16 inches on center A to Z AAC Abraham Lincoln absorption chillers absorption cooling ACC accuracy acid acid rain acidic acidity acrylic active active solar active systems additions adjustment advanced combustion stoves advantages AFUE aged agent aging agreement air barrier air circulation air ducts air filters air handler air infiltration air infiltration barrier air intake air leak air pollution air quality air retarder air systems air temperature air-conditioner air-conditioning air-cooled chillers air-source heat pump alarm alkalinity aluminum aluminum siding amenities American Society for Testing and Materials ammonia analysis animals Annual Fuel Utilization Efficiency anti-freeze apartment appliances appreciation aquifer architect architecture argon asbestos asphalt asphalt shingle assessed assessment assumption ASTM attached garage attic attic vents audit auditor autoclaved aerated concrete autoclaved cellular concrete automatic setback thermostat awning back draft bacteria balance-of-system ballast Ballast Efficacy Factor Ballast Factor bank barrier paint basalt baseboard heater basement batch heater bathroom bathtub batt beam bedroom BEF BF BIB biggest blower door blower fan blown-in Blown-In-Blanket boiler bonding borrow BOS boundary branch circuit brass brick British Thermal Unit BTU builder building code building envelope building inspector building pressurization test built-up roofing burn burner bushes cabinets calculations camera cancer carbon carbon dioxide carbon monoxide carpets carport casement windows cast iron cast-in-place catalytic combustor cathode-disconnect ballasts caulk caulking caution CCT cedar ceiling fan cellulose cement cementitious central air-conditioning central return ceramic certification CFC CFL cfm characteristics chemical children chillers chimney chimney flue chimney liner chimney sweep chlorofluorocarbon churches circuit breaker circuit wiring clamp-on ammeter class clay Clean Air Act clerestory clerestory windows CLF clog closed-loop system CO coal Coefficient of Performance coils cold cathode fluorescent cold water collapse collectors Color Rendering Index combustible combustion combustion gases commercial commercial buildings common sense compact fluorescent compact fluorescent lamp comparable competent competitive complain compression compressor computers concentrating collectors concentrators concrete concrete block concrete slab condensate condensation condenser conduction conduit consistent consultant consulting Consumer Product Safety Commission contaminants contaminate contamination contract contracting contraction convection conventional cooling load factor COP copper correct Correlated Color Temperature corrode corrosion course court cover plate cracked cracking crawl space creosote CRI critical crucial crystalline silicon cubic feet per minute customer feedback cut corners damaged damper dangerous data daylighting deciduous tree deck deduction defrost degrees dehumidifier dehumidify dehumidifying heat pipes demand water heater Department of Energy desiccant desuperheater deteriorate dew point die differential diffuse diffusion dimensions dimmers direct-circulation systems direct-exchange ground-source heat pumps dirt floor disadvantage discharge discount disease dishwasher dissipates DOE do-it-yourself dollar door frames doors dormer double-pane draft drain drain water heat recovery drainage drain-down systems drapes drawback drill driveway drywall dual-source heat pumps dual-technology occupancy sensors duct duct leaks ductless heat pumps ductwork EA Earth economic economy educated EER EF EF rating effective aperture efficacy efficient efficient heating systems efficient operation eight inches electric bill electric chiller electric furnaces electric radiant floors electric radiant heaters electric resistance heat electric thermal storage heater electric water heaters electrical current electrical power electrical system electrical wire electrician electricity electrolytic process electromagnetic ballasts electronic ballasts electrons ellipsoidal reflector emergency emissions emissivity emittance encapsulated energy audit energy auditor energy consumption Energy Efficiency and Renewable Energy Clearinghouse Energy Efficiency Rating Energy Efficiency Ratio energy efficient Energy Factor energy improvements energy professional energy saving Energy Star energy systems EnergyGuide engineer engineering entrances environment environmental Environmental Protection Agency environmentally positive EPA EPS ER EREC ethylene evacuated-tube collectors evaporative cooler evaporative cooling evaporator evaporator coil evapotranspiration evergreen trees exaggerate excess water excessive exhaust exhaust fan expand expanded polystyrene expansion expensive experienced contractor expert expertise extension cord extensive extruded expanded polystyrene extruded polystyrene factory fahrenheit fail failure false family fan faucet faucet aerators federal Federal Housing Administration Federal Trade Commission felt-paper fence fenestration FHR fiberglass filament | filter fin comb financial financing finished areas fire fire barrier fire hazard fire resistant fire retardant firebox fireplace fireplace inserts fireproof First Hour Rating fixtures flame flame resistant flammable flashing flashlight flat roof flat-plate collector float floating floor flood floor covering floor joist floor plan Florida Solar Energy Center flow rate flow restrictors fluctuate flue flue pipe fluffable fluffed fluffing fluorescent fluorescent lamps fly ash foam foam board foam insulation foam-core panel foamed-in-place foil foot candle footing footing drain forced air system forced hot air system fossil fuels foundation foundation wall freeze freezer freezing Freon frost frost line frozen FSEC FTC fuel funds fungus furnace furniture fuse gallon gallons per minute galvanic corrosion garage gas gas burner gas fired heat pumps gas service geographical location geothermal heat pump geothermal system GHP glass glass wool glazed glazing global climate global environment gloves glue glycol government grade granules grass gravity ground coupled cooling ground loop systems grounding circuit ground-loop coils ground-source heat pumps groundwater growth guidelines gutters gypsum halogen hazard HCFC HDD health health hazard heat exchanger heat loss heat pump heat pump water heaters heat recovery ventilation Heat Transfer Multiplier heat traps heating contractor Heating Degree Days Heating Seasonal Performance Factor heating system heat-transfer fluid HFC HID hidden high-efficiency fireplaces high-intensity discharge highly high-mass high-pressure sodium high-silica sand home energy audit home improvement hopper windows horizontal loops hospitals hot water hot water system house wrap HPWH HRV HSPF HTM humid humidifier humidity hurt HVAC Hybrid ballasts hydrocarbon oils hydrocarbons hydrochlorofluorocarbon hydrofluorocarbon hydronic hydronic radiant floor ice dam ICF identical ignite illegal illumination immediately impermeable important inaccessible inaccessible areas inaccurate inactive inadequate incandescent incandescent bulbs income incorrect in-depth indirect water-heating systems indirect-fired industrial industry inefficient inexpensive infestation infrared infrared cameras infrared scanning insect insufficient Insulating Concrete Forms insulation insulator insurance integrated building design integrity intelligent interest rate invest investing investment investor iron isocyanurate kill kilowatt-hours kilowatts kitchen knob and tube wiring knowledge knowledgeable kraft paper krypton kW/ton kWh laboratory lake lamp land landscape landscaping lawn Lawrence Berkeley Laboratory laws lazy leak LED legal lend lender LER lethal liable license licensed electrician lie life expectancy lifespan light bulb light fixture light switch light-emitting diodes lights light-to-solar gain ratio lignin lime limitations limited liquid foam liquid movement liquid spray listing lithium bromide loan local codes loose-fill loose-fill insulation louvers low-e low-e coating low-emissivity low-flow showerhead low-pressure sodium LPW LSG lumber lumen lumens per watt luminaire Luminaire Efficacy/Efficiency Rating magnet magnetic ballasts major problem malfunction Manual J map market value masonry masonry heaters maximum measure measurement MEPS mercury mercury vapor metal halide metal roofing microclimate mineral mineral wool minimum mini-split systems minor mitigated mitigation modified bitumen membranes moisture moisture problems mold molded expanded polystyrene money mortar mortar joints mortgage municipal must be mylar coatings nails National Electric Code National Fenestration Rating Council National Fire Protection Association natural gas natural resources nature NEC necessary negative neighbor neutral NFPA NFRC nickel cadmium nitrogen nitrogen oxides nonconventional noncorrosive north-facing north-facing windows oak Oak Ridge National Laboratory obstructions occupancy sensors odor OE Office of Energy Efficiency and Renewable Energy oil oil fired OLED open-loop system opinion organic light-emitting diodes oriented strand board ORNL OSB outlet overflow overheat overheating overloaded oversized oxide oxygen ozone ozone layer paint panelized housing kits PAR parabolic aluminized reflectors parabolic reflector parabolic-trough collectors passive cooling passive infrared passive solar passive solar building passive solar design passive solar heating passive systems patios payment peak load percent perforated perimeter perlite perm perm rating permeable permit pesticides pests PET petroleum pets pH phantom loads phenolic phenolic foam phosphor powder photocells photographs photosensors photovoltaic photovoltaic cells physical physics pilot light PIR piston compressors pitch plants plaster plastic plastic cover plexiglas plywood pollutants | pollute pollution polycarbonate polyester polyethylene polyisocyanurate polyolefin polystyrene polyurea polyurethane polyurethane foam polyvinyl fluoride pond pool pool heater portland cement positive positive cash flow potential problems pounds per square inch poured concrete poured foam precast concrete precaution predict prediction pre-purchase present value preset prevent moisture prime probe profitable programmable thermostat prohibit propane propane gas propylene pumped out purchase PV PVC pyrolytic quartz radiant air floors radiant barrier radiant floor cooling radiant floor heat radiant heat radiant heating systems radiation radiative cooling radiator radon rafters rain rainwater rare rating RCC recharge recommend recording records recycle red light redwood referral reflectance reflective reflective coating reflective insulation reflective window coatings reflectivity reflectors refrigerant refrigeration heat reclaimer refrigerator registers regulate regulations reinforcing bars relamping relief valve renovate replacement reputable required requirement reroofing reset residential residual restricting restriction retail retrofit return ducts return pipes reverse cycle chiller reversed R-factor RHR ridge vent right rigid board rigid board insulation rigid foam rigid foam board rigid foam insulation rigid insulation board river rocks rockwool rockwool insulation roll-roofing roof roof framing roof rafters roof sheathing roof shingle roof vents rosin rot R-value R-value per inch safe safety safety hazard salt sand sandwich panel saving energy saw tooth roof scaling school screwdriver screws scroll compressor Seasonal Energy Efficiency Rating Seasonal Energy Efficiency Ratio secondary market security sediment SEER SEIA Select wood sensors separate zone septic septic system serious setback thermostat setting sewage sewer shades sheathing sheet metal SHGC shingles short cycle shower showerhead shrub shutters sidewalk siding significant silicone sill plate single-pane single-speed compressors sink SIP site six inches skylight slab-on-grade slag wool slate sliding glass smell smog smoke smoke detector snow sodium soffit vent solar cells solar collectors solar design solar energy Solar Energy Industries Association solar heat Solar Heat Gain Coefficient solar hot water solar pool heater solar radiation Solar Rating and Certification Corporation solar screens solar systems solar water heater solid-state lighting solvents soot south-facing south-facing windows space heater species split-system heat pump sprayed-in-place square feet square footage SRCC stability stain staircase stairway state static pressure statistics steam steam system steel steel plate stone storage tank storm doors straw stream stress-skin panel structural structural damage structural foam panel Structural Insulated Panel stucco sub flooring suggestions sulfur dioxide sulphur hexafluoride sump pump sun sunspace supply ducts surface surface thermometers survey swamp coolers swimming pool switches synthetic system efficacy tank tankless water heaters tar tar deposits tax technique temperature temperature/pressure relief valve terephthalate termite termite damage thermal defects thermal energy thermal envelope thermal insulation thermal mass thermal performance thermal storage thermographic inspection thermographic scan thermography thermometer thermoplastic membrane thermosiphon systems thermosiphoning thermostat third party tile tile roof toilet ton tool torchiere lamps torchieres toxic trees trombe wall tub tungsten tungsten halogen two-speed compressor type of construction U.S. Department of Energy UBC UF U-factor Ultrasonic sensors ultraviolet Underwriters Laboratories uneven Uniform Building Code uninsulated United States unnecessary unreliable upgrading Urea-Formaldehyde urethane urethane foams utility utility bill utility company UV U-value vacuum value valve vapor barrier vapor diffusion vapor diffusion retarder vapor pressure vapor retarder VDR vegetation venetian blinds ventilation vents vermiculite vertical loops vines visible transmittance voids volt voltage volume VT walks wall cavity wall studs warehouse warranty washing machine waste water damage water heater water level water lines water per minute water pipes water pressure water softener water source heat pumps water storage tank water supply water table water usage water vapor water-heating waterproof water-source heat pumps wattage watts watts per square meter weather weatherization weatherize weather-strip weep holes weight well water wells whole building design whole house fan wind windbreak window air-conditioner window frames windows window-to-wall ratio winds wing walls wire wood lignin wood shake shingles wood shingles wood stoves wood-burning appliance wood-burning boilers wood-burning fireplaces wood-burning stoves wood-burning system woodstoves worth WWR XEPS XPS zone zone heating zoning |