ACRONYMS AND A BBREVIATIONS

**oC d**  **egrees Celsius** 

**oF d**  **egrees Fahrenheit** 

**AB S**  **ac rylonitrile**  **butadiene styrene** 

**AB SGF**  **acrylonitrile butadiene**  **styrene with**  **glass fill** 

**AC al**  **ternating current** 

**AC EEE**  **American Council**  **for an**  **Energy Efficient**  **Economy**

**AC RS**  **al uminized**  **cold rolled**  **steel**

**AEC annual**  **energy consumption** 

**AF UE**  **an nual**  **fuel utilization**  **efficiency**

**AEO annual**  **energy outlook** 

**AH RI**  **Ai r­Conditioning,**  **Heating, and**  **Refrigeration Institute** 

**ANO PR**  **Advance Notice**  **of Proposed**  **Rulemaking**

**ANS I**  **Am erican**  **National Standards**  **Institute**

**AP SP**  **As sociation**  **of Pool**  **and Spa**  **Professionals**

**AQ MD**  **Ai r**  **Quality Management**  **District**

**AR I**  **Ai r­Conditioning**  **and Refrigeration**  **Institution**

**AS HRAE**  **American Society**  **of Heating,**  **Refrigerating and**  **Air­Conditioning Engineers,**  **Inc.**

**AS M**  **an nual**  **survey of**  **manufacturers**

**BL DC**  **br ushless**  **direct current** 

**BO M**  **bi ll**  **of materials** 

**BP M**  **br ushless**  **permanent magnet** 

**Bt u/h**  **Br itish**  **thermal units**  **per hour** 

**CA PM**  **ca pital**  **asset pricing**  **model**

**CB ECS**  **Commercial Building**  **Energy Consumption**  **Survey**

**CEC California**  **Energy Commission** 

**CEE Consortium**  **for Energy**  **Efficiency**

**cf**

**m cub**  **ic foot**  **per minute** 

**CF R**  **co de**  **of federal**  **regulations**

**CH 4**  **me thane** 

**CI R**  **cu rrent**  **industrial reports** 

**CM ER**  **consumer marginal**  **energy rates** 

**CO 2**  **ca rbon**  **dioxide**

**CO P**  **co efficient**  **of performance** 

**CP I**  **co nsumer**  **price index** 

**CR S**  **co ld**  **rolled steel** 

**CS A**  **Ca nadian**  **Standards Association** 

**DC di**  **rect current** 

**DH E**  **di rect**  **heating equipment** 

**DO E**  **De partment**  **of Energy** 

**DO E/EIA**  **DOE Energy**  **Information Agency** 

**ECB en**  **ergy cost**  **budget**

**AA­ 1** **ECM el**  **ectronically­commutated**

**EF e**  **nergy factor** 

**EI R**  **en ergy**  **input ration** 

**EL ef**  **ficiency level** 

**EL CAP**  **End ­Use**  **Load and**  **Consumer Assessment**  **Program**

**EPA Env**  **ironmental Protection**  **Agency**

**EPA CT**  **Ene rgy**  **Policy Act** 

**EPC A**  **Ene rgy**  **Policy and**  **Conservation Act** 

**EPD M**  **et hylene**  **propylene diene**  **monomer**

**ESW H**  **el ectric**  **storage water**  **heater**

**FEM P**  **Fe deral**  **Energy Management**  **Program**

**FR Fe**  **deral Register** 

**FV IR**  **fl ammable**  **vapor ignition**  **resistant**

**GA MA**  **Ga s**  **Appliance Manufacturers**  **Association**

**GD P**  **gr oss**  **domestic product** 

**GH G**  **gr eenhouse**  **gas**

**GI WH**  **ga s­fired**  **instantaneous water**  **heater**

**GR IM**  **Go vernment**  **Regulatory Impact**  **Model**

**GS WH**  **ga s­fired**  **storage water**  **heater**

**HP BA**  **He arth,**  **Patio &**  **B arbecue**  **Association**

**HC FC**  **hy drochlorofluorocarbons** 

**HF C**  **hy drofluorocarbon** 

**Hg me**  **rcury**

**HI R**  **he ating**  **input ratio** 

**HV AC**  **he ating,**  **ventilating and**  **air­conditioning**

**IA PMO**  **International Association**  **of Plumbing**  **and Mechanical**  **Officials**

**IEC C**  **In ternational**  **Energy Conservation**  **Code**

**Im SET**  **Impact of**  **Sector Energy**  **Technologies**

**INP V**  **in dustry**  **net present**  **value**

**IW H**  **in stantaneous**  **water heater** 

**kW ki**  **lowatt**

**LC C**  **Li fe­Cycle**  **Cost**

**LB NL**  **La wrence**  **Berkeley National**  **Laboratory**

**lo w­e**  **low­emissivity**

**ma x**  **tech maximum**  **technology**

**MI A**  **ma nufacturer**  **impact analysis** 

**MJ me**  **gajoule**

**MP C**  **ma nufacturer**  **production cost** 

**MS P**  **ma nufacturer**  **selling price** 

**MTA market**  **and technology**  **assessment**

**N20 ni**  **trous oxide** 

**NAEC A**  **Nat ional**  **Appliance Energy**  **Conservation Amendments** 

**NAI CS**  **Nor th**  **American Industry**  **Classification System** 

**NECP A**  **Nat ional**  **Energy Conservation**  **Policy Act** 

**AA­ 2** **NEEA Northwest**  **Energy Efficiency**  **Alliance**

**NEMS Nat**  **ional Energy**  **Modeling System** 

**NES Na**  **tional Energy**  **Savings**

**NFS ne**  **w c**  **onstruction floor**  **space**

**NI A**  **na tional**  **impact analysis** 

**NI ST**  **Nat ional**  **Institute of**  **Standards and**  **Technology**

**NOA Not**  **ice of**  **Availability**

**NOP R**  **Not ice**  **of Proposed**  **Rulemaking**

**NOx ox**  **ides of**  **nitrogen**

**NPV Net**  **Present Value** 

**NRC an**  **Nat ural**  **Resources Canada** 

**O2 ox**  **ygen**

**OEM original**  **equipment manufacturer** 

**OM B**  **Of fice**  **of Management**  **and Budget** 

**OS WH**  **oi l­fired**  **storage water**  **heater**

**PA 6**  **Ny lon­6** 

**PB P**  **Pa y­Back**  **Period**

**PB T**  **po lybutylene**  **terephthalate**

**PB TGF**  **polybutylene terephthalate**  **with glass**  **fill**

**PH po**  **ol heater** 

**PL R**  **pa rt­load**  **ratio**

**PM MA**  **po lymethylmethacrylate** 

**PN NL**  **Pa cific**  **Northwest National**  **Laboratory**

**PP po**  **lypropylene**

**PP E**  **ne t**  **property, p**  **lant and**  **equipment**

**PP GF**  **po lypropylene**  **with glass**  **fiber**

**PP I**  **pr oducer**  **price indices** 

**pp m**  **pa rts**  **per million** 

**PP S**  **po lyphenylene**  **sulfide**

**PS po**  **lystyrene**

**PS C**  **pe rmanent**  **split capacitor** 

**PV C**  **po lyvinyl**  **chloride**

**R­ value**  **resistance­value**

**R& D**  **re search**  **and development** 

**RI A**  **re gulatory**  **impact analysis** 

**Ro HS**  **Re striction**  **of Hazardous**  **Substance Directive** 

**RP BP**  **re buttable**  **presumption payback**  **period**

**S& P**  **St andard**  **and Poor** 

**SB A**  **Sm all**  **Business Administration** 

**SB R**  **st yrene­butadiene**  **rubber**

**SC sh**  **ading coefficient** 

**SC AQMD**  **South Coast**  **Air Quality**  **Management District** 

**SEC Securities**  **and Exchange**  **Commission**

**SEG WHAI**  **Super Efficient**  **Gas Water**  **Heating Appliance**  **Initiative**

**AA­ 3** **SG&A se**  **lling, general,**  **and administrative** 

**SO 2**  **su lfur**  **dioxide**

**TBt u**  **tr illion**  **Btu**

**TMY 2**  **typical meteorological**  **year**

**TPTS two­phase**  **thermosiphon**

**TSD Tec**  **hnical Support**  **Document**

**UB C**  **Un iform**  **Building Code** 

**UEC unit**  **energy consumption** 

**UNEP United**  **Nations Environment**  **Program**

**U.S .C.**  **United States**  **Code**

**VA C**  **vo lts**  **alternating current** 

**W W**  **att**

**WA CC**  **we ighted­average**  **cost of**  **capital**

**AA­ 4**