30 Jul '14, 8am

Building Science: Is It OK to Close Air Conditioner Vents in Unused Rooms?

Building Science: Is It OK to Close Air Conditioner Vents in Unused Rooms?

Heating and cooling system in which specialized refrigerant fluid in a sealed system is alternately evaporated and condensed, changing its state from liquid to vapor by altering its pressure; this phase change allows heat to be transferred into or out of the house. See air-source heat pump and ground-source heat pump. , or furnace probably uses a lot of energy. Heating and cooling makes up about half of the total energy use in a typical house. For air conditioners and heat pumps using electricity generated in fossil-fuel fired power plants, the amount you use at home may be only a third of the total . A question I get asked frequently is whether or not it's OK to close vents in unused rooms to save money. The answer may surprise you.

Full article: http://www.greenbuildingadvisor.com/blogs/dept/building-s...

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