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Solar air conditioning

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2205: 572: 136:).  Unlike the whole-house battery system, though, these batteries only run the air conditioner. The advantage of these systems is that, with enough solar and battery capacity, they can run at night or when it’s cloudy.  Another mini split version allows the solar panels to be plugged directly to the outside part of the unit, uses a 310v DC power bus, and offers optional 120v plug-in backup grid power ( 2217: 231:
quality could cause damage to the coils in the heat pump and shorten the life of the equipment. Another method is a closed loop system, in which a loop of tubing is run down a well or wells, or in trenches in the lawn, to cool an intermediate fluid. When wells are used, they are back-filled with bentonite grout or another grout material to ensure good thermal conductivity to the earth.
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chillers requiring high temperature heat input at the generator, in a range (120 ÷ 180 °C) which can only be satisfied by concentrating solar collectors. Moreover, several industrial applications require both cooling and steam for processes, and concentrating solar collectors can be very advantageous in the sense that their use is maximized
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Airport Las Vegas Nevada). In dry arid climates with relative humidity below 45% (about 40% of the continental U.S.) indirect evaporative coolers can achieve a SEER above 20, and up to SEER 40. A 29 kW (100,000 BTU/h) indirect evaporative cooler would only need enough photovoltaic power for the circulation fan (plus a water supply).
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Active solar cooling uses solar thermal collectors to provide solar energy to thermally driven chillers (usually adsorption or absorption chillers). Solar energy heats a fluid that provides heat to the generator of an absorption chiller and is recirculated back to the collectors. The heat provided to
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Active solar cooling wherein solar thermal collectors provide input energy for a desiccant cooling system. There are several commercially available systems that blow air through a desiccant impregnated medium for both the dehumidification and the regeneration cycle. The solar heat is one way that the
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has reduced heating-and-cooling load on 5.5 million low-income affordable homes an average of 31%. A hundred million American buildings still need improved weatherization. Careless conventional construction practices are still producing inefficient new buildings that need weatherization when they are
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In the past the fluid of choice was a 50/50 mixture of propylene glycol because it is non-toxic unlike ethylene glycol (which is used in car radiators). Propylene glycol is viscous, and would eventually gum up some parts in the loop(s), so it has fallen out of favor. Today , the most common transfer
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These projects have shown that flat plate solar collectors specially developed for temperatures over 200 °F (93 °C) (featuring double glazing, increased backside insulation, etc.) can be effective and cost-efficient. Where water can be heated well above 190 °F (88 °C), it can be
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only produce about 160 °F (71 °C) water. High temperature flat plate, concentrating (CSP) or evacuated tube collectors are needed to produce the higher temperature transfer fluids required. In large scale installations there are several projects successful both technical and economical in
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Concerning industrial applications, several studies in the recent years highlighted that there is a high potential for refrigeration (temperatures below 0 °C) in different areas of the globe (e.g., the Mediterranean, Central America). However, this can be achieved by ammonia/ water absorption
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of the air and the liquid desiccant but are not normally employed in commercially available machines. Preheating of the air is shown to greatly enhance desiccant regeneration. The packed column yields good results as a dehumidifier/regenerator, provided pressure drop can be reduced with the use of
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Ambient earth temperature is much lower than peak summer air temperature, and much higher than the lowest extreme winter air temperature. Water is 25 times more thermally conductive than air, so it is much more efficient than an outside air heat pump, (which becomes less effective when the outside
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There are also new non-compressor-based electrical air conditioning systems with a SEER above 20 coming on the market. New versions of phase-change indirect evaporative coolers use nothing but a fan and a supply of water to cool buildings without adding extra interior humidity (such as at McCarran
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technology, with high-efficiency variable-speed DC motors and compressors to require very little run power, and both also offer heat in addition to air conditioning.  A third type of unit is available for larger, usually commercial, buildings and offers both grid and battery backup as well as
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Off-grid solar arrays instead use batteries to supply whole-house or whole-building solar.  Such systems employ a voltage controller to manage battery charging, and then the battery power is inverted to provide alternating current for the home or building.  Since they’re not grid tied or
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power into a dead grid when the grid’s down. And, now, air conditioners, like many home appliances (e.g., TVs, computers) are beginning to run on DC power.  So, whole-building solar for such units needs to be inverted to alternating current, and then rectified back to direct current, further
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can provide either indirect solar air conditioning power or, now, directly power to air conditioners.  Indirect photovoltaic power for air conditioners consists of whole-house or whole-building solar which, traditionally for most users, has also meant net metering to the grid.  Solar in
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for air conditioning (and other uses). With American state government subsidies of $ 2.50 to US$ 5.00 per photovoltaic watt, the amortized cost of PV-generated electricity can be below $ 0.15 per kWh. This is currently cost effective in some areas where power company electricity is now $ 0.15 or
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More recently, true solar-powered photovoltaic air conditioners heat pumps have been developed.  Such units run using DC power, and, as such, they can and do make use of the inherent DC power generated by photovoltaic solar panels.  One mini split version of this units employs a 48v DC
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can be used to efficiently cool in the summer, and also heat domestic hot water and buildings in the winter. Single, double or triple iterative absorption cooling cycles are used in different solar-thermal-cooling system designs. The more cycles, the more efficient they are. Absorption chillers
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uses ambient earth temperature to improve SEER for heat and cooling. A deep well recirculates water to extract ambient earth temperature, typically at 8 litres (2 US gal) of water per metric ton per minute. These "open loop" systems were the most common in early systems, however water
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is used in recreational vehicle absorption chiller refrigerators. Hot water solar thermal energy collectors can also be used as the modern "free energy" heat source. A National Aeronautics and Space Administration (NASA) sponsored report in 1976 surveyed solar energy system applications of air
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The same type of geothermal well can be used without a heat pump but with greatly diminished results. Ambient earth temperature water is pumped through a shrouded radiator (like an automobile radiator). Air is blown across the radiator, which cools without a compressor-based air conditioner.
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can take advantage of the ambient temperature of the earth to reduce or eliminate conventional air conditioning requirements. In many climates where the majority of humans live, they can greatly reduce the buildup of undesirable summer heat, and also help remove heat from the interior of the
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Photovoltaic solar electric panels produce electricity for the water pump and fan, eliminating conventional air-conditioning utility bills. This concept is cost-effective, as long as the location has ambient earth temperature below the human thermal comfort zone (not the tropics).
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The main reasons for employing concentrating collectors in solar cooling systems are: high efficient air-conditioning through coupling with double/triple effect chillers; and solar refrigeration serving industrial end-users, possibly in combination with process heat and steam.
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San, J. Y., Lavan, Z., Worek, W. M., Jean-Baptiste Monnier, Franta, G. E., Haggard, K., Glenn, B. H., Kolar, W. A., Howell, J. R. (1982). "Exergy analysis of solar powered desiccant cooling system". Proc. of the American Section of the Intern. Solar Energy Society:
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net metered, they can operate after a storm or other event brings down grid power.  However, the power, once again, must be converted from DC from the solar panels and batteries to AC by inversion to run power remotely to the appliances.
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and water is also in common use. One end of the system of expansion/condensation pipes is heated, and the other end gets cold enough to make ice. Originally, natural gas was used as a heat source in the late 19th century. Today,
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For 150 years, absorption chillers have been used to make ice (before the electric light bulbs were invented). This ice can be stored and used as an "ice battery" for cooling when the sun is not shining, as it was in the 1995
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in Lisbon with 1,579 square metres (17,000 sq ft) solar collectors and 545 kW cooling power or on the Olympic Sailing Village in Qingdao/China. In 2011 the most powerful plant at Singapore's new constructed
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can be mixed with water to create a recirculating waterfall that dehumidifies a room using solar thermal energy to regenerate the liquid, and a PV-powered low-rate water pump to circulate liquid.
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Photovoltaic can be combined with geothermal technology, too.  An efficient geothermal air conditioning system would require a smaller, less-expensive photovoltaic system. A high-quality
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is much easier to achieve in new construction than by adapting existing buildings. There are many design specifics involved in passive solar cooling. It is a primary element of designing a
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of 2007 created 2008 through 2012 funding for a new solar air conditioning research and development program, which should develop and demonstrate multiple new technology innovations and
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For example, a sign of poor thermal design is an attic that gets hotter in summer than the peak outside air temperature. This can be significantly reduced or eliminated with a
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Earth cooling tubes are not cost effective in hot humid tropical environments where the ambient Earth temperature approaches human temperature comfort zone. A
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in Los Angeles has an example solar air conditioning installation, which failed fairly soon after commissioning and is no longer being maintained. The
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the generator drives a cooling cycle that produces chilled water. The chilled water produced is used for large commercial and industrial cooling.
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In this type of cooling solar thermal energy is not used directly to create a cold environment or drive any direct cooling processes. Instead,
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Otanicar, Todd; Taylor, Robert A.; Phelan, Patrick E. (2012). "Prospects for solar cooling – an economic and environmental assessment".
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A less-expensive partial-power photovoltaic system can reduce (but not eliminate) the monthly amount of electricity purchased from the
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Co. (The Gas Company) is also testing the practicality of solar thermal cooling systems at their Energy Resource Center (ERC) in
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into a building in the summer, and improving the removal of unwanted heat. It involves a good understanding of the mechanisms of
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in Japan. Mathematical models are available in the public domain for ice-based thermal energy storage performance calculations.
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in the range of 20 (±). A 29 kW (100,000 BTU/h) SEER 20 air conditioner would require less than 5 kW while operating.
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and Cogenra were installed on the rooftop at the ERC and are producing cooling for the building's air conditioning system.
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Efficient absorption chillers nominally require water of at least 190 °F (88 °C). Common, inexpensive flat-plate
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technologies that can significantly reduce, or eliminate, net annual energy bills. The supreme achievement is the totally
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building. They increase construction cost, but reduce or eliminate the cost of conventional air conditioning equipment.
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with a compact and efficient design to produce ice with no fuel or electric input, as well as with no moving parts.
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system can power a low-energy air circulation fan, and a motor to slowly rotate a large disk filled with desiccant.
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operate with less noise and vibration than compressor-based chillers, but their capital costs are relatively high.
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and an air gap below the roof will block about 97% of downward radiation from roof cladding heated by the sun.
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systems provide a controlled way of ventilating a home while minimizing energy loss. Air is passed through an "
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uses a solar thermal air conditioning system to feed cool air into truck trailers parked at loading doors.
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conditioning. Techniques discussed included both solar powered (absorption cycle and heat engine /
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The ISAAC Solar Icemaker is an intermittent solar ammonia-water absorption cycle. The ISAAC uses a
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parabolic trough collectors, Mirroxx Fresnel array and TVP Solar high-vacuum solar thermal panels.
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in many locations, which can reduce or eliminate annual net electricity purchase requirement. (See
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Closed-loop air conditioning commonly uses the following materials for water-based absorption:
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of cooling requirement, leading-edge solar air conditioning will be an increasingly important
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to dehumidify, in a cost-effective, low-energy-consumption, continuously repeating cycle. A
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value of 14 or less, and the supplied solar has some loss from the power conversion of DC (
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that does not have to be connected to utility companies. In hot climates with significant
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more. Excess PV power generated when air conditioning is not required can be sold to the
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In the late 19th century, the most common fluid for absorption cooling was a solution of
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can be designed into new construction (or retrofitted to existing buildings). Since the
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A packed bed dehumidifier/regenerator for solar air conditioning with liquid desiccants
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An alternative to water-based systems is to use methanol with activated carbon.
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power bus and a 48v battery array, usually 4 x 12v batteries in series (e.g.,
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regeneration cycle is powered. In theory packed towers can be used to form a
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ed home or building is a node on the grid, and utilities need to prevent
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Cooling with Solar Heat: Growing Interest in Solar Air Conditioning
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Liquid Desiccant Waterfall for attractive building dehumidification
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operation worldwide including, for example, at the headquarters of
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optional net metering. Like the two smaller units, these units are
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Ayadi, Osama; Aprile, Marcello; Motta, Mario (1 January 2012).
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is also testing a double-effect absorption cooling plant using
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EERE Consumer's Guide: Energy Recovery Ventilation Systems
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agent is a mixture of water and ethyl alcohol (ethanol).
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Solar cooling systems utilizing concentrating collectors
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(November 1976). 645: 3644:Heating, ventilation, and air conditioning 3016:High efficiency glandless circulating pump 2265:Heating, ventilation, and air conditioning 2256: 2242: 1466:Copper indium gallium selenide solar cells 1224: 1210: 1112: 735:Technion – Israel Institute of Technology 3450:Mold growth, assessment, and remediation 1928:Grid-connected photovoltaic power system 857: 528: 455:The Audubon Environmental Center at the 320: 1895:Victorian Model Solar Vehicle Challenge 1890:Hunt-Winston School Solar Car Challenge 3631: 613: 3323:Programmable communicating thermostat 2237: 1205: 848:www.solid.at. Accessed on 1 July 2008 448:will be commissioned (1500 kW). 359:, the latter primarily from the sun. 251:Air can be passed over common, solid 199: 68:and water. Today, the combination of 3445:Mechanical, electrical, and plumbing 2216: 1172:10.1016/j.applthermaleng.2011.12.036 733:(by Factor, H. M. and Grossman, G., 388:Solar closed-loop absorption cooling 47:Energy Independence and Security Act 16:Cooling system that uses solar power 1933:List of photovoltaic power stations 671: 13: 3306:Minimum efficiency reporting value 1949:Rooftop photovoltaic power station 1352:Polycrystalline silicon (multi-Si) 1301:Third-generation photovoltaic cell 1030:. New Otani Co., Ltd. 28 June 2000 14: 3670: 3348:Standard temperature and pressure 3061:Packaged terminal air conditioner 2597:Passive daytime radiative cooling 2326:Heat pump and refrigeration cycle 1954:Building-integrated photovoltaics 1451:Carbon nanotubes in photovoltaics 1357:Monocrystalline silicon (mono-Si) 1231: 1182: 1135: 193:Weatherization Assistance Program 2417:Absorption-compression heat pump 2215: 2204: 2203: 1326:Polarizing organic photovoltaics 748:"Solar Powered Air Conditioning" 570: 3312:Normal temperature and pressure 2692:Vapor-compression refrigeration 1461:Cadmium telluride photovoltaics 1342:List of semiconductor materials 1147: 1129: 1088: 1074: 1042: 1016: 983: 957: 932: 910: 892: 879: 851: 832: 797: 89:Photovoltaic (PV) solar cooling 1573:Incremental conductance method 1367:Copper indium gallium selenide 1316:Thermodynamic efficiency limit 770: 740: 724: 713: 702: 692: 665: 639: 239:temperature drops in winter). 1: 3460:Testing, adjusting, balancing 3404:Building information modeling 3399:Building services engineering 2976:Ground-coupled heat exchanger 2504:Demand controlled ventilation 2452:Building insulation materials 1880:South African Solar Challenge 826:10.1016/j.solener.2012.01.020 652:NASA Technical Reports Server 606: 591:Passive solar building design 3021:High-pressure cut-off switch 2572:Ice storage air conditioning 2493:Dedicated outdoor air system 1527:Photovoltaic mounting system 1114:10.1016/j.egypro.2012.11.099 457:Ernest E. Debs Regional Park 339:aims at slowing the rate of 7: 3364:Thermostatic radiator valve 3166:Thermostatic radiator valve 2677:Underfloor air distribution 2612:Radiant heating and cooling 2530:Energy recovery ventilation 2442:Automobile air conditioning 2306:Domestic energy consumption 1532:Maximum power point tracker 1160:Applied Thermal Engineering 563: 279:Energy recovery ventilation 191:was created in 1977, their 124:increasing inefficiencies. 26:(cooling) system that uses 10: 3675: 3513:Institute of Refrigeration 3394:Architectural technologist 2866:Electrostatic precipitator 1783:Solar panels on spacecraft 1630:Solar-powered refrigerator 1588:Concentrated photovoltaics 1568:Perturb and observe method 1347:Crystalline silicon (c-Si) 945:. Masdar. 16 February 2012 783:. MIT Press. p. 682. 596:Solar powered refrigerator 391: 324: 92: 59: 3575: 3566:Volatile organic compound 3541: 3468: 3425:Environmental engineering 3389:Architectural engineering 3372: 3220: 3191:Ultra-low particulate air 2776:Automatic balancing valve 2723: 2704:Variable refrigerant flow 2556:Heat recovery ventilation 2499:Deep water source cooling 2409: 2271: 2199: 2119: 2103: 2094: 1972: 1941: 1907: 1827: 1811: 1765: 1724: 1622: 1615: 1560: 1489: 1481:Heterojunction solar cell 1456:Dye-sensitized solar cell 1416: 1405: 1380: 1334: 1296:Multi-junction solar cell 1286:Nominal power (Watt-peak) 1246: 1239: 1138:"Solar energy cools milk" 777:George O. G. Löf (1993). 189:U.S. Department of Energy 142:variable refrigerant flow 103:this case is inverted to 33:This can be done through 3613:Template:Home automation 3435:Kitchen exhaust cleaning 3131:Solar-assisted heat pump 2731:Air conditioner inverter 2510:Displacement ventilation 2401:Vapour pressure of water 2386:Thermal destratification 1964:Strasskirchen Solar Park 1855:American Solar Challenge 1701:Solar-powered flashlight 1688:Solar-powered calculator 1683:Solar cell phone charger 1372:Amorphous silicon (a-Si) 920:. Zawya. 20 October 2011 601: 467:. Solar Collectors from 441:Caixa Geral de Depósitos 436:solar thermal collectors 353:convective heat transfer 289:, with enhanced natural 156:installation can have a 95:Photovoltaic electricity 3608:World Refrigeration Day 3455:Refrigerant reclamation 3384:Architectural acoustics 3328:Programmable thermostat 3260:Clean air delivery rate 3156:Thermal expansion valve 3071:Pressurisation ductwork 2981:Ground source heat pump 2422:Absorption refrigerator 1870:Frisian Solar Challenge 1840:List of solar car teams 1598:Space-based solar power 1578:Constant voltage method 1507:Solar charge controller 1393:Timeline of solar cells 1388:Growth of photovoltaics 578:Renewable energy portal 558:critical success factor 461:Southern California Gas 3598:Glossary of HVAC terms 3560:Sick building syndrome 3440:Mechanical engineering 3151:Smoke exhaust ductwork 2582:Mixed-mode ventilation 1860:Formula Sun Grand Prix 1692:Solar-powered fountain 1635:Solar air conditioning 1436:Quantum dot solar cell 1426:Nanocrystal solar cell 1321:Sun-free photovoltaics 1082:"ISAAC Solar Icemaker" 1055:. 2004. Archived from 20:Solar air conditioning 3618:Template:Solar energy 3296:Intelligent buildings 3255:Carbon dioxide sensor 2642:Room air distribution 2462:Central solar heating 1850:World Solar Challenge 1673:Photovoltaic keyboard 1603:PV system performance 1476:Perovskite solar cell 1274:Solar cell efficiency 535:zero-energy buildings 529:Zero-energy buildings 500:Hotel New Otani Tokyo 378:Passive solar cooling 337:solar building design 321:Passive solar cooling 3654:Solar thermal energy 3420:Duct leakage testing 3410:Deep energy retrofit 3354:Thermographic camera 3291:Infrared thermometer 2766:Air source heat pump 2715:Water heat recycling 2281:Air changes per hour 2120:Individual producers 1828:Solar vehicle racing 1517:Solar micro-inverter 1446:Plasmonic solar cell 1291:Thin-film solar cell 1259:Photoelectric effect 1194:7 April 2010 at the 780:Active solar systems 490:sorting facility in 477:United Arab Emirates 446:United World College 428:Solar thermal energy 394:Absorption heat pump 382:zero energy building 314:counter-current flow 269:solar thermal energy 228:geothermal heat pump 178:Zero-energy building 154:geothermal heat pump 39:solar thermal energy 3286:HVAC control system 3276:Home energy monitor 3250:Building automation 3036:Inverter compressor 2698:Variable air volume 2607:Passive ventilation 2577:Kitchen ventilation 2477:Constant air volume 2447:Autonomous building 1716:Solar traffic light 1696:Solar-powered radio 1663:Solar-powered watch 1471:Printed solar panel 1306:Solar cell research 1062:on 11 February 2012 1004:on 28 November 2007 844:6 July 2011 at the 818:2012SoEn...86.1287O 752:machine-history.com 680:. Purdue University 550:autonomous building 265:evaporative cooling 209:earth cooling tubes 105:alternating current 3649:Solar architecture 3639:Chemical processes 3549:Indoor air quality 3493:ASTM International 3430:Hydronic balancing 3207:Wood-burning stove 3086:Radiator reflector 2871:Evaporative cooler 2682:Underfloor heating 2667:Thermal insulation 1752:The Quiet Achiever 1711:Solar street light 1658:Solar-powered pump 1431:Organic solar cell 1311:Thermophotovoltaic 1279:Quantum efficiency 1028:The New Otani News 758:on 14 October 2013 672:Maatouk, Chantal. 627:on 15 January 2016 492:Davenport, Florida 465:Downey, California 384:in a hot climate. 317:suitable packing. 200:Geothermal cooling 54:economies of scale 3626: 3625: 3542:Health and safety 3121:Scroll compressor 3076:Process duct work 2831:Convection heater 2826:Condensing boiler 2756:Air-mixing plenum 2652:Solar combisystem 2488:Cross ventilation 2291:Building envelope 2231: 2230: 2195: 2194: 2090: 2089: 1903: 1902: 1778:Mauro Solar Riser 1773:Electric aircraft 1706:Solar-powered fan 1611: 1610: 1502:Balance of system 1490:System components 1441:Hybrid solar cell 1401: 1400: 1362:Cadmium telluride 971:. 18 January 2021 904:Los Angeles Times 790:978-0-262-12167-5 357:thermal radiation 304:A desiccant like 185:energy efficiency 3666: 3659:Renewable energy 3588:Building science 3343:Smart thermostat 3338:Room temperature 2921:Fireplace insert 2627:Radon mitigation 2525:Electric heating 2520:District heating 2515:District cooling 2432:Air conditioning 2258: 2251: 2244: 2235: 2234: 2219: 2218: 2207: 2206: 2101: 2100: 1942:Building-mounted 1920:PV power station 1916: 1915: 1845:Solar challenges 1835:Solar car racing 1803:Solar Challenger 1793:Gossamer Penguin 1620: 1619: 1414: 1413: 1264:Solar irradiance 1244: 1243: 1226: 1219: 1212: 1203: 1202: 1176: 1175: 1151: 1145: 1144: 1142: 1133: 1127: 1126: 1116: 1092: 1086: 1085: 1078: 1072: 1071: 1069: 1067: 1061: 1054: 1046: 1040: 1039: 1037: 1035: 1020: 1014: 1013: 1011: 1009: 1003: 996: 987: 981: 980: 978: 976: 961: 955: 954: 952: 950: 944: 936: 930: 929: 927: 925: 914: 908: 907: 896: 890: 885:Gregory Wright, 883: 877: 876: 874: 872: 855: 849: 839:"Solar Cooling". 836: 830: 829: 812:(5): 1287–1299. 801: 795: 794: 774: 768: 767: 765: 763: 754:. 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Archived from 617: 580: 575: 574: 507:parabolic trough 410:Lithium Chloride 306:calcium chloride 205:Earth sheltering 196:first occupied. 41:conversion, and 24:air conditioning 3674: 3673: 3669: 3668: 3667: 3665: 3664: 3663: 3629: 3628: 3627: 3622: 3583:ASHRAE Handbook 3571: 3555:Passive smoking 3537: 3470: 3464: 3376: 3374: 3368: 3222: 3216: 3197:Whole-house fan 3111:Run-around coil 3106:Reversing valve 3051:Mechanical room 3041:Kerosene heater 3031:Infrared heater 2961:Gasoline heater 2901:Fan filter unit 2816:Condensate pump 2801:Centrifugal fan 2719: 2622:Radiant heating 2617:Radiant cooling 2592:Passive cooling 2587:Microgeneration 2457:Central heating 2405: 2381:Thermal comfort 2273: 2267: 2262: 2232: 2227: 2191: 2115: 2086: 1968: 1937: 1910: 1899: 1823: 1812:Water transport 1807: 1761: 1747:Solar golf cart 1720: 1678:Solar road stud 1607: 1561:System concepts 1556: 1485: 1408: 1397: 1376: 1330: 1235: 1230: 1196:Wayback Machine 1185: 1180: 1179: 1152: 1148: 1140: 1134: 1130: 1101:Energy Procedia 1093: 1089: 1080: 1079: 1075: 1065: 1063: 1059: 1052: 1048: 1047: 1043: 1033: 1031: 1022: 1021: 1017: 1007: 1005: 1001: 994: 988: 984: 974: 972: 963: 962: 958: 948: 946: 942: 938: 937: 933: 923: 921: 916: 915: 911: 898: 897: 893: 884: 880: 870: 868: 856: 852: 846:Wayback Machine 837: 833: 802: 798: 791: 775: 771: 761: 759: 746: 745: 741: 729: 725: 718: 714: 707: 703: 697: 693: 683: 681: 670: 666: 656: 654: 644: 640: 630: 628: 619: 618: 614: 609: 604: 576: 569: 566: 531: 518: 510:solar collector 407:Lithium Bromide 396: 390: 372:radiant barrier 349:heat conduction 333: 327:Passive cooling 325:Main articles: 323: 249: 202: 97: 91: 62: 51:mass production 17: 12: 11: 5: 3672: 3662: 3661: 3656: 3651: 3646: 3641: 3624: 3623: 3621: 3620: 3615: 3610: 3605: 3600: 3595: 3590: 3585: 3579: 3577: 3573: 3572: 3570: 3569: 3563: 3557: 3552: 3545: 3543: 3539: 3538: 3536: 3535: 3530: 3525: 3520: 3515: 3510: 3505: 3500: 3495: 3490: 3485: 3480: 3474: 3472: 3466: 3465: 3463: 3462: 3457: 3452: 3447: 3442: 3437: 3432: 3427: 3422: 3417: 3412: 3407: 3401: 3396: 3391: 3386: 3380: 3378: 3370: 3369: 3367: 3366: 3361: 3356: 3351: 3345: 3340: 3335: 3333:Psychrometrics 3330: 3325: 3320: 3315: 3309: 3303: 3298: 3293: 3288: 3283: 3278: 3273: 3268: 3263: 3257: 3252: 3247: 3242: 3237: 3232: 3230:Air flow meter 3226: 3224: 3218: 3217: 3215: 3214: 3209: 3204: 3199: 3194: 3188: 3183: 3178: 3173: 3168: 3163: 3158: 3153: 3148: 3143: 3138: 3133: 3128: 3123: 3118: 3113: 3108: 3103: 3098: 3093: 3088: 3083: 3078: 3073: 3068: 3063: 3058: 3053: 3048: 3043: 3038: 3033: 3028: 3023: 3018: 3013: 3008: 3006:Heating system 3003: 2998: 2993: 2988: 2986:Heat exchanger 2983: 2978: 2973: 2968: 2963: 2958: 2953: 2951:Gas compressor 2948: 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2888: 2886:Expansion tank 2883: 2878: 2873: 2868: 2863: 2858: 2853: 2848: 2843: 2838: 2833: 2828: 2823: 2818: 2813: 2808: 2806:Ceramic heater 2803: 2798: 2793: 2788: 2783: 2778: 2773: 2768: 2763: 2758: 2753: 2748: 2743: 2738: 2733: 2727: 2725: 2721: 2720: 2718: 2717: 2712: 2707: 2701: 2695: 2689: 2684: 2679: 2674: 2669: 2664: 2659: 2654: 2649: 2647:Solar air heat 2644: 2639: 2637:Renewable heat 2634: 2629: 2624: 2619: 2614: 2609: 2604: 2599: 2594: 2589: 2584: 2579: 2574: 2569: 2564: 2559: 2553: 2548: 2546:Forced-air gas 2543: 2538: 2533: 2527: 2522: 2517: 2512: 2507: 2501: 2496: 2490: 2485: 2480: 2474: 2469: 2464: 2459: 2454: 2449: 2444: 2439: 2434: 2429: 2424: 2419: 2413: 2411: 2407: 2406: 2404: 2403: 2398: 2396:Thermodynamics 2393: 2388: 2383: 2378: 2373: 2368: 2366:Psychrometrics 2363: 2358: 2353: 2348: 2343: 2338: 2333: 2328: 2323: 2321:Gas compressor 2318: 2316:Fluid dynamics 2313: 2308: 2303: 2298: 2293: 2288: 2283: 2277: 2275: 2269: 2268: 2261: 2260: 2253: 2246: 2238: 2229: 2228: 2226: 2225: 2213: 2200: 2197: 2196: 2193: 2192: 2190: 2189: 2184: 2179: 2174: 2169: 2164: 2159: 2157:Solar Frontier 2154: 2149: 2144: 2139: 2134: 2132:Hanwha Q CELLS 2129: 2123: 2121: 2117: 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1542:Solar shingles 1539: 1534: 1529: 1524: 1519: 1514: 1512:Solar inverter 1509: 1504: 1499: 1493: 1491: 1487: 1486: 1484: 1483: 1478: 1473: 1468: 1463: 1458: 1453: 1448: 1443: 1438: 1433: 1428: 1422: 1420: 1411: 1403: 1402: 1399: 1398: 1396: 1395: 1390: 1384: 1382: 1378: 1377: 1375: 1374: 1369: 1364: 1359: 1354: 1349: 1344: 1338: 1336: 1332: 1331: 1329: 1328: 1323: 1318: 1313: 1308: 1303: 1298: 1293: 1288: 1283: 1282: 1281: 1271: 1269:Solar constant 1266: 1261: 1256: 1250: 1248: 1241: 1237: 1236: 1229: 1228: 1221: 1214: 1206: 1200: 1199: 1184: 1183:External links 1181: 1178: 1177: 1146: 1136:Ayadi, Osama. 1128: 1087: 1073: 1041: 1015: 982: 956: 931: 909: 906:. 25 May 2012. 891: 878: 858:Les Hamasaki. 850: 831: 796: 789: 769: 739: 723: 712: 701: 691: 664: 638: 611: 610: 608: 605: 603: 600: 599: 598: 593: 588: 582: 581: 565: 562: 543:green building 530: 527: 517: 514: 418: 417: 414: 411: 408: 405: 392:Main article: 389: 386: 322: 319: 283:enthalpy wheel 248: 245: 201: 198: 134:Hotspot Energy 113:direct current 93:Main article: 90: 87: 61: 58: 15: 9: 6: 4: 3: 2: 3671: 3660: 3657: 3655: 3652: 3650: 3647: 3645: 3642: 3640: 3637: 3636: 3634: 3619: 3616: 3614: 3611: 3609: 3606: 3604: 3601: 3599: 3596: 3594: 3591: 3589: 3586: 3584: 3581: 3580: 3578: 3574: 3567: 3564: 3561: 3558: 3556: 3553: 3550: 3547: 3546: 3544: 3540: 3534: 3531: 3529: 3526: 3524: 3521: 3519: 3516: 3514: 3511: 3509: 3506: 3504: 3501: 3499: 3496: 3494: 3491: 3489: 3486: 3484: 3481: 3479: 3476: 3475: 3473: 3471:organizations 3467: 3461: 3458: 3456: 3453: 3451: 3448: 3446: 3443: 3441: 3438: 3436: 3433: 3431: 3428: 3426: 3423: 3421: 3418: 3416: 3415:Duct cleaning 3413: 3411: 3408: 3405: 3402: 3400: 3397: 3395: 3392: 3390: 3387: 3385: 3382: 3381: 3379: 3371: 3365: 3362: 3360: 3357: 3355: 3352: 3349: 3346: 3344: 3341: 3339: 3336: 3334: 3331: 3329: 3326: 3324: 3321: 3319: 3316: 3313: 3310: 3307: 3304: 3302: 3299: 3297: 3294: 3292: 3289: 3287: 3284: 3282: 3279: 3277: 3274: 3272: 3269: 3267: 3266:Control valve 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2872: 2869: 2867: 2864: 2862: 2859: 2857: 2854: 2852: 2849: 2847: 2844: 2842: 2841:Cooling tower 2839: 2837: 2834: 2832: 2829: 2827: 2824: 2822: 2819: 2817: 2814: 2812: 2809: 2807: 2804: 2802: 2799: 2797: 2794: 2792: 2789: 2787: 2784: 2782: 2779: 2777: 2774: 2772: 2769: 2767: 2764: 2762: 2759: 2757: 2754: 2752: 2749: 2747: 2744: 2742: 2739: 2737: 2734: 2732: 2729: 2728: 2726: 2722: 2716: 2713: 2711: 2708: 2705: 2702: 2699: 2696: 2693: 2690: 2688: 2687:Vapor barrier 2685: 2683: 2680: 2678: 2675: 2673: 2670: 2668: 2665: 2663: 2662:Solar heating 2660: 2658: 2657:Solar cooling 2655: 2653: 2650: 2648: 2645: 2643: 2640: 2638: 2635: 2633: 2632:Refrigeration 2630: 2628: 2625: 2623: 2620: 2618: 2615: 2613: 2610: 2608: 2605: 2603: 2602:Passive house 2600: 2598: 2595: 2593: 2590: 2588: 2585: 2583: 2580: 2578: 2575: 2573: 2570: 2568: 2565: 2563: 2560: 2557: 2554: 2552: 2549: 2547: 2544: 2542: 2539: 2537: 2534: 2531: 2528: 2526: 2523: 2521: 2518: 2516: 2513: 2511: 2508: 2505: 2502: 2500: 2497: 2494: 2491: 2489: 2486: 2484: 2481: 2478: 2475: 2473: 2472:Chilled water 2470: 2468: 2465: 2463: 2460: 2458: 2455: 2453: 2450: 2448: 2445: 2443: 2440: 2438: 2435: 2433: 2430: 2428: 2425: 2423: 2420: 2418: 2415: 2414: 2412: 2408: 2402: 2399: 2397: 2394: 2392: 2389: 2387: 2384: 2382: 2379: 2377: 2374: 2372: 2371:Sensible heat 2369: 2367: 2364: 2362: 2359: 2357: 2354: 2352: 2351:Noise control 2349: 2347: 2344: 2342: 2339: 2337: 2334: 2332: 2331:Heat transfer 2329: 2327: 2324: 2322: 2319: 2317: 2314: 2312: 2309: 2307: 2304: 2302: 2299: 2297: 2294: 2292: 2289: 2287: 2284: 2282: 2279: 2278: 2276: 2270: 2266: 2259: 2254: 2252: 2247: 2245: 2240: 2239: 2236: 2224: 2223: 2214: 2212: 2211: 2202: 2201: 2198: 2188: 2185: 2183: 2180: 2178: 2175: 2173: 2170: 2168: 2165: 2163: 2160: 2158: 2155: 2153: 2150: 2148: 2145: 2143: 2140: 2138: 2135: 2133: 2130: 2128: 2125: 2124: 2122: 2118: 2112: 2109: 2108: 2106: 2102: 2099: 2097: 2093: 2083: 2080: 2078: 2075: 2073: 2070: 2068: 2065: 2063: 2060: 2058: 2055: 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1636: 1633: 1631: 1628: 1627: 1625: 1621: 1618: 1614: 1604: 1601: 1599: 1596: 1594: 1591: 1589: 1586: 1584: 1581: 1579: 1576: 1574: 1571: 1569: 1566: 1565: 1563: 1559: 1553: 1550: 1548: 1545: 1543: 1540: 1538: 1537:Solar tracker 1535: 1533: 1530: 1528: 1525: 1523: 1520: 1518: 1515: 1513: 1510: 1508: 1505: 1503: 1500: 1498: 1495: 1494: 1492: 1488: 1482: 1479: 1477: 1474: 1472: 1469: 1467: 1464: 1462: 1459: 1457: 1454: 1452: 1449: 1447: 1444: 1442: 1439: 1437: 1434: 1432: 1429: 1427: 1424: 1423: 1421: 1419: 1415: 1412: 1410: 1404: 1394: 1391: 1389: 1386: 1385: 1383: 1379: 1373: 1370: 1368: 1365: 1363: 1360: 1358: 1355: 1353: 1350: 1348: 1345: 1343: 1340: 1339: 1337: 1333: 1327: 1324: 1322: 1319: 1317: 1314: 1312: 1309: 1307: 1304: 1302: 1299: 1297: 1294: 1292: 1289: 1287: 1284: 1280: 1277: 1276: 1275: 1272: 1270: 1267: 1265: 1262: 1260: 1257: 1255: 1254:Photovoltaics 1252: 1251: 1249: 1245: 1242: 1238: 1234: 1233:Photovoltaics 1227: 1222: 1220: 1215: 1213: 1208: 1207: 1204: 1197: 1193: 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274: 270: 266: 262: 258: 254: 244: 240: 236: 232: 229: 224: 222: 218: 217:solar chimney 213: 210: 206: 197: 194: 190: 186: 181: 179: 175: 170: 165: 161: 159: 155: 150: 148: 143: 139: 135: 129: 125: 122: 118: 114: 110: 106: 101: 100:Photovoltaics 96: 86: 84: 83:Rankine cycle 79: 74: 71: 67: 57: 55: 52: 48: 44: 40: 36: 35:passive solar 31: 29: 25: 21: 3593:Fireproofing 3377:and services 3373:Professions, 3271:Gas detector 3171:Trickle vent 3146:Smoke damper 3141:Smoke canopy 3136:Space heater 3066:Plenum space 3001:Heating film 2881:Exhaust hood 2851:Dehumidifier 2791:Blast damper 2786:Barrier pipe 2761:Air purifier 2672:Thermosiphon 2551:Free cooling 2467:Chilled beam 2391:Thermal mass 2376:Stack effect 2361:Particulates 2341:Infiltration 2272:Fundamental 2221: 2208: 2187:Yingli Solar 2167:Sungen Solar 2142:Motech Solar 2096:PV companies 2057:South Africa 1875:Solar Splash 1616:Applications 1547:Solar mirror 1407:Photovoltaic 1163: 1159: 1149: 1131: 1104: 1100: 1090: 1076: 1064:. 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Retrieved 625:the original 615: 547:off-the-grid 532: 523: 519: 504: 496: 488:FedEx Ground 485: 454: 450: 433: 426: 422: 419: 397: 377: 376: 361: 334: 310: 303: 277: 273:photovoltaic 250: 241: 237: 233: 225: 221:photovoltaic 214: 203: 182: 166: 162: 151: 130: 126: 98: 63: 43:photovoltaic 32: 19: 18: 3603:Warm Spaces 3245:Blower door 3223:and control 3221:Measurement 3202:Windcatcher 3176:Trombe wall 3116:Sail switch 3096:Refrigerant 3091:Recuperator 2966:Grease duct 2926:Freeze stat 2911:Fire damper 2781:Back boiler 2751:Air ionizer 2746:Air handler 2710:Ventilation 2562:Hybrid heat 2427:Air barrier 2346:Latent heat 2182:Trina Solar 2127:First Solar 2067:Switzerland 2047:Netherlands 1885:Tour de Sol 1583:Fill factor 1522:Solar cable 1497:Solar panel 1418:Solar cells 1166:(2): 1447. 1107:: 875–883. 975:19 December 871:23 December 684:10 December 657:26 November 631:23 December 554:degree days 539:sustainable 473:Masdar City 121:backfeeding 28:solar power 3633:Categories 3359:Thermostat 3281:Humidistat 3212:Zone valve 3181:TurboSwing 3056:Oil heater 3026:Humidifier 2956:Gas heater 2906:Fan heater 2876:Evaporator 2861:Economizer 2836:Compressor 2741:Air filter 2724:Components 2541:Forced-air 2437:Antifreeze 2410:Technology 2356:Outgassing 2296:Convection 2104:By country 1974:By country 1909:Generation 1819:Solar boat 1668:Solar Tuki 1654:Solar tree 1640:Solar lamp 1623:Appliances 1247:Technology 1034:8 November 1008:8 November 949:16 January 924:25 October 607:References 413:Silica Gel 368:green roof 291:convection 257:silica gel 253:desiccants 174:power grid 169:power grid 3469:Industry 3318:OpenTherm 2996:Heat pump 2991:Heat pipe 2941:Fume hood 2916:Fireplace 2821:Condenser 2771:Attic fan 2567:Hydronics 1982:Australia 1959:Solar Ark 1865:Solar Cup 1757:Sunmobile 1737:Solar car 1335:Materials 1123:1876-6102 533:Goals of 364:cool roof 299:advection 183:Superior 117:net-meter 3576:See also 3301:LonWorks 3235:Aquastat 3101:Register 3081:Radiator 2736:Air door 2536:Firestop 2336:Humidity 2311:Enthalpy 2301:Dilution 2286:Bake-out 2274:concepts 2210:Category 2172:Sunpower 2162:Solyndra 2137:JA Solar 2072:Thailand 1992:Bulgaria 1240:Concepts 1192:Archived 842:Archived 564:See also 537:include 138:Airspool 37:design, 3375:trades, 2946:Furnace 2811:Chiller 2483:Coolant 2222:Commons 2177:Suntech 2052:Romania 2022:Germany 1987:Belgium 1911:systems 1381:History 1066:6 April 865:YouTube 814:Bibcode 762:8 April 699:567-572 475:in the 416:Zeolite 403:Ammonia 261:zeolite 78:propane 73:bromide 70:lithium 66:ammonia 60:History 3528:SMACNA 3488:ASHRAE 3308:(MERV) 3262:(CADR) 3240:BACnet 3193:(ULPA) 3046:Louver 2971:Grille 2846:Damper 2796:Boiler 2694:(VCRS) 2495:(DOAS) 2027:Greece 2017:France 1997:Canada 1409:system 1121:  787:  481:Sopogy 469:Sopogy 355:, and 255:(like 3568:(VOC) 3562:(SBS) 3551:(IAQ) 3508:CIBSE 3503:BSRIA 3406:(BIM) 3350:(STP) 3314:(NTP) 2936:Freon 2706:(VRF) 2700:(VAV) 2558:(HRV) 2532:(ERV) 2506:(DCV) 2479:(CAV) 2152:Sharp 2062:Spain 2042:Japan 2037:Italy 2032:India 2007:China 2002:Chile 1141:(PDF) 1060:(PDF) 1053:(PDF) 1002:(PDF) 995:(PDF) 969:FedEx 943:(PDF) 602:Notes 366:or a 3523:LEED 3483:AMCA 3478:AHRI 3011:HEPA 2931:Flue 2856:Duct 1119:ISSN 1068:2008 1036:2007 1010:2007 977:2021 951:2012 926:2011 873:2007 785:ISBN 764:2018 686:2021 659:2016 633:2007 329:and 158:SEER 109:SEER 3533:UMC 3518:IIR 3498:BRE 2891:Fan 2147:REC 1168:doi 1109:doi 822:doi 301:). 259:or 219:or 207:or 147:VRF 3635:: 2082:US 1164:50 1162:. 1158:. 1117:. 1105:30 1103:. 1099:. 1026:. 967:. 902:. 862:. 820:. 810:86 808:. 750:. 676:. 650:. 560:. 541:, 486:A 351:, 347:: 226:A 180:) 56:. 30:. 2257:e 2250:t 2243:v 1225:e 1218:t 1211:v 1198:. 1174:. 1170:: 1143:. 1125:. 1111:: 1084:. 1070:. 1038:. 1012:. 979:. 953:. 928:. 875:. 828:. 824:: 816:: 793:. 766:. 737:) 688:. 661:. 635:.

Index

air conditioning
solar power
passive solar
solar thermal energy
photovoltaic
Energy Independence and Security Act
mass production
economies of scale
ammonia
lithium
bromide
propane
Rankine cycle
Photovoltaic electricity
Photovoltaics
alternating current
SEER
direct current
net-meter
backfeeding
Hotspot Energy
Airspool
variable refrigerant flow
VRF
geothermal heat pump
SEER
power grid
power grid
Zero-energy building
energy efficiency

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