Whole House Attic Fans Good Or Bad

There are many benefits of attic fans.

Whole house attic fans good or bad.

The attic coffin you mention which is used to air seal and insulate pull down stairs scuttle hole or a whole house fan is good in theory but in practice is cumbersome to install. Attic fans reduce heat dramatically. These include the following. Whole house fans are best suited for dry climates such as ours where the temperature drops down at night.

This backdraft can bring dangerous and toxic fumes into your home like carbon monoxide an odorless and deadly gas. The fans exhaust warm stale and possibly contaminated air through louvered. The fan is mounted in the floor of the attic sitting above a central hallway in the. It also requires no assembly.

Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home. The point of having an attic fan is to lessen the load on your ac system saving you money. Good attic ventilation is excellent for preventing moisture and condensation but it is usually not enough for cooling in the summertime. For this reason it makes sense to have both types of fans in a house.

It is perfectly designed for a house that is 1800 square feet. In fact that whole house fan will look like a bbq during the summertime with the use of a thermal camera as pictured above. A retrofit example that works. Even though a manufactured cover costs more it is far easier to install.

The temperature in attics without attic fans can climb to as high as 150 degrees f. Whole house fans serve double duty as they remove hot air from the attic as they work. With an attic fan many attics have a temperature that is the same as the outside air or just a few degrees warmer. The cooling attic fan is 24 inches in diameter.

Those fans are good while they are running but the other 95 of the time when they are off or during winter time they are essentially a hole into the attic which can defeat the purpose of all of your attic insulation. With a drive belt of 2 high speed it can offer an excellent cooling effect at a lower cost. Attic fans can create a negative pressure condition in your home causing vented appliances to backdraft.