Whoosh: A Whole House Fan

The benefits of using a household fan are:
What a whole house fan does is draw the cool outdoor air inside through open windows and exhaust hot air through the attic to the outside. These fans do not work well if the outdoor temperature is much higher than the indoor temperature. When using whole house fans, you should only open windows in the room you’re in and set the fan on a lower setting. This will save you money.
Before you install a whole house fan you need to consider what size you will need. This is usually determined by the amount of square feet your home is. Only the very largest of homes will need more than one whole house fan. The next thing you need to do is figure out where to put the fan based on the size of it and how noisy it is. Keep in mind that fans with larger CFMs are usually larger and noisier.
It is very important to choose the best intake locations (windows and doors). All of your intake locations should have screens. The screens are basically acting as a filter for your home when you use a whole house fan. The screens should be cleaned regularly so that the intake location does not have any blockage. The fan should not be behind a door, but it could be in a common hallway.
Some tips when using household fans are:
-The dampers on any fireplaces in your home should be closed. If they are left open, the outside air will be drawn in along with any soot and odor that is lingering in your chimney.
-You should not run the fan when no one is home. It really is only beneficial to you if you are in your home while the fan is running.
-Windows should be opened on the shaded side of the house if possible. This will increase the cooling potential of the fan.
-You really should vent your attic space. This prevents any of the heat that is up there from coming into the living space. Under eave vents are the inexpensive way to go. This clears your attic of harmful moisture and heat buildup, which increases the lifespan of your roof.
-If you are doing the work yourself, have it permitted and inspected.
So, if you want an inexpensive alternative to central air conditioning, you can try a whole house fan. If you want information about a variety of fans, visit http://www.air-conditioner-home.com/fan/.
Labels: electric_fans, energy_conservation
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