National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
EPA
WaterSense
Fixtures and
Appliances
Residential
Toilets
Residential
Bathroom
Faucets
Residential
Showerheads
Residential
Clothes
Washers
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
1.6 gpf1
2.2 gpm at 60 psi3
2.5 gpm at 80 psi
MEF > 1.26
ft3/kWh/cycle
*No specified
water use factor
Proposed/Future
Standard
Proposed to DOE
Asst. Sec. jointly
by AHAM and
efficiency
advocates to be
effective in 2011
MEF> 1.26
ft3/kWh/cycle
WF < 9.5
gal/cycle/ft3
WaterSenseŽ or ENERGY STARŽ
Current Specification
WaterSense
1. 28 gpf with at least 350
gram waste removal2
WaterSense
1.5 gpm at 60 psi
(no less than 0.8 gpm at
20 psi)4
No specification
ENERGY STAR (DOE)
MEF > 1.72
ft3/kWh/cycle;
WF < 8.0 gal/cycle/ft3
Proposed/Future
Specification
Proposed to DOE
Asst. Sec. jointly by
AHAM and
efficiency advocates
to be effective July
1, 2009
MEF > 1.8
ft3/kWh/cycle
WF<75
gal/cycle/ft3
Consortium for Energy Efficiency
Current
Specification
No
specification
No
specification
No
specification
Tierl:
MEF > 1.80
ft3/kWh/cycle;
WF < 7.5
gal/cycle/ft3
Tier 2:
MEF > 2.00
ft3/kWh/cycle;
WF < 6.0
gal/cycle/ft3
Tier 3:
MEF > 2.20
ft3/kWh/cycle;
WF < 4.5
gal/cycle/ft3
Proposed/Future
Specification
1 EPAct 1992 standard for toilets applies to both commercial and residential models.
2 See WaterSense HET specification at http://www.epa.gov/watersense/docs/spec_het508.pdf
3 EPAct 1992 standard for faucets applies to both commercial and residential models.
4 See WaterSense specification for lavatory faucets at http://www.epa.gov/watersense/docs/faucet_spec508.pdf
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
Page 1
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National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
vense
Fixtures and
Appliances
Residential
Dishwashers5
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
Standard models:
EF > 0.46
cycles/kWh
Compact models:
EF > 0.62
cycles/kWh
*No specified
water use factor
Proposed/Future
Standard
New standards
under
development:
DOE scheduled
final action: March
2009;
Stakeholder
meeting held
4/27/2006
Proposed to DOE
Asst. Sec. jointly
by AHAM and
efficiency
advocates to be
effective in 2010
Standard models:
355 kWh/year
(.62 EF + 1 watt
standby)
WF<6.5
gallons/cycle
Compact models:
260 kWh/year
WF<45
gallons/cycle
WaterSenseŽ or ENERGY STARŽ
Current Specification
ENERGY STAR (DOE)
Standard models:
EF > 0.65 cycles/kWh
Compact models:
EF>0.88cycles/kWh
*No specified water use
factor
Proposed/Future
Specification
Proposed to DOE
Asst. Sec. jointly by
AHAM and
efficiency advocates
to be effective in
2009
Standard models:
324 kWh/year
(0.68 EF + 1 watt
standby)
WF<5.8
gallons/cycle
Compact models:
234 kWh/year
WF < 40
gallons/cycle
Consortium for Energy Efficiency
Current
Specification
Standard
models:
Tierl:
EF>0.65
cycles/kWh;
maximum 339
kWh/year
Tier 2:
EF>0.68
cycles/kWh;
maximum 325
kWh/year
Compact
models:
Tier 1:
EF>0.88
rvrles/kWVr
wy wiwo/js. vv 11,
maximum 252
kWh/year
*No specified
water use factor
Proposed/Future
Specification
In December 2006,
CEE announced they
will consider adding
a water factor in
future dishwasher
specifications
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
Page 2
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National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
vense
Fixtures and
Appliances
Commercial
Toilets
Urinals
Commercial
Faucets
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
1.6 gpf6
1.0 gpf
2.2 gpm at 60 psi
NOTE: Superseded
by national
plumbing codes
(UPC and IPC) for
public lavatories:
0.5 gpm
maximum.8
0.25 gallons per
cycle for metering
faucets
Proposed/Future
Standard
WaterSenseŽ or ENERGY STARŽ
Current
Specification
No Specification7
No specification
WaterSense
specification
applicable to private
lavatories (e.g. hotel
room bathrooms) 9
1.5 gpm at 60 psi
(no less than 0.8 gpm
at 20 psi)
Proposed/Future
Specification
Consortium for Energy Efficiency
Current
Specification
No specification
No specification
No specification
Proposed/Future
Specification
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
Page3
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National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
vense
Fixtures and
Appliances
Commercial
Clothes
Washers
(Family-sized)
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
MEF > 1.26
ft3/kWh/cycle;
WF < 9.5
gal/cycle/ft3
Proposed/Future
Standard
New standards under
development:
DOE scheduled final
action: January 2010;
Stakeholder meeting
held 4/27/2006
WaterSenseŽ or ENERGY STARŽ
Current
Specification
ENERGY STAR
(DOE)
MEF > 1.72
ft3/kWh/cycle;
WF < 8.0
gal/cycle/ft3
Proposed/Future
Specification
Proposed to DOE
Asst. Sec. jointly by
AHAM and
efficiency advocates
to be effective July 1,
2009
MEF > 1.8
ft3/kWh/cycle
WF < 7.5
gal/cycle/ft3
Consortium for Energy Efficiency
Current
Specification
Tier 1:
MEF > 1.80
ft3/kWh/cycle;
WF < 7.5
gal/cycle/ft3
Tier 2:
>2.00
ft3/kWh/cycle;
WF < 6.0
gal/cycle/ft3
Tier 3:
MEF > 2.20
ft3/kWh/cycle;
WF < 4.5
gal/cycle/ft3
Proposed/Future
Specification
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
Page 4
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National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
vense
Fixtures and
Appliances
Commercial
Dishwashers
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
No standard
Proposed/Future
Standard
WaterSenseŽ or ENERGY STARŽ
Current
Specification
ENERGY STAR
(EPA)
Water Consumption;
Idle Energy:
Under counter.
Hi Temp: < 1.0
gal/rack; < 0.9 kW
LoTemp: < 1.70
gal/rack; < 0.5 kW
Stationary Single
Tank Door.
Hi Temp: < 0.95
gal/rack; <1.0kW
LoTemp: < 1.18
gal/rack; < 0.6 kW
Single Tank
Conveyor.
Hi Temp: < 0.70
gal/rack; < 2.0 kW
Lo Temp: < 0.79
gal/rack; < 1. 6 kW
Multiple Tank
Conveyor:
Hi Temp: < 0.54
gal/rack; < 2.6 kW
Lo Temp: < 0.54
gal/rack; < 2.0 kW
Proposed/Future
Specification
Consortium for Energy Efficiency
Current
Specification
No specification
Proposed/Future
Specification
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
PageS
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National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
vense
Fixtures and
Appliances
Automatic
Commercial
Ice Makers10
Pre-rinse
Spray Valves
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
No standard
Flow rate < 1.6
gpm (no pressure
specified; no
performance
requirement)
Proposed/Future
Standard
Effective 1/1/2010:
Energy and condenser
water efficiency
standards vary by
equipment type on a
sliding scale depending
on harvest rate and type
of cooling (see link to
additional information
at end of this table)
WaterSenseŽ or ENERGY STARŽ
Current
Specification
No specification
No specification
Proposed/Future
Specification
ENERGY STAR
(EPA) Effective
1/1/08:
Energy and water
efficiency standards
vary by equipment
type on a sliding
scale depending on
harvest rate. Water
cooled machines
excluded from
Energy Star (see link
to additional
information at end of
this table)
Proposed ENERGY
STAR specification
abandoned after
standard established
in EPAct 2005
Consortium for Energy Efficiency
Current
Specification
Energy and water
(potable and
condenser)
standards are
tiered and vary
by equipment
type on a sliding
scale depending
on harvest rate
and type of
cooling (see link
to additional
information at
end of this table)
No specification
(program
guidance
recommends 1.6
gpm at 60 psi and
a cleanability
requirement)
Proposed/Future
Specification
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
Page 6
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National Efficiency Standards and Specifications for
Residential and Commercial Water-Using Fixtures and Appliances
vense
Fixtures and
Appliances
Commercial
Steam
Cookers11
EPAct 1992, EPAct 2005
(or backlog NAECA updates)
Current
Standard
No standard
Proposed/Future
Standard
WaterSenseŽ or ENERGY STARŽ
Current
Specification
ENERGY STAR
(EPA)
Electric: 50%
cooking energy
efficiency; idle rate
400-800 Watts
Gas: 3 8% cooking
energy efficiency;
idle rate 6,250-
12,500 British
thermal units/hour
*No specified water
use factor
Proposed/Future
Specification
Consortium for Energy Efficiency
Current
Specification
Electric: 50%
cooking energy
efficiency; idle
rate 400-800
Watts
Gas: 38%
cooking energy
efficiency; idle
rate 6,250-
12,500 British
thermal
units/hour
Water Use Factor
(for both electric
and gas models):
Tier 1A:
< 15 gal/hr
Tier IB:
< 4 gal/hr
Proposed/Future
Specification
DOE: Department of Energy
EPA: Environmental Protection Agency
EPAct 1992: Energy Policy Act of 1992
EPAct 2005: Energy Policy Act of 2005
EF: energy factor
ft3: cubic feet
gal: gallons
gpm: gallons per minute
gpf: gallons per flush
kWh: kilowatt hour
MEF: modified energy factor
MaP: maximum performance
NAECA: National Appliance Energy Conservation Act
psi: pounds per square inch
WF: water factor Updated Dec. 11, 2007
Page?
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rt
National Efficiency Standards and Specifications for Jpx
Residential and Commercial Water-Using Fixtures and Appliances . v-^
Information/materials on EPAct 2005/NAECA standards: ,, 'PI I;" V
Toilets and Faucets
http://www.eere.energy.gov/buildings/appliance standards/residential/pdfs/plmrul.pdf (Page 13317)
Schedule for development of appliance and commercial equipment efficiency standards:
http://www.eere.energy.gov/buildings/appliance standards/2006 schedule setting.html
Commercial Clothes Washers and Dishwashers (agenda/presentations at 4/27/06 DOE public meeting on rulemaking):
http://www.eere.energv.gov/buildings/appliance standards/residential/home applmtg.html
Automatic Commercial Ice Maker Standards:
http://www.eere.energv.gov/buildings/appliance standards/pdfs/epact2005 appliance stds.pdf (Page 18)
Pre-rinse Spray Valves
http://www.eere.energy.gov/buildings/appliance_standards/pdfs/epact2005_appliance_stds.pdf (Page 10)
Information/materials on WaterSense specifications:
Toilets
http://www.epa.gov/watersense/specs/het.htm
Faucets
http://www.epa.gov/watersense/specs/faucet background.htm
Information/materials on ENERGY STAR specifications:
Clothes Washers
http://www.energystar.gov/index.cfm?c=clotheswash.pr_crit_clothes_washers
Residential Dishwashers
http://www.energystar.gov/index.cfm?c=dishwash.pr dishwashers
Commercial Dishwashers
http://www.energystar.gov/index.cfm?c=new_specs.comm_dishwashers
Automatic Commercial Ice Makers
http://www.energystar.gov/index.cfm?c=new specs.ice machines
Pre-rinse Spray Valves
http://www.energystar.gov/index.cfm?c=new specs.spray valves
Commercial Steam Cookers
http://www.energystar.gov/index.cfm?c=steamcookers.pr_steamcookers
DOE: Department of Energy EF: energy factor gpf: gallons per flush NAECA: National Appliance Energy Conservation Act
EPA: Environmental Protection Agency ft3: cubic feet kWh: kilowatt hour psi: pounds per square inch
EPAct 1992: Energy Policy Act of 1992 gal: gallons MEF: modified energy factor WF: water factor Updated Dec. 11,2007
EPAct 2005: Energy Policy Act of 2005 gpm: gallons per minute MaP: maximum performance Page 8
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rt
National Efficiency Standards and Specifications for Jpx
Residential and Commercial Water-Using Fixtures and Appliances . v-^
V./P;
Information/materials on CEE specifications:
Residential Clothes Washers
http://www.cee 1 .org/resid/seha/rwsh/rwsh-main.php3
Residential Dishwashers
http://www.cee 1 .org/resid/seha/dishw/di shw-main.php3
Commercial, Family-Sized Clothes Washers
http://www.cee 1 .org/com/cwsh/cwsh-main.php3
Commercial Ice-Makers
http://www.ceel.org/com/com-ref/ice-main.php3; Spec Table: http://www.cee 1 .org/com/com-kit/ice-specs.pdf
Pre-rinse Spray Valves
http://www.cee 1 .org/com/com-kit/prv-guides.pdf
Commercial Steam Cookers
http://www.cee 1 .org/com/com-kit/sc-hc-specs.pdf
DOE: Department of Energy EF: energy factor gpf: gallons per flush NAECA: National Appliance Energy Conservation Act
EPA: Environmental Protection Agency ft3: cubic feet kWh: kilowatt hour psi: pounds per square inch
EPAct 1992: Energy Policy Act of 1992 gal: gallons MEF: modified energy factor WF: water factor Updated Dec. 11,2007
EPAct 2005: Energy Policy Act of 2005 gpm: gallons per minute MaP: maximum performance Page 9
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