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Table C403.2.3(2)Minimum efficiency requirementsElectrically operated unitary and applied heat pumps.

Table C403.2.3(2)
Minimum Efficiency RequirementsElectrically Operated Unitary and Applied Heat Pumps
Equipment Type
Size Category
Heating Section Type
Subcategory or
Rating Condition
Minimum
Efficiency
Test Procedurea
Air cooled (cooling mode)
< 65,000 Btu/hb
All
Split System
14.0 SEER
AHRI 210/240
 
 
 
Single Packaged
14.0 SEER
 
Through-the-wall, air cooled (cooling mode)
≤ 30,000 Btu/hb
All
Split System
12.0 SEER
 
 
 
 
Single Packaged
12.0 SEER
 
Small duct high velocity,
air cooled
< 65,000 Btu/hb
All
Split System
11.0 SEER
 
Air cooled (cooling mode)
≥ 65,000 Btu/h and
< 135,000 Btu/h
Electric Resistance (or None)
Split System and Single Package
11.0 EER
12.2 IEER
AHRI 340/360
 
 
All Other
Split System and Single Package
10.8 EER
12.0 IEER
 
 
≥ 135,000 Btu/h and < 240,000 Btu/h
Electric Resistance (or None)
Split System and Single Package
10.6 EER
11.6 IEER
 
 
 
All Other
Split System and Single Package
10.4 EER
11.4 IEER
 
 
≥ 240,000 Btu/h
Electric Resistance (or None)
Split System and Single Package
9.5 EER
10.6 IEER
 
 
 
All Other
Split System and Single Package
9.3 EER
10.4 IEER
 
Water source (cooling mode)
< 17,000 Btu/h
All
86°F entering water
12.2 EER
ISO 13256-1
 
≥ 17,000 Btu/h and
< 65,000 Btu/h
All
86°F entering water
13.0 EER
 
 
≥ 65,000 Btu/h and
< 135,000 Btu/h
All
86°F entering water
13.0 EER
 
Ground water source (cooling mode)
< 135,000 Btu/h
All
59°F entering water
18.0 EER
 
Ground water source (cooling mode)
< 135,000 Btu/h
All
77°F entering water
14.1 EER
 
Water-source water to water (cooling mode)
< 135,000 Btu/h
All
86°F entering water
10.6 EER
ISO 13256-2
 
 
 
59°F entering water
16.3 EER
 
Ground water source brine to water (cooling mode)
< 135,000 Btu/h
All
77°F entering fluid
12.1 EER
 
Air cooled (heating mode)
< 65,000 Btu/hb
Split System
8.2 HSPF
AHRI 210/240
 
 
Single Package
8.0 HSPF
 
Through-the-wall, (air cooled, heating mode)
≤ 30,000 Btu/hb (cooling capacity)
Split System
7.4 HSPF
 
 
 
Single Package
7.4 HSPF
 
Small-duct high velocity (air cooled, heating mode)
< 65,000 Btu/hb
Split System
6.8 HSPF
 
Air cooled
(heating mode)
≥ 65,000 Btu/h and
< 135,000 Btu/h (cooling capacity)
47°F db/43ºF wb Outdoor Air
3.3 COP
AHRI 340/360
 
 
 
17ºF db/15ºF wb Outdoor Air
2.25 COP
 
 
≥ 135,000 Btu/h (cooling capacity)
47°F db/43ºF wb Outdoor Air
3.2 COP
 
 
 
 
17ºF db/15ºF wb Outdoor Air
2.05 COP
 
Water source (heating mode)
< 135,000 Btu/h (cooling capacity)
68°F entering water
4.3 COP
ISO 13256-1
Ground water source (heating mode)
< 135,000 Btu/h (cooling capacity)
50°F entering water
3.7 COP
 
Ground source (heating mode)
< 135,000 Btu/h (cooling capacity)
32°F entering fluid
3.2 COP
 
Water-source water to water (heating mode)
< 135,000 Btu/h (cooling capacity)
68°F entering water
3.7 COP
ISO 13256-2
 
 
50°F entering water
3.1 COP
 
Ground source brine to water (heating mode)
< 135,000 Btu/h (cooling capacity)
32°F entering fluid
2.5 COP
 
For SI:
1 British thermal unit per hour = 0.2931 W, °C = [(°F) - 32]/1.8.
a
Chapter 6 of the referenced standard contains a complete specification of the referenced test procedure, including the reference year version of the test procedure.
b
Single-phase, air-cooled air conditioners less than 65,000 Btu/h are regulated by NAECA. SEER values are those set by NAECA.
[Statutory Authority: RCW 19.27A.025, 19.27A.160, and 19.27.074. WSR 16-03-072, § 51-11C-403232, filed 1/19/16, effective 7/1/16. Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11-403232 (codified as WAC 51-11C-403232), filed 2/1/13, effective 7/1/13.]
Reviser's note: The brackets and enclosed material in the text of the above section occurred in the copy filed by the agency.
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