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HVAC may also stand for High-voltage alternating current

HVAC (pronounced either "H-V-A-C" or, occasionally, "H-VAK") is an initialism/acronym that stands for "heating, ventilating and air-conditioning". This is sometimes referred to as climate control.

These three functions are closely interrelated, as they control the temperature and humidity of the air within a building in addition to providing for smoke control, maintaining pressure relationships between spaces, and providing fresh air for occupants. In modern building designs, the design, installation and control systems of these functions are integrated into a single "HVAC" system.

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Heating, Ventilating, and Air Conditioning :: Mechanical
Heating and Cooling :: Electronics and Electrical
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Obama Gives China a Free Pass to Emit CO2: U.N. Climate Control Conference in Copenhagen ended in failure http://bit.ly/8gsZl3 via @addthis
tasteofaz (Netty Wisbaum) Mon, 21 Dec 2009 16:15:31 -0000
Obama Gives China a Free Pass to Emit CO2: U.N. Climate Control Conference in Copenhagen ended in failure http://bit.ly/8gsZl3 via @addthis
Climate Gate equals population control.
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Climate Gate equals population control.
Natural Gas: The Holy Grail of Climate Control? http://tinyurl.com/yzfgf3e #climategate #globalwarming #energy
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Natural Gas: The Holy Grail of Climate Control? http://tinyurl.com/yzfgf3e #climategate #globalwarming #energy
CLIMATE CONTROL:The Man-Made God http://www.sfhf.com/Climate.pdf
multimediawr (Edward McCready) Mon, 21 Dec 2009 16:03:13 -0000
CLIMATE CONTROL:The Man-Made God http://www.sfhf.com/Climate.pdf
#COP15 crowd control shows why #UN should NOT be in charge of #climate policy http://bit.ly/4GYo6J #tcot
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#COP15 crowd control shows why #UN should NOT be in charge of #climate policy http://bit.ly/4GYo6J #tcot
Te ruil: BMW 318i Touring te ruil: - Climate control links en rechts gescheiden - Cruise control - ABS - Stuurbekra... http://bit.ly/6WYCzh
ruilen (Ruilen.nl) Mon, 21 Dec 2009 15:52:38 -0000
Te ruil: BMW 318i Touring te ruil: - Climate control links en rechts gescheiden - Cruise control - ABS - Stuurbekra... http://bit.ly/6WYCzh

 
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