Posted by admin | Posted in Green Energy | Posted on 13-07-2010
Tags: cheap energy efficient homes, energy, environment, green, home, house
Is House Vent Fan Cheaper than Air Conditioner?
On my house thermostat I have a fan or air conditioner option, If I let the fan run usually it has to stay running to cool home, If I use ac then it will turn off and on when set to auto. My question is, which is more energy efficient?
A whole house fan is definitely cheaper, but your air handler fan probably is as well – read the labels on each to find out the watts used. Then do the same for your condensing unit on your AC. Also, do what the person here said about watching the meter. And ignore the person who said you wouldn’t be cool. When using a whole house fan, open some low windows (on the first floor or basement) and then turn on the whole house fan – which should be in the attic. The house will cool, and your skin will cool due to evaporation/transpiration, and so on . . . If your air handler is in the basement, take the coverpanels off and let the cooler basement air be circulated through the system – we do this sometimes to get the cool basement air up to the warm and stuffy second floor.
To get the hard evidence, read the Solar House, by Daniel Chiras – Chelsea Green Publishers and go to the chapter on passive cooling.
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