Life Cycle Cost Estimate for1 ENERGY STAR Qualified Room Air Conditioner(s)

Enter your own values in the gray boxes or use our default values.4

Number of units 1

Electricity Rate ($/kWh) $0.113

Initial Cost per Unit (estimated retail price) $220 $170

Energy Efficiency Ratio (EER) 10.8 9.8

Cooling Capacity of Air Conditioner (Btu/hr) 10,000 10,000

Annual and Life Cycle Costs and Savings for 1 Room Air Conditioner(s)

Energy cost $138 $152 $14

Energy consumption (kWh) 1,222 1,347 125

Maintenance cost $0 $0 $0

Total $138 $152 $14

Operating costs (energy and maintenance) $1,025 $1,130 $105

Energy costs $1,025 $1,130 $105

Energy consumption (kWh) 11,000 12,122 1,122

Maintenance costs $0 $0 $0

Purchase price for 1 unit(s) $220 $170 -$50

Total $1,245 $1,300 $55

3.6

Summary of Benefits for 1 Room Air Conditioner(s)

Initial cost difference $50Life cycle savings $105Net life cycle savings (life cycle savings - additional cost) $55Simple payback of additional cost (years) 3.6Life cycle energy saved (kWh) 1,122

1,729Air pollution reduction equivalence (number of cars removed from the road for a year) 0Savings as a percent of retail price 25%

This energy savings calculator was developed by the U.S. EPA and U.S. DOE and is provided for estimating purposes only. Actual energy savings may vary based on use and other factors.

ENERGY STAR Qualified Unit

Conventional Unit

1 ENERGY STAR Qualified Unit(s)

1 Conventional Unit(s)

Savings with ENERGY STAR

Annual Operating Costs*

Life Cycle Costs*

Simple payback of initial additional cost (years)†

* Annual costs exclude the initial purchase price. All costs, except initial cost, are discounted over the products' lifetime using a real discount rate of 4%. See "Assumptions" to change factors including the discount rate.† A simple payback period of zero years means that the payback is immediate.

Life cycle air pollution reduction (lbs of CO2)

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Assumptions for Room Air Conditioners

Category ValuePower

ENERGY STAR Qualified UnitInitial Cost Per Unit $220Energy Efficiency Ratio (EER) 10.8Cooling Capacity of Air Conditioner (Btu/hr) 10,000 Btu/hrLifetime 9 years

Conventional Unit (Manufactured After 1994)Initial Cost Per Unit $170Energy Efficiency Ratio (EER) 9.8Cooling Capacity of Air Conditioner (Btu/hr) 10,000 Btu/hrLifetime 9 years

MaintenanceLabor cost (per hour) $20Labor time (hours) 0

UsageFull-Load Cooling HoursFull-Load Cooling Hours for Selected Location 1,320AK-Anchorage 0AK-Barrow 0AK-Fairbanks 129AK-Juneau 0AK-Nome 0AL-Birmingham 1,557AL-Huntsville 1,464AL-Mobile 2,265AL-Montgomery 1,819AR-Fort Smith 1,432AR-Little Rock 1,583AZ-Flagstaff 179AZ-Phoenix 2,141AZ-Tucson 1,842AZ-Winslow 950AZ-Yuma 2,315CA-Beverly Hills 1,166CA-Los Angeles 1,530CA-Palm Springs 2,092CA-Sacramento 871CA-San Diego 1,347CA-San Francisco 224CA-Stockton 1,158CO-Alamosa 97CO-Colorado Springs 523CO-Denver 628CO-Grand Junction 997CO-Pueblo 834CT-Bridgeport 942CT-Hartford 695DC-Washington 1,320DE-Wilmington 1,015FL-Daytona Beach 2,763FL-Fort Myers 3,288FL-Gainesville 2,228FL-Jacksonville 2,086FL-Key West 4,566FL-Miami 3,931FL-Orlando 2,915FL-Pensacola 2,297FL-Tallahassee 2,215FL-Tampa 3,068FL-W. Palm Beach 3,479GA-Athens 1,493GA-Atlanta 1,484GA-Augusta 1,548GA-Columbus 1,845GA-Macon 1,900GA-Savannah 1,963HI-Hilo 4,179HI-Honolulu 5,016IA-Des Moines 941IA-Dubuque 605IA-Sioux City 836IA-Waterloo 667ID-Boise 614ID-Lewiston 636ID-Pocatello 411IL-Chicago 683IL-Moline 830

Assumptions for Room Air Conditioners

Category ValueIL-Peoria 948IL-Rockford 714IL-Springfield 1,036IN-Evansville 1,181IN-Fort Wayne 786IN-Indianapolis 948IN-South Bend 710KS-Dodge City 1,109KS-Goodland 723KS-Topeka 1,068KS-Wichita 1,225KY-Lexington 1,080KY-Louisville 1,150KY-Paducah 1,193LA-Baton Rouge 2,233LA-Lake Charles 2,299LA-New Orleans 2,388LA-Shreveport 1,892MA-Boston 729MA-Worcester 453MD-Baltimore 1,050ME-Caribou 220ME-Portland 321MI-Alpena 216MI-Detroit 642MI-Flint 497MI-Grand Rapids 595MI-Lansing 578MI-Marquette 222MI-Muskegon 570MI-Sault St Marie 196MN-Duluth 212MN-International Falls 288MN-Minneapolis 662MN-Rochester 523MN-St. Cloud 414MO-Columbia 1,050MO-Kansas City 1,032MO-Springfield 1,178MO-St. Louis 1,215MS-Jackson 1,832MS-Meridian 1,726MS-Tupelo 1,623MT-Billings 510MT-Glasgow 465MT-Great Falls 408MT-Havre 403MT-Helena 307MT-Kalispell 193MT-Miles city 621MT-Missoula 225NC-Asheville 919NC-Charlotte 1,325NC-Greensboro 1,203NC-Raleigh 1,239NC-Wilmington 1,758ND-Bismarck 437ND-Fargo 476ND-Williston 459NE-Grand Island 851NE-Lincoln 899NE-Norfolk 801NE-North Platte 640NE-Omaha 890NE-Scottsbluff 647NH-Concord 385NJ-Atlantic City 832NJ-Newark 1,007NM-Albuquerque 1,038NM-Roswell 1,355NV-Elko 361NV-Ely 209NV-Las Vegas 1,773NV-Reno 317NV-Winnemucca 418NY-Albany 515NY-Binghamton 440NY-Buffalo 571NY-New York 1,089NY-Rochester 554NY-Syracuse 552

Assumptions for Room Air Conditioners

Category ValueOH-Akron 714OH-Cincinnati 996OH-Cleveland 639OH-Columbus 828OH-Dayton 947OH-Mansfield 711OH-Toledo 649OH-Youngstown 554OK-Oklahoma City 1,436OK-Tulsa 1,486OR-Astoria 56OR-Eugene 261OR-Medford 534OR-Pendleton 622OR-Portland 379OR-Salem 248PA-Allentown 784PA-Erie 482PA-Harrisburg 929PA-Philadelphia 1,032PA-Pittsburgh 737PA-Scranton 621PA-Williamsport 659RI-Providence 656SC-Charleston 2,127SC-Columbia 1,626SC-Greenville 1,386SD-Aberdeen 544SD-Huron 633SD-Rapid City 593SD-Sioux Falls 691TN-Bristol 1,066TN-Chattanooga 1,353TN-Knoxville 1,288TN-Memphis 1,654TN-Nashville 1,375TX-Abilene 1,741TX-Amarillo 1,142TX-Austin 2,412TX-Brownsville 3,233TX-Corpus Christi 2,958TX-Dallas 1,926TX-Del Rio 2,380TX-El Paso 1,524TX-Galveston 2,967TX-Houston 2,209TX-Lubbock 1,298TX-Midland 1,546TX-Port Arthur 2,452TX-San Angelo 2,225TX-San Antonio 2,237TX-Victoria 2,465TX-Waco 2,041TX-Wichita Falls 1,671UT-Salt Lake City 785VA-Lynchburg 1,031VA-Norfolk 1,346VA-Richmond 1,188VA-Roanoke 1,002VT-Burlington 455WA-Olympia 125WA-Seattle 282WA-Spokane 395WA-Walla Walla 714WA-Yakima 415WI-Green Bay 457WI-La Crosse 713WI-Madison 487WI-Milwaukee 513WV-Beckley 699WV-Charleston 967WV-Elkins 477WV-Huntington 1,035WY-Casper 439WY-Cheyenne 353WY-Lander 455WY-Sheridan 387

Discount Rate

Commercial and Residential Discount Rate (real) 4%

Assumptions for Room Air Conditioners

Category Value

Assumptions for Room Air Conditioners

Category ValueEnergy Prices

Commercial Electricity Price $0.0962 $/kWhResidential Electricity Price $0.1128 $/kWh

Carbon Dioxide Emissions Factors

Electricity Carbon Emission Factor 1.54

11,244

If you have questions, comments or suggestions, please write to calculators@energystar.govCalculator last updated April 2009, utility and emission rates updated 2013

lbs CO2/kWh

CO2 Equivalents

Annual CO2 emissions per average passenger car lbs CO2/yr

Assumptions for Room Air Conditioners

Data Source

Average retail price of a qualified model in 2008 from national retail dataENERGY STAR CriteriaTypical room air conditioner size, April 2009Appliance Magazine, September 2008

Average retail price of a non-qualified model in 2008 from national retail pricingDOE Federal Test Procedure 10 CFR 430, Appendix FTypical room air conditioner size, April 2009Appliance Magazine, September 2008

EPA 2004EPA 2004

EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002

Assumptions for Room Air Conditioners

Data SourceEPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002

Assumptions for Room Air Conditioners

Data SourceEPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002EPA 2002

A real discount rate of 4 percent is assumed, which is roughly equivalent to the nominal discount rate of 7 percent (4 percent real discount rate + 3 percent inflation rate).

Assumptions for Room Air Conditioners

Data Source

Assumptions for Room Air Conditioners

Data Source

EPA 2013

National average: US Department of Energy, Annual Energy Outlook 2013 (Early Release edition), (converted from 2011 to 2012 dollars)

EPA Greenhouse Gas Equivalencies Calculator, 2013