... ,;t EE-RM/STD-oo-100 EE·RM·STD·OO·100 COMMENT 07CC



# Ener y Efficiency Stand rds f r C 

# m erci I 

# ro ts

Public Workshop July 11, 2000EE·RM·5TD·00·100 COMMENT 07CC 

# AC 

# C ere 

# r

...Commercial Packaged

### Air Conditioning and Heating Equipment Packaged Terminal AirConditioners and Packaged Terminal Heat Pumps EE-RM/STD-oo-100 

# 7(!

# c:
ts

Warm Air Furnaces and PackagedBoilersAmended Standard 90.1 (October 29, 1999)

42 USC 6313 (a)(6)(A) EE·RM·STD·OO·100 COMMENT 07CC



### • 

# ulr

"IfASHRAEIIES Standard 90.1,

... is amended with respect to any
... equipment,

... the Secretary shall establish an amended uniform national standard

... atthe minimum level

... specified in the amended ASHRAE/IES Standard 90.1, unless the Secretary determines, by rule

... supported by clear and convincing evidence, that adoption ofa uniform national standard more stringentthan such

... would result in significant additional conservation ofenergy and is technologically feasible and economicallyjustified." EE-RM/STD-oo-100 

# 7 C**~**


# e tEE-RM/STD-00-100 EE·RM·STD·OO·100 COMMENT 07CC 

# 7CC 

# D Proc 55· EE-RM/STO-00_100 

# 7 C:C EE-RM-STD-OO-100 COMMENT 07CC 

# h 

# r III! 

# I 

# nal III 

# I



# • Conducted in a short time frame, using best data and tools available • Analyzed the following product categories

- 22 cooling product categories -10 heating product categories

- 7 water heating product categories 

# • Considering the next steps based on a review ofthe resultsEE-RM/STD-OO_100 

# 7 {!

# L EE·RM·STD·OO·100 COMMENT 07CC

!III 

# r nlng

Product Category

3-Phase Single Package Air Source AC <65 kBtu/h Central Air Source AC 135
- 240 kBtu/h Packaged Terminal Air Conditioners 3-Phase SplitAir SourceAC <65 kBtu/h Packaged Terminal Heat Pumps Small Gas-Fired Boilers #2.5 mmBtu 3-Phase Single Package Air Source HP <65 kBtu/h Tankless Gas Instantaneous Water Heaters Large Gas-Fired Boilers >2.5 mmBtu 3-Phase SplitAir Source HP <65 kBtu/h Central, Water Source HP 17
- 65 kBtu/h Central Air Source HP 135
- 240 kBtu/h Electric Water Heater (120 gal) Central Water Cooled AC 65
- 135 kBtu/h Central Water Cooled AC 135
- 240 kBtu/h Central Air Source AC 65
- 135 kBtu/h Central Air Source HP 65
- 135 kBtu/h Central Water Cooled AC <65 kBtu/h Central Water Source HP <17 kBtu/h Central Water Source HP 65
- 135 kBtu/h Gas-Fired Warm Air Furnaces $225 kBtu/h Gas Storage Water Heaters #155 kBtu/h Gas Storage Water Heaters >155 kBtu/h Instantaneous Gas Water Heaterswith Tanks 

# es It

Efficiency

Level at Minimum Life-Cycle Cost

12 10.4 10.5 11 9.9 78.70% 12 81.50% 85.3%* 12 12.5 10.4

1 12.4 11.5 10.3 10.1 12.1 11.2 12 77.50% 80.00% 80.40% 80.00% 

# I l1li 

# I

Relative to ASHRAE 90.1-1999 National Energy Savings

(TBtu) 1,412.70

428.8 311.7 278.6

249 200 183.6

102 79 66.4

65 31.4 6.6 2.7 2.5

o o 

### o o o o o o o National Total NPV (Millions of

1998 $'s)

897.70 417.9 274.7 109.1 241.9

146 91.3 45.3 86.6 47 23 3.2 1.1 0.8

3 o o o o o o o o o National Carbon Emission Reductions (Million Tons) 21 6 5 4 4 3 3 2 1 1 1 1 o o o o o o o o o o o o 

# .., U) 

## o 

## o (1)



### ....... 

## o >. 

### U**~** 

### ....... ....J 

## E ::s 

## E

....... 

### c:



## ......**~**sO 

## u...EE-RM/STD-00-100

# 7 (c:.
EE·RM·STD·OO·100 COMMENT 07CC 

# Action

.. Underconsideration: Immediately adoptASHRAE 90.1-1999 levels forthe majority ofproducts, conductfurther analysis forsome products and rejectfor one product.
Action Number of Product Categories Adopt Immediately 20 FurtherAnalysis and encourage ASHRAE Addendum 9 Encourage ASHRAE Addendum 4 Retain current standard level (electric water heaters) 1



## .. Furtheranalysis could indicatethat either -a higher efficiency level may be warranted, or -ASHRAE 90.1-1999 

## levels are warranted.EE-RM/STD-OO-100 

# ?C

# c
EE·RM·STD·00·100 COMMENT 07CC 

# tion (Cont' )

Consider immediately adopting ASHRAE 90.1-1999 levels
• Central water source heat pumps • Central water cooled airconditioners • Central air source airconditioners and heat pumps (65
- 135 kBtu/h) • Gas-fired warm airfurnaces • Gas storage water heaters • Gas instantaneous water heaters with tanksEE-RM/STD-OO-100

# 7

# Cc

EE·RM·STD·00·100 COMMENT 07CC 

# eti ns (C 

# nt' )

Considerfurther analysis/recommend addendum to ASHRAE
• Central air-source ACs and heat pumps (135
- 240 kBtu/h) • Packaged terminal air conditioners and heat pumps • Steam and hotwater boilers • Tankless gas instantaneous water heaters 

### Recommend addendum toASHRAE
• 3-phase single package and split air source air conditioners and heat pumps 

## « 65 kBtu/h) 

### Leave EPCAstandard in force • Electric water heaters

## 500



# - ..c 

## 400**~** ........ a:l 

# - 300 CJ) CJ) 0 --' 

## 200**~** 

### ..c -0 

## 100 c: 

### co

........ C/) 

### 0 EE·RM·STD·OO·100 COMMENT 07CC 

# I ctri St nd 

# t r 

# H o s 

# t r

-- SL (EPCA '92)

- - - - high (EPCA '92)

- ........ low (EPCA '92)**-t-----,,--,~~,,-""~,,~--,,--,..,_--.,..,..,._--,-'-''''~**_ _ _ SL (90.1-1999)

### ~**~~**

### 'o~**'\~ 'b~** **O)~ ~~~** **~~ ~** **~O;)~ ~~**  

### Rated Storage Volume (gallons) EE-RM/STD-OO-100 

# 7

# e L, 

### . EE-RM/STD-00-100 

# 7 cC EE·RM·STD·OO·100 COMMENT 07CC 

# utur nalytic I I su

• Use of updated costs for products and 90th percentile relative cost for cooling products • Seasonal electric cost data • Refrigerant phase-out and its impact on equipment performance and economic analysis • Package terminal product lifetime, installation and market application issues • Potential energy consumption and savings for furnaces • Any additional issues from workshop participantsEE-RM/STD-OO-100 

# 7 

# cc EE·RM·STD·00·100 COMMENT 07CCEE·RM·STD·OO·100 COMMENT 07CC 

# t te

• DOE has not made any final decisions on commercial product standard levels • DOE invites stakeholders to provide comments (July 31,2000 deadline) • DOE's next steps:

- consider comments

- publish the final rule for some product categories

- share technical analyses with stakeholders

- support 

## ASHRAE continuous maintenance process •••**EE-RMJSTD-OO~100**

# 7cC.