### 7

- i CHAPTER 7. SHIPMENTS ANALYSIS

TABLE OF CONTENTS

7.1 INTRODUCTION

................................ ................................ ................................ ................ 7

- 1

7.2 FORMULATION OF SHIPMENTS MODEL AND INPUTS

................................ ............ 7

- 1

7.2.1 Historical Shipments

................................ ................................ ................................ 7

- 1

7.2.2 Projected Shipments

................................ ................................ ................................ . 7

- 4

7.2.3 Product Class Market Shares and Projected Shipments by Product Class

............. 7

- 10

7.3 RESULTS

................................ ................................ ................................ ........................... 7

- 11

LIST OF TABLES

Table 7.2.1 Historical Water

- Cooled Commercial Air Conditioner Shipments

......................... 7

- 2 Table 7.2.2 Historical Water Source Heat Pump Shipments

................................ ....................... 7

- 3 Table 7.2.3 Historical Computer Room Air Conditioner Shipments

................................ ........... 7

- 4 Table 7.2.4 Projected Commercial Water

- Cooled Air Conditioner Shipments

.......................... 7

- 6 Table 7.2.5 Projected Water Source Heat Pump Shipments

................................ ....................... 7

- 8 Table 7.2.6 Projected Computer Room Air Conditioner Shipments (United States)

................. 7

- 9 Table 7.2.7 Computer Room Air Conditioners: Market Share by Product Class (Australia)

... 7

- 11 Table 7.2.8 Computer Room Air Conditioners: Market Share by Product Class (US)

............. 7

- 11 Table 7.3.1 Water and Evaporatively Cooled Equipment Shipments: Historical Trend

.......... 7

- 12 Table 7.3.2 Water and Evaporatively Cooled Equipment Shipments: Shipments Fixed a t 2009

Level

................................ ................................ ................................ ................................ ... 7

- 13 Table 7.3.3 VRF Water Source Heat Pump Shipments

................................ ............................. 7

- 14 Table 7.3.4 Computer Room Air Conditioner Shipments

................................ ........................... 15

LIST OF FIGURES

Figure 7.2.1 Trends in Commercial Water

- Cooled AC Shipments

................................ ............ 7

- 5

Fi gure 7.2.2 Projection of Water Source Heat Pump Shipments

................................ ................ 7

- 7 Figure 7.2.3 Projection of Australian Computer Room Air Conditioner Shipments

................... 7

- 9

### 7

- 1 CHAPTER 7. SHIPMENTS ANALYSIS

7.1 INTRODUCTION

Estimates of shipments are a necessary input to national energy savings (NES) and net present value (NPV) calculations. This chapter describes the U.S. Department of Energy’s (DOE’s) methodology for projecting annual sh ipments and presents results. The Shipments Model results are driven primarily by available historical shipment data. The Shipments Model is in a Microsoft Excel spreadsheet format embedded in the National Impacts Model spreadsheet that is

accessible on th e DOE website at

This chapter e xplains the Shipments Model and its derivation in detail. Section 6.2 discusse s the formulation of the model and the data input to the model, and section 6.4 presents the results for

the base

- case energy conservation standard level scenario and discusses the development of higher standard level scenarios. The energy conservation standards for equipment will set the maximum allowable rated energy consumption for all equipment within an equipment class. http://www1.eere.energy.gov/buildings/appliance_standards/commercial/ashrae_products_docs_ meeting.html

.

Shipment forecasts were determined for the baseline lev el and all higher efficiency levels (reflecting potential higher standard levels) for which NES and NPV are required. DOE is considering up to four efficiency levels plus the ASHRAE level for each of the equipment classes.



### 7.2 FORMULATION OF SHIPMENTS MODEL AND INPUTS

The Shipments Model is a description of equipment stock flows as a function of year and equipment age in the stock. The Department used available historical shipment data to forecast shipments into the future. The Department uses shipments dist ributions or model availability to allocate shipments into individual product classes.

7.2.1 Historical Shipments

Water and Evaporatively Cooled Products

The Department obtained historical water

- cooled commercial air conditioner shipment

data from AHRI. 1



### Table 7.2

. 1 While AHRI provided shipments in the categories small, large, and very large, it is important to note that AHRI tracks large units up to 249 k B tu/h, while the federal standards limit the large category to 240 k B tu/h. Throughout this analysis, DOE used AHRI data to represent the large category. shows historical shipments from 1989 through 2009.

### 7

- 2 Table 7.2

. 1 Histor ical Water

- Cooled Commercial Air Conditioner Shipments

VRF Water Source Heat Pumps

The Department did not have any shipment data available for VRF water source heat pumps. As a result the Department used U.S. Census data showing historical shipments of all water source heat pumps as a starting point. 2 

### Table 7.2

. 2 shows historical shipments from 1983 through 2009. Year Small AC (65

- 134.9 kBtu/h) Large AC (135

- 249 kBtu/h) Very Large AC (250 & Over kBtu/h)

1989 1,437 793 1,622

1990 1,503 779 1,211

1991 1,107 621 908

1992 1,068 537 720

1993 985 520 668

1994 922 504 815

1995 1,121 493 805

1996 1,217 652 1,020

1997 989 522 1,216

1998 795 623 1,886

1999 874 477 898

2000 1,478 1,621 1,170

2001 606 409 762

2002 502 355 1,227

2003 390 287 740

2004 447 291 711

2005 177 188 861

2006 316 278 1,231

2007 359 317 1,231

2008 282 311 1,390

2009 152 182 585

Source: AHRI.

### 7

- 3 Table 7.2

. 2 Historical Water Source Heat Pump Shipments

Year Water Source Heat Pump Shipmen ts

(Product Code:

333415E181)

1983 69,280

1984 86,165

1985 119,164

1986 103,970

1987 142,033

1988 149,795

1989 157,080

1990 139,864

1991 111,746

1992 99,236

1993 105,159

1994 99,321

1995 N/A

1996 N/A

1997 112,052

1998 120,080

1999 120,545

2000 133,654

2001 130,351

2002 114,336

2003 123,974

2004 135,769

2005 141,410

2006 202,234

2007 N/A

2008 223,636

2009 180,101

Source: U.S. Census

.



### Computer Room Air Conditioners

Data on computer room air conditioner shipments in the U.S. were not available. To estimate U.S. shipments, t he Department obtained a time series of shipments from 2000 to 2020

in Australia. 3 

### The Department also looked at several indicators to determine a way to inflate

Australia n shipments to the U.S. market. These ind icators included population, GDP, electricity consumption, and business establishments. These resulted in inflators from 13.2 to 16.8. The Department believes the number of business establishments best serves as a proxy, and therefore

used the inflator of 13.2. 4 

### Table 7.2

. 3 shows the shipments from the Australia report as well as the shipments inflated to the U.S. market.

### 7

- 4 Table 7.2

. 3 Historical Computer Room Air Conditioner Shipments

Year Computer Room Air

Conditioner Shipments (Australia n data ) Computer Room Air Conditioner Shipments (United States estimate )

2000 850 11

, 228

2001 875 11

, 558

2002 902 11

, 915

2003 929 12

, 271

2004 956 12

, 628

2005 985 13

, 011

2006 1

, 014 13

, 394

2007 1

, 044 13

, 790

2008 1

, 076 14

, 213

2009 1

, 107 14

, 622

2010 1

, 140 15

, 058

2011 1

, 174 15

, 507

2012 1

, 209 15

, 970

2013 1

, 245 16

, 445

2014 1

, 282 16

, 934

2015 1

, 320 17

, 436

2016 1

, 359 17

, 951

2017 1

, 399 18

, 479

2018 1

, 440 19

, 021

2019 1

, 483 19

, 589

2020 1

, 526 20

, 157

Source: Australia Report, http://www.abs.gov.au , http://factfinder.census.gov.



### 7.2.2 Projected Shipments

Water and Evaporatively Cooled Products

The Department estimated future shipments using the historical data provided by AHRI. The small and large AC categories show an exponential trend, yielding very few shipments in the

future. (Note that the data points for year 2000 were removed as outliers to facilitate identifying historical trends.) The very large AC shipments show no trend, although a linear fit shows a slowly decreasing forecast. Figure 7.2

. 1 shows the extrapolations, and

Table 7.2

. 4 shows projected shipments for 2010 through 2043.

### 7

- 5 Figure 7.2

. 1 Trends in Commercial Water

- Cooled AC Shipments

Ship = 6.42E+89e

- 1.00E

- 01 * Year

R2 = 8.60E

- 01

Ship = 2.16E+55e

- 6.07E

- 02 * Year

R2 = 8.08E

- 01 Ship =

- 4.19 * Year + 9,399.48

R2 = 0.01

0 200 400 600 800 1000 1200 1400 1600 1800 2000

1988 1992 1996 2000 2004 2008 2012 2016 2020 2024 2028 2032 2036 2040Shipments

Year Small AC (65

- 134.9)

Large AC (135

- 249)

Very Large AC (250 & Over)

Expon. (Small AC (65

- 134.9))

Expon. (Large AC (135

- 249))

Linear (Very Large AC (250 & Over))

### 7

- 6 Table 7.2

. 4 Projected Commercial Water

- Cooled Air Conditioner Shipments

VRF Water Source Heat Pumps

The Department estimated future shipments using the historical data in the U.S. Census. The shipments do not show a strong trend, but the Department used a linear fit

. Figure 7.2

. 2 shows the extrapolations, and Table 7.2

. 5 shows projected shipments for 2010 through 2042. Year Small AC (65

- 134.9 kBtu/h) Large AC (135

- 249 kBtu/h) Very Large AC (350 & Over kBtu/h)

2010 208 215 986

2011 189 203 982

2012 171 191 978

2013 154 179 974

2014 140 169 970

2015 126 159 965

2016 114 150 961

2017 103 141 957

2018 93 132 953

2019 85 125 949

2020 76 117 944

2021 69 110 940

2022 63 104 936

2023 57 98 932

2024 51 92 928

2025 46 87 923

2026 42 81 919

2027 38 77 915

2028 34 72 911

2029 31 68 907

2030 28 64 903

2031 25 60 898

2032 23 57 894

2033 21 53 890

2034 19 50 886

2035 17 47 882

2036 15 44 877

2037 14 42 873

2038 13 39 869

2039 11 37 865

2040 10 35 861

2041 9 33 856

2042 8 31 852

2043 8 29 848

### 7

- 7 Figure 7.2

. 2 Projection of Water Source Heat Pump Shipments y = 2,639.35x

- 5,137,005.20
R2 = 0.38

0 50000 100000 150000 200000 250000 300000

1980 1990 2000 2010 2020 2030 2040Shipments

Year

### 7

- 8 Table 7.2

. 5 Projected Water Source Heat Pump Shipments

Year Water Source Heat Pump Shipments

2010 168,088

2011 170,728

2012 173,367

2013 176,006

2014 178,646

2015 181,285

2016 183,924

2017 186,564

2018 189,203

2019 191,842

2020 194,482

2021 197,121

2022 199,761

2023 202,400

2024 205,039

2025 207,679

2026 210,318

2027 212,957

2028 215,597

2029 218,236

2030 220,875

2031 223,515

2032 226,154

2033 228,793

2034 231,433

2035 234,072

2036 236,711

2037 239,351

2038 241,990

2039 244,629

2040 247,269

2041 249,908

2042 252,548



### Computer Room Air Conditioners

The Department estimated future shipments using the data provided by the Australia report. The data show a strong linear trend that was used to extrapolate shipments into the future past 2020. Figure 7.2.3 shows the extrapolations, and Table 7.2.6 shows projected shipments for 2021 through 2042.

### 7

- 9 Figure 7.2

. 3 Projection of Australian Computer Room Air Conditioner Shipments

Table 7.2

. 6 Projected Computer Room Air Conditioner Shipments (United States)

Year Computer Room Air

Conditioner Shipments

2021 20,171

2022 20,616

2023 21,061

2024 21,506

2025 21,950

2026 22,395

2027 22,840

2028 23,285

2029 23,730

2030 24,174

2031 24,619

2032 25,064

2033 25,509

2034 25,953

2035 26,398

2036 26,843

2037 27,288

2038 27,732

2039 28,177

2040 28,622

2041 29,067

2042 29,511 y = 33.671x

- 66522
R2 = 0.9941

0 500 1000 1500 2000 2500

1980 1990 2000 2010 2020 2030 2040 2050Shipments

Year

### 7

- 10 7.2.3 Product Class Market Shares and Projected Shipments by Product Class

Water and Evaporatively Cooled Products

The Department could not identify data that would allow the shipments provided by

AHRI to be separated into products with electrical resistance or no heating, and those with other types of heating. However, the Department believes that most small and large water

- cooled equipment do not provide heating, and as a result assign ed 90% of shipments in those categories

to the no

- heating class, and 10% to the other heating class. For very large equipment, the Department believes that most equipment are roof

- top units that are combined with gas furnaces, and as a result assigned 10% of very large shipments to the no

- heating class and 10% to the other heating class.

The Department identified nine models of very large evaporatively

- cooled equipment,

but no shipment data were available. For this product class, the Department used the ra tio of very large evaporative to water cooled models on the market (9:35) and applied this to the water cooled shipments to estimate evaporatively cooled shipments. The same fraction as for very large

water cooled equipment was used to separate units into the heating categories.

VRF Water Source Heat Pumps

DOE undertook research to ascertain the number of models of water source heat pumps in total, and VRF water source heat pumps specifically. DOE used AHRI’s Directories of

Certified Product Performance for Water

- to

- Air and Water

- to

- Water Heat Pumps (excluding groundwater loop and ground loop) and VRF Multi

- Split Water

- to

- Air Heat Pumps. 5



### Computer Room Air Conditioners DOE used the ratio of VRF water source heat pump > 135,000 Btu/h models to all water source heat pump models on the market ( 164:42 77 ) to estimate VRF water source heat pump shipments. DOE also

used the number of VRF water source heat pumps >135,000 Btu/h with and without heat

recovery (58 and 106, respect ively) to allocate shipments into the two product classes.

DOE allocated overall shipments into product classes using a two

- step process. First, DOE used Australian market shares to allocate shipments to six broad product cla sses ( Table

7.2

. 7 ). Although it was not clear from the Australia report how glycol

- cooled units were included, the Department assumed they were part of the water

- coole d product class. The Department then used its database of computer room air conditioner models available in the U.S. to further disaggregate shipments into water and glycol cooled product classes with and without

fluid economizers ( Ta ble 7.2

. 8 )

.

### 7

- 11 Table 7.2

. 7 Computer Room Air Conditioners: Market Share by Product Class
(Australia)

Product Class Market Share

Air

- Cooled < 65 kBtu/h 4%

Air

- Cooled ≥ 65

- < 240 kBtu/h 46%

Air

- Cooled ≥ 240 kBtu/h 10%

Water

- Cooled <65 kBtu/h 2%

Water

- Cooled ≥65

- <240 kBtu/h 30%

Water

- Cooled ≥240 kBtu/h 8%

TOTAL 100.00 %



### Table 7.2

. 8 Computer Room Air Conditioners: Market Share by Product Class (US)

Product Class Water

Cooled Water

- Cooled

with F luid

Economizer Glycol

Cooled Glycol

- Cooled

with F luid

Economizer TOTAL

Water

- Cooled <65 kBtu/h 29% 18% 27% 27% 101.00 %

Water

- Cooled ≥65

- <240 kBtu/h 25% 21% 25% 29% 100.00 %

Water

- Cooled ≥240 kBtu/h 34% 13% 28% 25% 100.00 %



### 7.3 RESULTS

As equipment purchase price increases with lower energy consumption levels, a drop in shipments could be expected relative to the base case. However, DOE has no information with which to calibrate such a relationship. Therefore, for the Notice of Proposed Rulemaking analysis, DOE presumes that the shipments do not change in response to higher efficiency levels being considered as possible standard levels.

Water and Evaporatively Cooled Equipment

D OE used two shipment scenarios in the analysis of water and evaporatively cooled equipment : one using the trends identified from historical data, and another with future shipments fixed to the 2009 value. Table 7.3.1 shows the shipments use d for all the product classes in this analysis using the historical shipment scenario. This is based on the AHRI historical data, the forecasted shipments, and the attribution of the shipments to the specific product classes. Table 7. 3

. 2 shows shipments in 2009 as well as the cumulative shipments under the constant shipments scenario.

### 7

- 12 Table 7.3

. 1 Water and Evaporatively Cooled Equipment Shipments: Historical

Trend

Year Small

Water

E/N

65

- 135 Small

Water

O

65

- 135 Large

Water

E/N

135

- 240 Large

Water

O

135

- 240 VL

Water

E/N

240

- 760 VL Water

O

240

- 760 VL Evap

E/N

240

- 760 VL Evap

O

240

- 760

2013 139 15

- - - - - - 2014 126 14 152 17 97 873 25 224

2015 113 13 143 16 97 868 25 223

2016 103 11 135 15 96 865 25 222

2017 93 10 127 14 96 861 25 221

2018 84 9 119 13 95 858 24 221

2019 77 8 113 12 95 854 24 220

2020 68 8 105 12 94 850 24 219

2021 62 7 99 11 94 846 24 218

2022 57 6 94 10 94 842 24 217

2023 51 6 88 10 93 839 24 216

2024 46 5 83 9 93 835 24 215

2025 41 5 78 9 92 831 24 214

2026 38 4 73 8 92 827 24 213

2027 34 4 69 8 92 823 24 212

2028 31 3 65 7 91 820 23 211

2029 28 3 61 7 91 816 23 210

2030 25 3 58 6 90 813 23 209

2031 23 2 54 6 90 808 23 208

2032 21 2 51 6 89 805 23 207

2033 19 2 48 5 89 801 23 206

2034 17 2 45 5 89 797 23 205

2035 15 2 42 5 88 794 23 204

2036 14 1 40 4 88 789 23 203

2037 13 1 38 4 87 786 22 202

2038 12 1 35 4 87 782 22 201

2039 10 1 33 4 87 778 22 200

2040 9 1 32 3 86 775 22 199

2041 8 1 30 3 86 770 22 198

2042 7 1 28 3 85 767 22 197

2043

- - 26 3 85 763 22 196

Cumulative 1384 151 2164 239 2728 24536 701 6311

### 7

- 13 Table 7.3

. 2 Water and Evaporatively Cooled Equipment Shipments: Shipments

Fixed at 2009 Level

Year Small

Water

E/N

65

- 135 Small

Water

O

65

- 135 Large

Water

E/N

135

- 240 Large

Water

O

135

- 240 VL

Water

E/N

240

- 760 VL Water

O

240

- 760 VL Evap

E/N

240

- 760 VL Evap

O

240

- 760

2009 137 15 164 18 59 526 15 135

Cumul ative

(2013 to

2042 or

2014 to 2043) 4

, 110 450 4

, 920 540 1

, 770 15

, 780 450 4

, 050



### VRF Water Source Heat Pumps

Table 7.3

. 3 shows the shipments used for both the VRF water source heat pump product classes in this analysis. This is based on the US Census historical data, the forecasted shipments,

and the attributio n of the shipments to the specific product classes.

### 7

- 14 Table 7.3

. 3 VRF Water Source Heat Pump Shipments

Year Without Heat Recovery With Heat Recovery

2013 4,417 2,417

2014 4,483 2,453

2015 4,549 2,489

2016 4,616 2,525

2017 4,682 2,562

2018 4,748 2,598

2019 4,814 2,634

2020 4,880 2,670

2021 4,947 2,707

2022 5,013 2,743

2023 5,079 2,779

2024 5,145 2,815

2025 5,212 2,852

2026 5,278 2,888

2027 5,344 2,924

2028 5,410 2,960

2029 5,477 2,997

2030 5,543 3,033

2031 5,609 3,069

2032 5,675 3,105

2033 5,741 3,142

2034 5,808 3,178

2035 5,874 3,214

2036 5,940 3,250

2037 6,006 3,287

2038 6,073 3,323

2039 6,139 3,359

2040 6,205 3,395

2041 6,271 3,432

2042 6,338 3,468

Cumulative 161,316 88,268



### Computer Room Air Conditioners

Table 7.3

. 4 shows the shipments used all the computer room air conditioner product classes in this analysis. This is based on the Australian data, the inflation of Australian data to the US market, the f orecasted shipments, and the attribution of the shipments to the specific product classes.

### 15 Table 7.3

. 4 Computer Room Air Conditioner Shipments

Year Air

cooled

<65 Air

Cooled

65

- 240 Air

cooled

>240 Water

cooled

<65 Water

cooled

65

- 240 Water

cooled

>240 Water

cooled

<65 FE Water

cooled

65

- 240

FE Water

cooled

>240 FE Glycol

cooled

<65 Glycol

cooled

65

- 240 Glycol

cooled

>240 Glycol

cooled

<65

FE Glycol

cooled

65

- 240

FE Glycol

cooled

>240

FE

2012 671

- - 74

- - 46

- - 69

- - 69

- - 2013 691 7

, 499 1

, 677 76 1

, 233 470 47 1

, 036 180 71 1

, 233 387 71 1

, 431 345

2014 711 7

, 722 1

, 727 79 1

, 270 484 49 1

, 067 185 73 1

, 270 398 73 1

, 473 356

2015 732 7

, 951 1

, 778 81 1

, 308 498 50 1

, 098 190 75 1

, 308 410 75 1

, 517 366

2016 754 8

, 186 1

, 831 83 1

, 346 513 52 1

, 131 196 78 1

, 346 422 78 1

, 562 377

2017 776 8

, 427 1

, 885 86 1

, 386 528 53 1

, 164 202 80 1

, 386 435 80 1

, 608 388

2018 799 8

, 674 1

, 940 88 1

, 427 543 55 1

, 198 208 82 1

, 427 447 82 1

, 655 399

2019 823 8

, 933 1

, 998 91 1

, 469 559 56 1

, 234 214 85 1

, 469 461 85 1

, 704 411

2020 847 9

, 192 2

, 056 94 1

, 512 576 58 1

, 270 220 87 1

, 512 474 87 1

, 754 423

2021 847 9

, 198 2

, 057 94 1

, 513 576 58 1

, 271 220 87 1

, 513 474 87 1

, 755 424

2022 866 9

, 401 2

, 103 96 1

, 546 589 59 1

, 299 225 89 1

, 546 485 89 1

, 794 433

2023 885 9

, 604 2

, 148 98 1

, 580 602 61 1

, 327 230 91 1

, 580 495 91 1

, 832 442

2024 903 9

, 807 2

, 194 100 1

, 613 614 62 1

, 355 235 93 1

, 613 506 93 1

, 871 452

2025 922 10

, 009 2

, 239 102 1

, 646 627 63 1

, 383 240 95 1

, 646 516 95 1

, 910 461

2026 941 10

, 212 2

, 284 104 1

, 680 640 64 1

, 411 245 97 1

, 680 527 97 1

, 948 470

2027 959 10

, 415 2

, 330 106 1

, 713 652 66 1

, 439 249 99 1

, 713 537 99 1

, 987 480

2028 978 10

, 618 2

, 375 108 1

, 746 665 67 1

, 467 254 101 1

, 746 548 101 2

, 026 489

2029 997 10

, 821 2

, 420 110 1

, 780 678 68 1

, 495 259 103 1

, 780 558 103 2

, 064 498

2030 1

, 015 11

, 023 2

, 466 112 1

, 813 690 70 1

, 523 264 104 1

, 813 569 104 2

, 103 508

2031 1

, 034 11

, 226 2

, 511 114 1

, 846 703 71 1

, 551 269 106 1

, 846 579 106 2

, 142 517

2032 1

, 053 11

, 429 2

, 557 116 1

, 880 716 72 1

, 579 274 108 1

, 880 590 108 2

, 181 526

2033 1

, 071 11

, 632 2

, 602 118 1

, 913 729 73 1

, 607 279 110 1

, 913 600 110 2

, 219 536

2034 1

, 090 11

, 835 2

, 647 120 1

, 947 741 75 1

, 635 283 112 1

, 947 610 112 2

, 258 545

2035 1

, 109 12

, 038 2

, 693 122 1

, 980 754 76 1

, 663 288 114 1

, 980 621 114 2

, 297 554

2036 1

, 127 12

, 240 2

, 738 125 2

, 013 767 77 1

, 691 293 116 2

, 013 631 116 2

, 335 564

2037 1

, 146 12

, 443 2

, 783 127 2

, 047 779 79 1

, 719 298 118 2

, 047 642 118 2

, 374 573

2038 1

, 165 12

, 646 2

, 829 129 2

, 080 792 80 1

, 747 303 120 2

, 080 652 120 2

, 413 582

2039 1

, 183 12

, 849 2

, 874 131 2

, 113 805 81 1

, 775 308 122 2

, 113 663 122 2

, 451 592

2040 1

, 202 13

, 052 2

, 919 133 2

, 147 817 82 1

, 803 313 124 2

, 147 673 124 2

, 490 601

2041 1

, 221 13

, 254 2

, 965 135 2

, 180 830 84 1

, 831 317 126 2

, 180 684 126 2

, 529 610

2042

- 13

, 457 3

, 010

- 2

, 213 843

- 1

, 859 322

- 2

, 213 694

- 2

, 567 620

Cumulative 28,518 315,793 70,636 3

, 152 51,940 19

, 780 1

, 954 43,628 7

, 563 2

, 935 51,940 16

, 288 2

, 935 60,250 14

, 542

### 16 REFERENCES

1 

### Air

- Conditioning, Heating, and Refrigeration Institute, Historical Shipment Data Commercial

Air Conditioners Water Cooled

, 2011. Information provided by the Air

- Conditioning, Heating, and Refrigeration Institute (AHRI) to the U.S. Department of Energy, March 4, 2011.

2 

### U.S. Census. http:/ /www.census.gov/manufacturing/cir/historical_data/ma333m/index.html

, http://permanent.access.gpo.gov/lps38720/

.

3 

### EnergyConsult Pty Ltd. September 2008. Equipment Energy Efficiency Committee Regulatory Impact Statement Consultation Draft: Minimum Energy Performance Standards and Alternative Strategies for Close Control Air Conditioners. Report No 2008/11. www.energyrating.gov.au

.

4 

### Australian Bureau of Statistics. http://www.abs.gov.au .;U.S. Census. http://factfinder.census.gov

.

5 

### Air

- Conditioni ng, Heating, and Refrigeration Institute, Directory of Certified Performance for

Water

- to

- Air and Water

- to

- Water Heat Pumps (excluding groundwater loop and ground loop);

Air

- Conditioning, Heating, and Refrigeration Institute, Directory of Certified Perform ance for

VRF Multi

- Split Water

- to

- Air Heat Pumps.