233 1584.08761584.08761584.0876 100% Equipment Price C18 Retail Price - Level 5 $ 09 100001696.81471517.19161696.81471647.24051530.91381557.7517 1696.81471696.81471696.8147 100% Equipment Price C19 Retail Price - Level 6 $ 09 100002156.81431943.30712156.81432098.15951958.93131993.2727 2156.81432156.81432156.8143 100% Equipment Price C20 Retail Price - Level 7 $ 09 100003060.4497 2780.383060.4497 2983.9572799.74052848.8219 3060.44973060.44973060.4497 100% Equipment Price C21 Retail Price - Level 8 $ 09 100003316.81313017.85943316.81313235.2597 3038.283091.543 3316.81313316.81313316.8131 100% Installation Cost D13 Installation Cost - Level 0 $ 10 100002116.9168 255.27344837.90971935.9561 334.4077549.1232 2116.87333068.80813605.2415 100% Installation Cost D14 Installation Cost - Level 1 $ 10 100002116.9168 255.27344837.90971935.9561 334.4077549.1232 2116.87333068.80813605.2415 100% Installation Cost D15 Installation Cost - Level 2 $ 10 100002116.9168 255.27344837.90971935.9561 334.4077549.1232 2116.87333068.80813605.2415 100% Installation Cost D16 Installation Cost - Level 3 $ 10 100002116.9168 255.27344837.90971935.9561 334.4077549.1232 2116.87333068.80813605.2415 100% Installation Cost D17 Installation Cost - Level 4 $ 10 100002127.0064 310.39244837.90971946.7902 334.4077553.553 2126.99653081.75353608.8243 100% Installation Cost D18 Installation Cost - Level 5 $ 10 100002127.0064 310.39244837.90971946.7902 334.4077553.553 2126.99653081.75353608.8243 100% Installation Cost D19 Installation Cost - Level 6 $ 10 100002197.6766 376.01895004.20342047.8109 406.0497674.5492 2197.50463197.01093734.2503 100% Installation Cost D20 Installation Cost - Level 7 $ 10 100002197.6766 376.01895004.20342047.8109 406.0497674.5492 2197.50463197.01093734.2503 100% Installation Cost D21 Installation Cost - Level 8 $ 10 100002197.6766 376.01895004.20342047.8109 406.0497674.5492 2197.50463197.01093734.2503 100% LCC&Payback Calcs J14 Total Installed Price - level00 $ 11 100003464.11531444.1204 6187.4523240.20831543.53581786.0148 3464.10444415.09074954.7838 100% LCC&Payback Calcs J15 Total Installed Price - level01 $ 11 100003484.11521463.0508 6207.4523259.81341562.16591805.0727 3484.10444435.09074974.7838 100% LCC&Payback Calcs J16 Total Installed Price - level02 $ 11 100003509.5698 1487.1446232.90653284.7655 1585.8771829.3283 3509.55894460.54525000.2383 100% LCC&Payback Calcs J17 Total Installed Price - level03 $ 11 100003569.56971543.93526292.9065 3343.5811641.76741886.502 3569.55894520.54515060.2383 100% LCC&Payback Calcs J18 Total Installed Price - level04 $ 11 100003710.69631756.06386421.99733483.52891762.01652009.5122 3710.65614664.51685192.6843 100% LCC&Payback Calcs J19 Total Installed Price - level05 $ 11 100003823.42351862.39876534.72443594.03081867.02282116.9296 3823.3833 4777.2445305.4115 100% LCC&Payback Calcs J20 Total Installed Price - level06 $ 11 100004354.26082361.93977161.01774145.9704 2367.1582680.6877 4354.20285352.7131 5890.837 100% LCC&Payback Calcs J21 Total Installed Price - level07 $ 11 100005257.89633208.90168064.65325031.76793212.12513541.7591 5257.83836256.34866794.4725 100% LCC&Payback Calcs J22 Total Installed Price - level08 $ 11 100005514.25973447.70618321.01655283.07063450.66463786.0469 5514.2016 6512.7127050.8359 100% LCC&Payback Calcs K14 Annual Maint. Cost - level00 $ 12 0 K 10000 68.9718 0 182.8899 70.4453 047.2751 68.9718 91.4449 137.9436 100% LCC&Payback Calcs K15 Annual Maint. Cost - level01 $ 12 1 K 10000 68.9718 0 182.8899 70.4453 047.2751 68.9718 91.4449 137.9436 100% LCC&Payback Calcs K16 Annual Maint. Cost - level02 $ 12 2 K 10000 68.9718 0 182.8899 70.4453 047.2751 68.9718 91.4449 137.9436 100% LCC&Payback Calcs K17 Annual Maint. Cost - level03 $ 12 3 K 10000 68.9718 0 182.8899 70.4453 047.2751 68.9718 91.4449 137.9436 100% LCC&Payback Calcs K18 Annual Maint. Cost - level04 $ 12 4 K 10000 68.9718 0 182.8899 70.4453 047.2751 68.9718 91.4449 137.9436 100% LCC&Payback Calcs K19 Annual Maint. Cost - level05 $ 12 5 K 10000 68.9718 0 182.8899 70.4453 047.2751 68.9718 91.4449 137.9436 100% LCC&Payback Calcs K20 Annual Maint. Cost - level06 $ 12 6 K 10000 99.6259 0 264.1742 101.7543 068.2863 99.6259 132.0871 199.2518 100% LCC&Payback Calcs K21 Annual Maint. Cost - level07 $ 12 7 K 10000 99.6259 0 264.1742 101.7543 068.2863 99.6259 132.0871 199.2518 100% LCC&Payback Calcs K22 Annual Maint. Cost - level08 $ 12 8 K 10000 99.6259 0 264.1742 101.7543 068.2863 99.6259 132.0871 199.2518 100% LCC&Payback Calcs L14 Annual Repr Cost - level00 $ 13 0 L 10000 0 0 329.3348 22.5581 00 0 0 190.4947 100% LCC&Payback Calcs L15 Annual Repr Cost - level01 $ 13 1 L 10000 0 0 329.3348 22.5581 00 0 0 190.4947 100% LCC&Payback Calcs L16 Annual Repr Cost - level02 $ 13 2 L 10000 0 0 329.3348 22.5581 00 0 0 190.4947 100% LCC&Payback Calcs L17 Annual Repr Cost - level03 $ 13 3 L 10000 0 0 329.3348 22.5581 00 0 0 190.4947 100% LCC&Payback Calcs L18 Annual Repr Cost - level04 $ 13 4 L 10000 0 0 909.1512 35.4255 00 0 0 261.9154 100% LCC&Payback Calcs L19 Annual Repr Cost - level05 $ 13 5 L 10000 0 0 909.1512 35.4255 00 0 0 261.9154 100% LCC&Payback Calcs L20 Annual Repr Cost - level06 $ 13 6 L 10000 0 0 909.1512 35.4255 00 0 0 261.9154 100% LCC&Payback Calcs L21 Annual Repr Cost - level07 $ 13 7 L 10000 0 0 909.1512 35.4255 00 0 0 261.9154 100% LCC&Payback Calcs L22 Annual Repr Cost - level08 $ 13 8 L 10000 0 0 909.1512 35.4255 00 0 0 261.9154 100% LCC&Payback Calcs R14 Repair Year - level00 14 0 R 11045.979443461.0004598621.11689446.628251482.053071594.043030485.976325148.8161681412.8945355 11% LCC&Payback Calcs R15 Repair Year - level01 14 1 R 11045.979443461.0004598621.11689446.628251482.053071594.043030485.976325148.8161681412.8945355 11% LCC&Payback Calcs R16 Repair Year - level02 14 2 R 11045.979443461.0004598621.11689446.628251482.053071594.043030485.976325148.8161681412.8945355 11% LCC&Payback Calcs R17 Repair Year - level03 14 3 R 11045.979443461.0004598621.11689446.628251482.053071594.043030485.976325148.8161681412.8945355 11% LCC&Payback Calcs R18 Repair Year - level04 14 4 R 11916.609540531.0004598621.11689447.055752712.250374074.451812116.593874579.1610960213.1406997 12% LCC&Payback Calcs R19 Repair Year - level05 14 5 R 11916.609540531.0004598621.11689447.055752712.250374074.451812116.593874579.1610960213.1406997 12% LCC&Payback Calcs R20 Repair Year - level06 14 6 R 11916.609540531.0004598621.11689447.055752712.250374074.451812116.593874579.1610960213.1406997 12% LCC&Payback Calcs R21 Repair Year - level07 14 7 R 11916.609540531.0004598621.11689447.055752712.250374074.451812116.593874579.1610960213.1406997 12% LCC&Payback Calcs R22 Repair Year - level08 14 8 R 11916.609540531.0004598621.11689447.055752712.250374074.451812116.593874579.1610960213.1406997 12% LCC&Payback Calcs O14 Life Cycle Cost - level00 $ 15 0 O 100006754.00631638.8282133335.6768339.2635 2969.2295117.351 6753.64389153.902217521.3158 100% LCC&Payback Calcs O15 Life Cycle Cost - level01 $ 15 1 O 10000 6739.339 1656.517131711.8258300.21692975.31095120.0539 6738.98969108.286217367.0573 100% LCC&Payback Calcs O16 Life Cycle Cost - level02 $ 15 2 O 100006699.14161678.2191128572.3068212.21012975.99375108.9079 6698.83089014.714117066.7442 100% LCC&Payback Calcs O17 Life Cycle Cost - level03 $ 15 3 O 10000 6732.1061733.8585127104.1998216.61253025.77475146.4221 6731.5369018.550316970.583 100% LCC&Payback Calcs O18 Life Cycle Cost - level04 $ 15 4 O 100006796.1103 1855.08125823.034 8263.7443096.02985234.1342 6795.38379068.173116820.6577 100% LCC&Payback Calcs O19 Life Cycle Cost - level05 $ 15 5 O 100006885.22041960.6793124474.8638322.32393190.67315324.4451 6883.81049118.244716799.1268 100% LCC&Payback Calcs O20 Life Cycle Cost - level06 $ 15 6 O 100007577.78592459.7888123040.5038959.26493834.99275945.4487 7575.75199791.519117326.954 100% LCC&Payback Calcs O21 Life Cycle Cost - level07 $ 15 7 O 100008366.77373311.1377118643.732 9657.9824662.10316745.7189 8366.66710482.017417652.7687 100% LCC&Payback Calcs O22 Life Cycle Cost - level08 $ 15 8 O 100008504.36233549.3093112958.7039697.58864856.13556918.7648 8503.77210518.543517328.5269 100% LCC&Payback Calcs P15 LCC Savings - level01 $ 16 1 P 10000 0 -18.1637 877.2178 0.6956 00 0 0 0 100% LCC&Payback Calcs P16 LCC Savings - level02 $ 16 2 P 10000 0 -40.08172579.7383 24.9057 -1.49540 0 0 133.3503 100% LCC&Payback Calcs P17 LCC Savings - level03 $ 16 3 P 10000 0 -98.37813617.3866 22.3129 -56.464-6.9309 0 0 165.2529 100% LCC&Payback Calcs P18 LCC Savings - level04 $ 16 4 P 10000 -62.8591-320.56556551.9175 -6.2764-174.4668-115.6553 -62.8791 0 349.3359 100% LCC&Payback Calcs P19 LCC Savings - level05 $ 16 5 P 10000-119.4983-432.29097414.2133 -52.4921-278.4323-206.9201 -119.5315 0 354.5568 100% LCC&Payback Calcs P20 LCC Savings - level06 $ 16 6 P 10000-742.3123-1791.10718488.2539-631.8108-1087.5978-884.691 -742.3924-532.5819 0 100% LCC&Payback Calcs P21 LCC Savings - level07 $ 16 7 P 10000-1502.7286-2553.038411695.5305-1321.8928-1921.7855-1692.5028 -1502.7581-1165.3915-323.9763 100% LCC&Payback Calcs P22 LCC Savings - level08 $ 16 8 P 10000-1619.6211-2758.117616144.6117-1361.2203-2129.7334-1859.8409 -1619.7261-1136.3707 0 100% LCC&Payback Calcs Q15 Payback - level01 $ 17 1 Q 143 3.9999960.23529388 19.999985.272067290.851934712.185345 3.999996 6.6666617.3716063 1% LCC&Payback Calcs Q16 Payback - level02 $ 17 2 Q 28212.654672980.14377753 45.45455.4022196 0.652681.570293522.65467298 5.090904 25.45452 28% LCC&Payback Calcs Q17 Payback - level03 $ 17 3 Q 4737 8.571420.32053021105.4544415.2123691.607869564.41739685 8.5714216.2858567 59.99994 47% LCC&Payback Calcs Q18 Payback - level04 $ 17 4 Q 746918.16823580.58344582234.5452232.32412432.938975898.25174 18.158151737.818144129.09078 75% LCC&Payback Calcs Q19 Payback - level05 $ 17 5 Q 786019.20229560.72803434 327.272439.00520893.670790069.9173454519.202295637.727235152.653977 79% LCC&Payback Calcs Q20 Payback - level06 $ 17 6 Q 908638.14060011.4854236888.35309185.77895927.6014236519.645047638.140600177.8096504413.621764 91% LCC&Payback Calcs Q21 Payback - level07 $ 17 7 Q 987444.51010262.007897241489.0610599.209171710.555747925.2763573 44.49428390.8311999452.205195 99% LCC&Payback Calcs Q22 Payback - level08 $ 17 8 Q 987433.21581031.72066243872.71221474.09281878.1187466919.922007733.215810367.7163741347.220563 99% LCC&Payback Calcs S14 Total Oper. Cost - level 0 $ S 0 100003254.3586 82.9945131613.1935099.0552 654.85781772.2236 3253.69895777.357414346.8581 100% LCC&Payback Calcs S15 Total Oper. Cost - level 1 $ S 1 100003219.5298 81.9634129970.8155040.4035 650.55171756.6766 3219.22635711.227214174.6463 100% LCC&Payback Calcs S16 Total Oper. Cost - level 2 $ S 2 100003151.2662 79.9777126807.7174927.4446 641.86241722.23643150.85875585.824213842.979 100% LCC&Payback Calcs S17 Total Oper. Cost - level 3 $ S 3 100003117.8954 79.0212125284.034873.0315 638.47371705.58183117.84155527.706113680.2569 100% LCC&Payback Calcs S18 Total Oper. Cost - level 4 $ S 4 100003059.4114 78.3431123883.2834780.2152 595.98651654.76783059.06665420.454813501.0622 100% LCC&Payback Calcs S19 Total Oper. Cost - level 5 $ S 5 100003027.1225 77.4288122430.6884728.2932 591.24821639.86673026.89655359.421513348.0232 100% LCC&Payback Calcs S20 Total Oper. Cost - level 6 $ S 6 100003146.6371 75.664120452.0664813.2944 706.40751752.42853146.62665478.338913335.5941 100% LCC&Payback Calcs S21 Total Oper. Cost - level 7 $ S 7 100003034.1774 72.3697115218.2224626.2141 689.18481696.39023033.82255268.771512767.9023 100% LCC&Payback Calcs S22 Total Oper. Cost - level 8 $ S 8 100002908.1775 68.6419109295.714 4414.518 669.7461634.80432908.16335027.486412133.6061 100% LCC&Payback Calcs T15 Net Cost - level 1 na T 1 43 1 1 1 1 1 1 1 1 1 0% LCC&Payback Calcs T16 Net Cost - level 2 na T 2 545 1 1 1 1 1 1 1 1 1 5% LCC&Payback Calcs T17 Net Cost - level 3 na T 3 2701 1 1 1 1 1 1 1 1 1 27% LCC&Payback Calcs T18 Net Cost - level 4 na T 4 5999 1 1 1 1 1 1 1 1 1 60% LCC&Payback Calcs T19 Net Cost - level 5 na T 5 6425 1 1 1 1 1 1 1 1 1 64% LCC&Payback Calcs T20 Net Cost - level 6 na T 6 8753 1 1 1 1 1 1 1 1 1 88% LCC&Payback Calcs T21 Net Cost - level 7 na T 7 9615 1 1 1 1 1 1 1 1 1 96% LCC&Payback Calcs T22 Net Cost - level 8 na T 8 9455 1 1 1 1 1 1 1 1 1 95% LCC&Payback Calcs U15 No Impact - level 1 na U 1 9846 1 1 1 1 1 1 1 1 1 98% LCC&Payback Calcs U16 No Impact - level 2 na U 2 7179 1 1 1 1 1 1 1 1 1 72% LCC&Payback Calcs U17 No Impact - level 3 na U 3 5123 1 1 1 1 1 1 1 1 1 51% LCC&Payback Calcs U18 No Impact - level 4 na U 4 2301 1 1 1 1 1 1 1 1 1 23% LCC&Payback Calcs U19 No Impact - level 5 na U 5 2054 1 1 1 1 1 1 1 1 1 21% LCC&Payback Calcs U20 No Impact - level 6 na U 6 900 1 1 1 1 1 1 1 1 1 9% LCC&Payback Calcs U21 No Impact - level 7 na U 7 126 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs U22 No Impact - level 8 na U 8 126 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs V15 Net Benefit - level 1 na V 1 111 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs V16 Net Benefit - level 2 na V 2 2276 1 1 1 1 1 1 1 1 1 23% LCC&Payback Calcs V17 Net Benefit - level 3 na V 3 2176 1 1 1 1 1 1 1 1 1 22% LCC&Payback Calcs V18 Net Benefit - level 4 na V 4 1700 1 1 1 1 1 1 1 1 1 17% LCC&Payback Calcs V19 Net Benefit - level 5 na V 5 1521 1 1 1 1 1 1 1 1 1 15% LCC&Payback Calcs V20 Net Benefit - level 6 na V 6 347 1 1 1 1 1 1 1 1 1 3% LCC&Payback Calcs V21 Net Benefit - level 7 na V 7 259 1 1 1 1 1 1 1 1 1 3% LCC&Payback Calcs V22 Net Benefit - level 8 na V 8 419 1 1 1 1 1 1 1 1 1 4% LCC&Payback Calcs W15 PB flag 1 - level 1 na W 1 9846 1 1 1 1 1 1 1 1 1 98% LCC&Payback Calcs W16 PB flag 1 - level 2 na W 2 7179 1 1 1 1 1 1 1 1 1 72% LCC&Payback Calcs W17 PB flag 1 - level 3 na W 3 5123 1 1 1 1 1 1 1 1 1 51% LCC&Payback Calcs W18 PB flag 1 - level 4 na W 4 2301 1 1 1 1 1 1 1 1 1 23% LCC&Payback Calcs W19 PB flag 1 - level 5 na W 5 2054 1 1 1 1 1 1 1 1 1 21% LCC&Payback Calcs W20 PB flag 1 - level 6 na W 6 900 1 1 1 1 1 1 1 1 1 9% LCC&Payback Calcs W21 PB flag 1 - level 7 na W 7 126 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs W22 PB flag 1 - level 8 na W 8 126 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs X15 PB flag 2 - level 1 na X 1 11 1 1 1 1 1 1 1 1 1 0% LCC&Payback Calcs X16 PB flag 2 - level 2 na X 2 0NA NA NA NA NA NA NA NA NA 0% LCC&Payback Calcs X17 PB flag 2 - level 3 na X 3 140 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs X18 PB flag 2 - level 4 na X 4 230 1 1 1 1 1 1 1 1 1 2% LCC&Payback Calcs X19 PB flag 2 - level 5 na X 5 86 1 1 1 1 1 1 1 1 1 1% LCC&Payback Calcs X20 PB flag 2 - level 6 na X 6 14 1 1 1 1 1 1 1 1 1 0% LCC&Payback Calcs X21 PB flag 2 - level 7 na X 7 0NA NA NA NA NA NA NA NA NA 0% LCC&Payback Calcs X22 PB flag 2 - level 8 na X 8 0NA NA NA NA NA NA NA NA NA 0% END

# Pool Heaters

Simulation Results: Input to NIA

Eff. Level Description (MMBtu) (kWh) 0 Baseline - pilot or elect. Ignition 78% 34.1 2 1 Improved HX 79% 33.7 2 2 Improved HX 81% 32.9 2 3 Improved HX, More Effective Insulation (Combustion Chamber) 82% 32.5 2 4 Power Venting 83% 31.8 9 5 Power Venting, Improved HX 84% 31.4 8 6 Sealed Combustion, Improved HX 86% 30.7 8 7 Sealed Combustion, Condensing 90% 29.3 8 8 Sealed Combustion, Condensing, Improved HX 95% 27.8 8

All dollar values are in 2009 $ EF Annual Gas UseAnnual

Elec. Use

# ($) ($) ($)

$3,240 $70 $23 7 1.5% $3,260 $70 $23 7 26.7% $3,285 $70 $23 7 20.6% $3,344 $70 $23 7 28.2% $3,484 $70 $35 7 2.5% $3,594 $70 $35 7 11.5% $4,146 $102 $35 7 7.7% $5,032 $102 $35 7 0.0% $5,283 $102 $35 7 1.3% Repair Year%of total Annual Repair Cost Annual Maint. Cost Total Installed Price