Can you vent a whole house fan into the attic?

Can you vent a whole house fan into the attic?

A whole house fan is designed to move air from your house into your attic. However, without enough venting area, pressure can build up, slowing down airflow and reducing efficiency, potentially pushing hot attic air back into your living space.

Where does a whole house fan vent to?

attic
Designed to pull out hot air from a house or building For homes or buildings with a whole house fan, the hot air is pulled into the attic. Due to positive pressure, air in the attic is pushed out through the vents or gables.

Can you put a whole house fan in a house without an attic?

In a home without an attic, a roof location is one alternative if a permanent installation is wanted. A whole-house fan should never be operated at the same time as an air conditioner. The fans usually work best if operated on cool nights with windows throughout the house opened slightly.

What are the negatives of a whole house fan?

What are the disadvantages of a whole house fan? While a whole house fan is known for saving money on the cooling bill, it can possibly lead to a higher heating bill in the winter, especially for older whole house fans. An older house fan is a perfect escape for the air you are paying to heat in the wintertime.

Does a whole house fan vent outside?

The whole house fan then draws cool air from outside in through open windows/doors, and pushes the hot air from inside the house outside through existing vents on the roof, effectively cooling your home.

How many windows should you open with a whole house fan?

A: Opening two or more windows half way or more is recommended. Basically you should make it easy for the home ventilation system to pull in air. As for which windows to open, for general cooling you want to open windows far away from the fan to provide airflow to the whole house.

Can you run a whole house fan with the windows closed?

Since the windows need to be open to properly and safely use this appliance, and windows need to be closed to effectively run an air conditioner, the two appliances should not be used simultaneously. Cover and seal your whole house fan when the weather turns cold.

How many windows should be open with a whole house fan?

Make sure at least one window is open. Opening two or more windows halfway or wider is recommended to allow the fan to do its job. For general cooling, open windows far away from the fan to provide airflow to the whole house.

Can whole house fans cause mold?

A properly set up whole house fan can cool an entire home in about an hour. It pulls air through any cracks and crevices that it can and can even pull up damp air from crawl spaces under your home up through living spaces and cause mold problems.

Is it OK to run a whole house fan with the windows closed?

Can you run a whole house fan all night?

Do not run your whole house fan during the day unless the temperature outside is cooler than the house is inside, though you may want to run the fan during the day to push air out of the attic. To do so, direct airflow from either the basement or the shady side of the home.