minimum_efficiency_requirements_tables_for_heating_cooling_products.pdf

MINIMUM EFFICIENCY REQUIREMENTS TABLES FOR HEATING AND COOLING

PRODUCT CATEGORIES

The Federal Energy Management Program (FEMP) created tables that mirror American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) 90.1-2013 tables, which include minimum efficiency requirements for FEMP-designated and ENERGY STAR-qualified heating and cooling product categories.

Air-Source Heat Pumps (Residential), Central Air Conditioners (Residential), Geothermal Heat Pumps (Residential), and Light Commercial Heating and Cooling Equipment

Electrically Operated Unitary Heat Pumps: Minimum Efficiency Requirements

Equipment Type Size Category Heating Section

Type

Subcategory or Rating

Condition Minimum Efficiency

Air-cooled (cooling mode)

<65,000 Btu/h All

Split system

14 SEER; 11 EER;

8.2 HSPF (three

phase)

14.5 SEER; 12 EER;

8.2 HSPF (single

phase)

Single package

14 SEER; 11 EER;

8.0 HSPF (three

phase)

14 SEER; 11 EER;

8.0 HSPF (single

phase)

≥65,000 Btu/h and <135,000 Btu/h

Electric resistance (or none)

Split system and single package

11.3 EER; 11.4 IEER;

3.35 COP

≥135,000 Btu/h and <240,000 Btu/h

Electric resistance (or none)

Split system and single package

10.9 EER; 11 IEER;

3.25 COP

≥240,000 Btu/ha Electric resistance (or none)

Split system and single package 9.5 EER; 10.6 IEER

Geothermal, closed loop water-to-air

17.1 EER; 3.6 COP

(single phase)

Geothermal, open loop water-to-air 21.1 EER; 4.1 COP

(single phase) Geothermal, closed loop water-to-water

16.1; 3.1 COP (single phase)

Geothermal, open loop water-to-water

20.1; 3.5 COP (single phase)

Geothermal, DGX 16.0 EER; 3.6 COP (single phase) a Heat pumps with size equal to or greater than 240,000 Btu/h are not covered by federal purchasing requirements. Minimum efficiency presented is consistent with ASRHAE 90.1-2013.

Central Air Conditioners and Light Commercial Heating and Cooling Equipment

Electrically Operated Unitary Air Conditioners: Minimum Efficiency Requirements

Equipment Type Size Category Heating Section

Type

Subcategory or Rating Condition

Minimum Efficiency

Air conditioners, air-cooled

<65,000 Btu/h All

Split system

14.5 SEER and 12

EER (single phase)

14 SEER and 12 EER (three phase)

Single package

14 SEER and 11 EER (single phase)

14 SEER and 11 EER (three phase)

≥65,000 Btu/h and <135,000 Btu/h

Electric resistance (or none)

Split system and single package

11.7 EER and 11.8

IEER

All other Split system and single package

11.5 EER and 11.6

IEER

≥135,000 Btu/h and <240,000 Btu/h

Electric resistance (or none)

Split system and single package

11.7 EER and 11.8

IEER

All other Split system and single package

11.5 and 11.6 IEER

≥240,000 Btu/h and <760,000 Btu/ha

Electric resistance (or none)

Split system and single package

12.4 EER and 13.6

IEER

All other Split system and single package

12.2 EER and 13.4

IEER

≥760,000 Btu/ha

Electric resistance (or none)

Split system and single package

12.2 EER and 13.5

IEER

All other Split system and single package

12.0 EER and 13.3

IEER

a Air conditioners with size equal to or greater than 240,000 Btu/h are not covered by federal purchasing

Boilers (Residential) and Boilers (Commercial)

Gas- and Oil-Fired Boilers: Minimum Efficiency Requirements Equipment

Type Subcategory or

Rating Condition Size Category

(Input) Efficiency Metric Minimum Efficiency

Boilers, hot water

Gas-fired

<300,000 Btu/h AFUE 90% ≥300,000 Btu/h and ≤2,500,000 Btu/h Eta 95%

>2,500,000 Btu/h and ≤10,000,000

Btu/h Et 94%

>10,000,000 Btu/hb Ec 82%

Oil-fired

<300,000 Btu/h AFUE 87% ≥300,000 Btu/h and ≤2,500,000 Btu/h Et 85.5%

>2,500,000 Btu/h and ≤10,000,000

Btu/h Et 86%

>10,000,000 Btu/hb Ec 84%

Boilers, steam

Gas-fired <300,000 Btu/h AFUE 90%

Gas-fired (all, except natural draft)

≥300,000 Btu/h and ≤2,500,000 Btu/h Et 81%

>2,500,000 Btu/h and ≤10,000,000

Btu/h Et 83%

>10,000,000 Btu/hb Et 79%

Gas-fired, natural draft

≥300,000 Btu/h and ≤2,500,000 Btu/h Et 81%

>2,500,000 Btu/h and ≤10,000,000

Btu/h Et 83%

>10,000,000 Btu/hb Et 77%

Oil-fired

<300,000 Btu/h AFUE 87% ≥300,000 Btu/h and ≤2,500,000 Btu/h Et 84%

>2,500,000 Btu/h and ≤10,000,000

Btu/h Et 85.5%

>10,000,000 Btu/hb Et 81% a Thermal efficieny (Et) is based on Hydronics Institute, Method to Determine Efficiency of Commercial Space Heating Boilers (HI BTS-2000, Rev. 06.07).

b Boilers with input greater than 10,000,000 Btu/h are not covered by federal purchasing requirements.

Minimum efficiency presented is consistent with ASRHAE 90.1-2013 Table 6.8.1-6.

Electric Chillers, Air-Cooled and Water-Cooled

Water-Chilling Packages: Minimum Efficiency Requirements

Equipment Type Size Category Units

Minimum Efficiency Path A (Full-Load

Optimized Applications)

Path B (Part-Load Optimized

Applications)

Air-cooled <150 t EER (Btu/W)

≥10.40 FL ≥9.70 FL

≥13.69 IPLV ≥15.81 IPLV

Air-cooled ≥150 t EER (Btu/W)

≥10.50 FL ≥9.70 FL

≥14.00 IPLV ≥16.10 IPLV

Water-cooled, electrically operated positive displacement

<75 t kW/t

≤0.73 FL ≤0.78 FL

≤0.60 IPLV ≤0.50 IPLV

Water-cooled, electrically operated positive displacement

≥75 t and <150 t kW/t

≤0.72 FL ≤0.75 FL

≤0.56 IPLV ≤0.49 IPLV

Water-cooled, electrically operated positive displacement

≥150 t and <300 t kW/t

≤0.65 FL ≤0.68 FL

≤0.54 IPLV ≤0.44 IPLV

Water-cooled, electrically operated positive displacement

≥300 t and <600 t kW/t

≤0.61 FL ≤0.62 FL

≤0.52 IPLV ≤0.41 IPLV

Water-cooled, electrically operated positive displacement

≥600 t kW/t

≤0.56 FL ≤0.58 FL

≤0.50 IPLV ≤0.38 IPLV

Water-cooled, electrically operated centrifugal <150 t kW/t

≤0.61 FL ≤0.69 FL

≤0.55 IPLV ≤0.44 IPLV

Water-cooled, electrically operated centrifugal

≥150 t and <300 t kW/t

≤0.61 FL ≤0.63 FL

≤0.55 IPLV ≤0.40 IPLV

Water-cooled, electrically operated centrifugal

≥300 t and <400 t kW/t

≤0.56 FL ≤0.59 FL

≤0.52 IPLV ≤0.39 IPLV

Water-cooled, electrically operated centrifugal

≥400 t and <600 t kW/t

≤0.56 FL ≤0.58 FL

≤0.50 IPLV ≤0.38 IPLV

Water-cooled, electrically operated centrifugal ≥600 t kW/t

≤0.56 FL ≤0.58 FL

≤0.50 IPLV ≤0.38 IPLV

Electric Storage Water Heaters, Gas Storage Water Heaters, Gas Water Heaters, and Solar Water Heaters

Water-Heating Equipment: Performance Requirements

Equipment Type Size Category (Input) Subcategory or Rating Condition Performance Required

Electric storage water heaters ≤24 A and ≤250 V

Heat pump ≤55 gal EFa ≥2.0 and FHR ≥50 gal/h

Heat pump >55 gal and ≤120 gal EF ≥2.2 and FHR ≥50 gal/h

Gas storage water heaters

≤75,000 Btu/h

≥20 gal and ≤55 gal EF ≥0.67 and FHR ≥67 gal/h

>55 gal and ≤100 gal EF ≥0.77 and FHR ≥67 gal/h

>75,000 Btu/h >100 gal and ≤140 gal

TE ≥0.94 or EF ≥0.93 and SL ≤0.84 * [(input rate/800) +

100√volume)] Btu/h

Gas instantaneous water heaters

≥50,000 Btu/h and <200,000 Btu/h <4,000 (Btu/h)/gal EF ≥0.90 and GPM ≥2.5 over a 77-deg rise

≥200,000 Btu/h ≥4,000 (Btu/h)/gal TE ≥0.94 or EF ≥0.93

Solar water heaters ≤75,000 Btu/h

Electric backup SEF ≥1.8

Gas backup SEF ≥1.2 a Energy factor (EF) is an efficiency ratio of the energy supplied in heater water divided by the energy input to the water heater.

Gas Furnaces

Warm-Air Furnaces: Minimum Efficiency Requirements

Equipment Type Size Category (Input)

Subcategory or Rating Condition Minimum Efficiency

Warm-air furnace, gas fired

<225,000 Btu/h Maximum capacity ≥95.0% (U.S.

North/Canada) ≥90.0% (U.S. South)

≥225,000 Btu/ha Maximum capacity 80% Et

Warm-air furnace, oil fired

<225,000 Btu/h Maximum capacity ≥85% AFUE ≥225,000 Btu/ha Maximum capacity 81% Et a Furnaces with input equal to or greater than 225,000 Btu/h are not covered by federal purchasing

Room Air Conditioners

Electrically Operated Room Air Conditioners: Minimum Efficiency Requirements

Equipment Type Size Category (Input)

Subcategory or Rating

Condition Minimum Efficiency

Room air conditioners with louvered sides

<6,000 Btu/h - 11.2 EER and 11.0

CEER

≥6,000 Btu/h and <8,000 Btu/h - 11.2 EER and 11.0

CEER

≥8,000 Btu/h and

<14,000 Btu/h - 11.3 EER and 11.2

CEER

≥14,000 Btu/h and <20,000 Btu/h - 11.2 EER and 11.1

CEER

≥20,000 Btu/h - 9.8 EER and 9.8

CEER

Room air conditioners without louvered sides

≤8,000 Btu/h - 10.4 EER and 10.2

CEER

≥8,000 Btu/h and <20,000 Btu/h - 9.8 EER and 9.7

CEER

≥20,000 Btu/h and

<28,000 Btu/h - 9.8 EER and 9.7

CEER

≥28,000,000 Btu/h - 9.8 EER and 9.8

CEER

Room air-conditioner heat pumps with louvered sides

<20,000 Btu/h - 10.4 EER and 10.3

CEER

≥20,000 Btu/h - 9.8 EER and 9.8

CEER

Room air-conditioner heat pumps without louvered sides

<14,000 Btu/h - 9.8 EER and 9.7

CEER

≥14,000 Btu/h - 9.2 EER and 9.1

CEER

Room air conditioner, casement only All capacities - 10.0 EER and 9.9

CEER

Room air conditioner, casement slider All capacities - 10.9 EER and 10.8

CEER

MINIMUM EFFICIENCY REQUIREMENTS TABLES FOR HEATING AND COOLING PRODUCT CATEGORIES