## Vented Hearth Heaters (Decorative Hearth Products and Gas Log Sets) Energy Use Determination

Standing Pilot Removal Impact Analysis

**Standing Pilot Energy use per unit** Vented Decorative Hearth Products MMBtu/yr Vented Gas Log Sets MMBtu/yr

**National Energy Savings from Pilot Removal** Decorative Hearth Products NES (2014-2043) Quads

Gas Log Sets NES (2014-2043) Quads Total Adjusted Hearth Products Energy Savings from April 2010 Heating Products Final Rule Quads

**Net additional NES after accounting for April 2010 Heating Products Final Rule**  **Quads**

## Vented Hearth Heaters (Decorative Hearth Products and Gas Log Sets) Energy Use Determination

2.67 9.53

0.17 0.07 **0.24**

-0.13

**0.12**

## Pilot Energy Use per Unit

**Vented Decorative Hearth Products Parameter**  **Units** Annual Burner Hours of Operation (Average) hours/yr Fraction of Units operating continuous pilot light year round % Fraction of Units operating continuous pilot light for a fraction of the year % Average Hours of partial year continuous pilot light operation hours Pilot Hours of Operation (Average) hours Pilot Energy Use per hour (Average) Btu/h Annual Energy Use of Pilot Ignition (Average) MMBtu/yr

**Vented Gas Log Sets Parameter**  **Units** Pilot Hours of Operation (Average) hours Pilot Energy Use per hour (Average) Btu/h Annual Energy Use of Pilot Ignition (Average) MMBtu/yr

**Vented Gas Log Sets Pilot Light Energy Use References:** Pittsburg Gas Grill and Heater Co. Frequently Asked Questions. (URL: http://www.pittsburghgasgrill.com/faq.html) Hargrove Hearth Products. Frequently Asked Questions. (URL: http://www.hargrovegaslogs.com/faq.htm) Leonard's Stone & Fireplace. Frequently Asked Questions. (URL: http://www.leonardsstoneandfireplace.net/faq.html) Fireside Hearth & Home. Frequently Asked Questions. (URL: http://www.firesidehearthandhome.com/faq.php) Heatilator. Common Questions. (URL: http://www.heatilator.com/customerCare/searchFaq.asp?c=Gas)**Average Value**

37.5 75% 25% 4380 7628 350 **2.67**

**Average Value** 7628 1250 **9.53**

Pittsburg Gas Grill and Heater Co. Frequently Asked Questions. (URL: http://www.pittsburghgasgrill.com/faq.html) Hargrove Hearth Products. Frequently Asked Questions. (URL: http://www.hargrovegaslogs.com/faq.htm) Leonard's Stone & Fireplace. Frequently Asked Questions. (URL: http://www.leonardsstoneandfireplace.net/faq.html) Fireside Hearth & Home. Frequently Asked Questions. (URL: http://www.firesidehearthandhome.com/faq.php) Heatilator. Common Questions. (URL: http://www.heatilator.com/customerCare/searchFaq.asp?c=Gas)**References**

Houck, James. Residential Decorative Gas Fireplace Usage Characteristic. Report prepared for HPBA. 2010. Assumption Calculated Assumption (On average used 1/2 of the year) Calculated 2010 DOE's Heating Products Rulemaking (same as vented hearth heaters)

**References** Assumed the same as vented decorative hearth products (see reference above). See pilot light references below

## National Energy Savings from Standing Pilot Light Removal

Average Annual Energy Use of Pilot Ignition (MMBtu/yr) Vented Decorative Hearth Products 2.67

Vented Gas Log Sets 9.53 Fraction of Shipments Fraction of Vented Hearth vs. All Hearth Shipments 42% Fraction of Vented Gas Logs vs. All Hearth Shipments 7% Fraction of Vented Hearth Ornamental Products vs. Vented Hearth 70% Fraction of Units with Standing Pilot Light Ignition Pilot Light Ignition (DECORATIVE HEARTH) 75.0% Continuously Burning Standing Pilot (DECORATIVE HEARTH) 37.5% Fraction of Continuously Burning Standing Pilot (GAS LOGS) 20%

Average Annual Energy Use of Pilot Ignition (MMBtu/yr) Decorative Hearth Products NES (2014-2043) 0.172

Gas Log Sets NES (2014-2043) 0.073 April 2010 Final Rule Heated Hearth Product Savings (2013-2042) 0.186

UPDATED Heated Hearth Product Savings (2013-2042) 0.057 Net Savings -0.129 Average Annual Shipments (2014-2043) Vented Decorative Hearth Products 459,405 Vented Gas Log Sets 103,418

**Housing Starts vs. Hearth Product Correlation Factor** 1990-2010 0.84 2001-2010 (Used for Analysis) 0.97

**Note: Based on 15 Year Average Lifetime**

**Year Fraction Surviving**  30 0.0% 29 0.0% 28 0.0% 27 0.0% 26 0.0% 25 0.0% 24 0.0% **Survival Function Inputs** 

**Summary Results**23 0.0% 22 0.0% 21 0.1% 20 0.3% 19 1.0% 18 3.1% 17 7.8% 16 16.8% 15 30.5% 14 48.1% 13 66.7% 12 82.8% 11 93.8% 10 99.0% 9 100.0% 8 100.0% 7 100.0% 6 100.0% 5 100.0% 4 100.0% 3 100.0% 2 100.0% 1 100.0% 0 100.0%**Year Hearth Heaters**  **and Decorative Products** 

1990 300,000 100,000 1991 435,000 135,000 MMBtu/yr 1992 660,000 240,000 MMBtu/yr 1993 895,875 265,247 1994 1,156,382 395,447 Based on 2003 and 2004 shipments 1995 1,200,000 Based on 2003 and 2004 shipments 1996 1,300,000 Based on Houck 2010 study. 1997 1,400,000 1998 1,611,750 Based on 2010 models. 1999 1,767,529 50% of Standing Pilot Light Models 2000 1,977,484 1997 GTI Hearth Study 2001 1,694,330 2002 1,716,139 721,322 2003 1,809,886 765,224 2004 2,103,685 Quads 2005 2,141,165 Quads 2006 1,739,602 Quads 2007 1,513,364 Quads 2008 1,017,078 2009 635,820 2010 650,911 2011 1,446,718 609,926 2012 1,740,975 733,982 2013 1,779,367 750,168 2014 1,751,960 738,614 2015 1,764,688 743,979 2016 1,777,743 749,483 2017 1,756,411 740,490 2018 1,746,455 736,293 2019 1,745,236 735,779 2020 1,722,703 726,279 2021 1,664,061 701,556 2022 1,620,781 683,309 2023 1,597,421 673,461 2024 1,589,226 670,006 2025 1,610,503 678,976 2026 1,606,857 677,439 2027 1,568,205 661,144 2028 1,513,380 638,030 2029 1,481,218 624,470 **Historical and Projected Hearth Shipments**

**Total**2030 1,484,592 625,893 2031 1,467,369 618,632 2032 1,419,891 598,616 2033 1,405,096 592,378 2034 1,410,502 594,657 2035 1,415,438 596,738 2036 1,422,515 599,722 2037 1,429,628 602,721 2038 1,436,776 605,734 2039 1,443,960 608,763 2040 1,451,180 611,807 2041 1,458,436 614,866 2042 1,465,728 617,940 2043 1,473,056 621,030 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066**Decorative**

**Hearth Products Hearth Heaters**  **Vented Gas Log Products**  **Cumulative**

**Affected Shipments**  **Site Energy Use**

**(Quads)**

108,965 124,177

426,948 182,978 95,559 513,787 220,195 114,995 525,118 225,050 117,531 517,029 221,584 115,721 193,886 0.0005 520,786 223,194 116,562 389,181 0.0010 524,638 224,845 117,424 585,920 0.0016 518,343 222,147 116,015 780,299 0.0021 515,405 220,888 115,357 973,575 0.0026 515,045 220,734 115,277 1,166,717 0.0031 508,395 217,884 113,789 1,357,365 0.0036 491,089 210,467 109,915 1,541,524 0.0041 478,317 204,993 107,056 1,720,893 0.0046 471,423 202,038 105,513 1,897,676 0.0051 469,004 201,002 104,972 2,071,586 0.0055 475,283 203,693 106,377 2,237,745 0.0060 474,207 203,232 106,137 2,382,176 0.0064 462,801 198,343 103,584 2,490,930 0.0066 446,621 191,409 99,962 2,557,287 0.0068 437,129 187,341 97,838 2,585,779 0.0069 **Vented Decorative Hearth Products Historical and Projected Hearth Shipments** 

**Vented Hearth Heaters**438,125 187,768 98,061 2,587,954 0.0069

433,042 185,590 96,923 2,571,307 0.0069 419,031 179,585 93,787 2,541,158 0.0068 414,665 177,713 92,810 2,507,082 0.0067 416,260 178,397 93,167 2,474,645 0.0066 417,717 179,021 93,493 2,445,262 0.0065 419,805 179,917 93,960 2,419,444 0.0065 421,904 180,816 94,430 2,396,833 0.0064 424,014 181,720 94,902 2,376,957 0.0063 426,134 182,629 95,377 2,359,631 0.0063 428,265 183,542 95,854 2,345,036 0.0063 430,406 184,460 96,333 2,333,508 0.0062 432,558 185,382 96,815 2,325,347 0.0062 434,721 186,309 97,299 2,320,729 0.0062 2,155,813 0.0058 1,993,402 0.0053 1,833,109 0.0049 1,674,397 0.0045 1,516,642 0.0040 1,359,237 0.0036 1,201,688 0.0032 1,043,664 0.0028 884,981 0.0024 725,552 0.0019 567,001 0.0015 416,189 0.0011 282,569 0.0008 174,639 0.0005 96,657 0.0003 47,124 0.0001 19,911 0.0001 7,174 0.0000 2,171 0.0000 543 0.0000 111 0.0000 18 0.0000 2 0.0000**Source Energy**

**Use (Quads) Cumulative** 

**Affected Shipments**  **Site Energy Use**

**(Quads) Source Energy** 

**Use (Quads) Cumulative** 

**Affected Shipments** 

225,050 0.0006 23,144 0.0002 0.0002 446,634 0.0011 46,457 0.0004 0.0005 669,828 0.0017 69,941 0.0007 0.0007 894,673 0.0023 93,144 0.0009 0.0010 1,116,820 0.0028 116,216 0.0011 0.0012 1,337,708 0.0034 139,271 0.0013 0.0014 1,558,442 0.0039 162,029 0.0015 0.0017 1,776,325 0.0045 184,012 0.0018 0.0019 1,986,792 0.0050 205,423 0.0020 0.0021 2,191,785 0.0055 226,526 0.0022 0.0024 2,391,540 0.0060 247,286 0.0024 0.0026 2,578,581 0.0065 267,120 0.0025 0.0028 2,743,827 0.0070 284,361 0.0027 0.0030 2,872,684 0.0073 297,343 0.0028 0.0031 2,955,096 0.0075 305,264 0.0029 0.0032 2,991,318 0.0075 308,665 0.0029 0.0032 2,992,881 **Vented Decorative Hearth Products Vented Gas Log Sets**  **NIA Calculations**0.0076 308,925 0.0029 0.0032 2,975,293

0.0075 306,937 0.0029 0.0032 2,945,560 0.0074 303,339 0.0029 0.0032 2,906,431 0.0073 299,271 0.0029 0.0031 2,865,834 0.0072 295,399 0.0028 0.0031 2,828,293 0.0071 291,891 0.0028 0.0030 2,794,606 0.0071 288,810 0.0028 0.0030 2,765,082 0.0070 286,110 0.0027 0.0030 2,739,239 0.0069 283,738 0.0027 0.0030 2,716,523 0.0069 281,670 0.0027 0.0029 2,696,721 0.0068 279,927 0.0027 0.0029 2,680,041 0.0068 278,551 0.0027 0.0029 2,666,867 0.0068 277,577 0.0026 0.0029 2,657,539 0.0068 277,026 0.0026 0.0029 2,652,262 0.0063 257,340 0.0025 0.0027 2,463,786 0.0058 237,953 0.0023 0.0025 2,278,174 0.0053 218,819 0.0021 0.0023 2,094,982 0.0049 199,873 0.0019 0.0021 1,913,596 0.0044 181,042 0.0017 0.0019 1,733,305 0.0040 162,252 0.0015 0.0017 1,553,413 0.0035 143,446 0.0014 0.0015 1,373,357 0.0030 124,582 0.0012 0.0013 1,192,759 0.0026 105,640 0.0010 0.0011 1,011,407 0.0021 86,609 0.0008 0.0009 829,202 0.0017 67,683 0.0006 0.0007 648,001 0.0012 49,681 0.0005 0.0005 475,645 0.0008 33,730 0.0003 0.0004 322,936 0.0005 20,847 0.0002 0.0002 199,587 0.0003 11,538 0.0001 0.0001 110,465 0.0001 5,625 0.0001 0.0001 53,856 0.0001 2,377 0.0000 0.0000 22,755 0.0000 856 0.0000 0.0000 8,199 0.0000 259 0.0000 0.0000 2,481 0.0000 65 0.0000 0.0000 621 0.0000 13 0.0000 0.0000 127 0.0000 2 0.0000 0.0000 21 0.0000 0 0.0000 0.0000 3**Site Energy Use -**

**Gas (Quads) Site Energy Use -** 

**Elec (TWh) Source Energy** 

**Use - Gas (Quads)**  **Source Energy**

**Use - Elec (Quads)**  **Housing**

**Starts** 966000 837600 963600 1039400 1160300 1065500 1128500 1116400 1159700 1270400 1241800 1255900 1325100 1386300 1531500 1635900 1654500 1218400 818800 520100 496300 1138975 1370638 0.0002 -0.001 0.0002 0.0000 1400864 0.0003 -0.003 0.0004 0.0000 1379287 0.0005 -0.004 0.0006 0.0000 1389307 0.0007 -0.005 0.0008 -0.0001 1399585 0.0009 -0.007 0.0009 -0.0001 1382791 0.0010 -0.008 0.0011 -0.0001 1374953 0.0012 -0.009 0.0013 -0.0001 1373993 0.0014 -0.011 0.0015 -0.0001 1356253 0.0015 -0.012 0.0017 -0.0001 1310085 0.0017 -0.013 0.0019 -0.0001 1276012 0.0019 -0.014 0.0020 -0.0001 1257621 0.0020 -0.015 0.0022 -0.0001 1251169 0.0021 -0.016 0.0023 -0.0001 1267920 0.0022 -0.017 0.0025 -0.0001 1265050 0.0023 -0.018 0.0025 -0.0001 1234620 0.0023 -0.018 0.0025 -0.0001 1191457 0.0023 -0.018 0.0026 -0.0001 1166136 **2013 Standard fo Hearth Products (Updated) Housing Starts** 0.0023 -0.018 0.0025 -0.0001 1168793

0.0023 -0.018 0.0025 -0.0001 1155233 0.0023 -0.017 0.0025 -0.0001 1117855 0.0022 -0.017 0.0024 -0.0001 1106207 0.0022 -0.017 0.0024 -0.0001 1110463 0.0022 -0.017 0.0024 -0.0001 1114349 0.0022 -0.017 0.0024 -0.0001 1119921 0.0021 -0.016 0.0023 -0.0001 1125520 0.0021 -0.016 0.0023 -0.0001 1131148 0.0021 -0.016 0.0023 -0.0001 1136804 0.0021 -0.016 0.0023 -0.0001 1142488 0.0021 -0.016 0.0023 -0.0001 1148200 0.0021 -0.016 0.0023 -0.0001 1153941 0.0021 -0.016 0.0023 -0.0001 1159711 0.0019 -0.015 0.0021 -0.0001 0.0018 -0.014 0.0019 -0.0001 0.0016 -0.013 0.0018 -0.0001 0.0015 -0.011 0.0016 -0.0001 0.0014 -0.010 0.0015 -0.0001 0.0012 -0.009 0.0013 -0.0001 0.0011 -0.008 0.0012 -0.0001 0.0009 -0.007 0.0010 0.0000 0.0008 -0.006 0.0009 0.0000 0.0006 -0.005 0.0007 0.0000 0.0005 -0.004 0.0006 0.0000 0.0004 -0.003 0.0004 0.0000 0.0003 -0.002 0.0003 0.0000 0.0002 -0.001 0.0002 0.0000 0.0001 -0.001 0.0001 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000 0.0000 0.000 0.0000 0.0000**Housing Starts vs.**

**Hearth Shipments Factor**  **Natural Gas Electricity** 

1.35 1.30 1.31 1.37 1.31 1.075 11500 1.05 1.075 11500 1.24 1.075 11500 1.24 1.075 11500 1.22 1.075 11500 1.31 1.075 11500 1.27 1.075 11500

1.079 11500 1.084 11250 1.085 11000 1.084 10500 1.084 10000 1.084 8500 1.084 7500 1.084 7337 1.085 7337 1.084 7337 1.085 7337 1.089 7337 1.094 7405 1.095 7009 1.095 7009 1.095 6906 1.094 6872 1.094 6404 **Site to Source Factor Other Data for NIA**  **Housing Starts**1.093 6396 1.093 6396 1.093 6396 1.093 6396 1.093 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396 1.092 6396

## Shipments Data

**Year Fireplaces, Freestanding Stoves,** 

**Inserts, Fireboxes, and Gas**

**Logs*** **Vented Hearth** 1990 300000 100000 1991 435000 135000 1992 660000 240000 1993 895875 265247 1994 1156382 395447 1995 1200000 1996 1300000 1997 1400000 1998 1611750 1999 1767529 2000 1977484 2001 1694330 2002 1716139 721322 2003 1809886 765224 2004 2103685 2005 2141165 2006 1739602 2007 1513364 2008 1017078 2009 635820 2010 650911

**HPBA Disaggregated Shipments (2002,2003)** B Vent 2002 2003 Fireplaces 94,608 90,981 Stoves 8,357 8,773 Inserts 13,358 13,849 Log Sets 108,965 124,177 Outdoor 5,643 7,816 230,931 245,596

Direct Vent Fireplaces 499,443 541,335 Stoves 62,918 64,598 Inserts 42,638 45,688 604,999 651,621

Total (B Vent + Direct Vent) 835,930 897,217**Source Fraction of Hearth**  **Fireplaces, Inserts, and Stoves**  **Fraction of gas logs**

33% 31% 36% 30% 34%

42% 6.3% 42% 6.9% 6.6% Estimate from GRI Report: Gas Hearth Products Market Fact Base, 1996

HPBA Website. Hearth Industry Unit Shipments 1998--2010. http://www.hpba.org/statistics/h pba-us-hearth-statistics

### Charts for Shipments and Equipment Lifetime Data

**Year Total**  **Hearth Heaters and**  **Decorative Products**  **Decorative**

**Hearth Products**  **Hearth**

**Heaters Vented Gas** 

**Log Products Housing Starts**  1990 0.30 0.10 0.97 1991 0.44 0.14 0.84 1992 0.66 0.24 0.96 1993 0.90 0.27 1.04 1994 1.16 0.40 1.16 1995 1.20 1.07 1996 1.30 1.13 1997 1.40 1.12 1998 1.61 1.16 1999 1.77 1.27 2000 1.98 1.24 2001 1.69 1.26 2002 1.72 0.72 0.11 1.33 2003 1.81 0.77 0.12 1.39 2004 2.10 1.53 2005 2.14 1.64 2006 1.74 1.65 2007 1.51 1.22 2008 1.02 0.82 2009 0.64 0.52 2010 0.65 0.50 2011 1.45 0.61 0.43 0.18 0.10 1.14 2012 1.74 0.73 0.51 0.22 0.11 1.37 2013 1.78 0.75 0.53 0.23 0.12 1.40 2014 1.75 0.74 0.52 0.22 0.12 1.38 2015 1.76 0.74 0.52 0.22 0.12 1.39 2016 1.78 0.75 0.52 0.22 0.12 1.40 2017 1.76 0.74 0.52 0.22 0.12 1.38 2018 1.75 0.74 0.52 0.22 0.12 1.37 2019 1.75 0.74 0.52 0.22 0.12 1.37 2020 1.72 0.73 0.51 0.22 0.11 1.36 2021 1.66 0.70 0.49 0.21 0.11 1.31 2022 1.62 0.68 0.48 0.20 0.11 1.28 2023 1.60 0.67 0.47 0.20 0.11 1.26 2024 1.59 0.67 0.47 0.20 0.10 1.25 2025 1.61 0.68 0.48 0.20 0.11 1.27 2026 1.61 0.68 0.47 0.20 0.11 1.27 2027 1.57 0.66 0.46 0.20 0.10 1.23 2028 1.51 0.64 0.45 0.19 0.10 1.19 2029 1.48 0.62 0.44 0.19 0.10 1.172030 1.48 0.63 0.44 0.19 0.10 1.17

2031 1.47 0.62 0.43 0.19 0.10 1.16 2032 1.42 0.60 0.42 0.18 0.09 1.12 2033 1.41 0.59 0.41 0.18 0.09 1.11 2034 1.41 0.59 0.42 0.18 0.09 1.11 2035 1.42 0.60 0.42 0.18 0.09 1.11 2036 1.42 0.60 0.42 0.18 0.09 1.12 2037 1.43 0.60 0.42 0.18 0.09 1.13 2038 1.44 0.61 0.42 0.18 0.09 1.13 2039 1.44 0.61 0.43 0.18 0.10 1.14 2040 1.45 0.61 0.43 0.18 0.10 1.14 2041 1.46 0.61 0.43 0.18 0.10 1.15 2042 1.47 0.62 0.43 0.19 0.10 1.15 2043 1.47 0.62 0.43 0.19 0.10 1.16

**Lifetime Data Year**  **Probability**

30 0% 0% 0 0% 29 0% 0% 1 0% 28 0% 0% 2 0% 27 0% 0% 3 0% 26 0% 0% 4 0% 25 0% 0% 5 0% 24 0% 0% 6 0% 23 0% 0% 7 0% 22 0% 0% 8 0% 21 0% 0% 9 0% 20 0% 0% 10 1% 19 1% 1% 11 5% 18 3% 2% 12 11% 17 8% 5% 13 16% 16 17% 9% 14 19% 15 31% 14% 15 18% 14 48% 18% 16 14% 13 67% 19% 17 9% 12 83% 16% 18 5% 11 94% 11% 19 2% 10 99% 5% 20 1% 9 100% 1% 21 0% 8 100% 0% 22 0% 7 100% 0% 23 0% 6 100% 0% 24 0% 5 100% 0% 25 0% 4 100% 0% 26 0% 3 100% 0% 27 0% 2 100% 0% 28 0% 0% 2% 4% 6% 8% 10% 12% 14% 16% 18% 20%

0**P r** **o b** **a b** **i l** **i t** **y**1 100% 0% 29 0% 0 100% 0% 30 0% 1450%0.00 0.50 1.00 1.50 2.00 2.50

2001 2002 2003 2004 2005 2006 2007 2008 2009 2010**M i** **l l** **i o** **n S** **h i** **p m** **e n** **t s** **o r** **H o** **u s** **e h** **o l** **d s** 

**Year** 

### 2001

**- 2010**  **Hearth Shipments vs. Housing Starts**

Hearth Shipments

Housing Starts

0.00 0.50 1.00 1.50 2.00 2.50**M i** **l l** **i o** **n S** **h i** **p m** **e n** **t s** **o r** **H o** **u s** **e h** **o l** **d s** 

0.00 0.50 1.00 1.50 2.00 2.50199019911992199319941995199619971998199920002001200220032004200520062007200820092010**M i** **l l** **i o** **n**

**Year** 

### Historical **Hearth Shipments Data (1990**

**- 2010)** 

Total Hearth Vented Hearth Vented Gas Logs

0.00 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00**M i** **l l** **i o** **n**0 5 10 15 20 25 30

**Years** 

### Lifetime Distribution**Year**



### Projected **Hearth Shipments vs. Housing Starts**

**(2011**

**- 2043)** 

Projected Hearth

Shipments Projected Housing Starts (AEO 2010)

**Year** 

### Projected **Hearth Shipments Data (2011**

**- 2043)** 

Total Hearth Total Vented Hearth Vented Decorative Hearth Vented Gas Logs