How Does A Whole House Fan Work

How whole house fans work.

How does a whole house fan work. In addition to whole house fans the ducts of your central heating and cooling system can be modified to provide whole house cooling. Whole house fans therefore don t work very well when the outdoor temperature is much higher than the indoor temperature or when the outdoor humidity is high. The fan will simultaneously push warm indoor house air outside via your home vents this way creating a cool and natural indoor air environment. A whole house fan works by absorbing outside cool air through open doors and windows during times that the temperatures are low such as in the evening or the nighttime.

When to use a whole house fan. New products have temperature and humidity sensors to add comfort. A whole house exhaust fan works by exhausting the stale and warm interior air to the outside through the attic vents such as the ridge gable and passive vents. The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.

A whole house fan blows hot air out of your home through the attic and cool outdoor air is sucked in through the windows making your home cool and comfortable. When used on a home with an attic a whole house fan works by pulling air from inside the living areas of a home up into the attic which is then vented outside of the house through the roof ventilation. A whole house fan provides natural effective cooling for a fraction of the cost of air conditioning making it one of the best home energy efficiency upgrades. Many people confuse a whole house fan with an attic fan but the two accomplish different goals.

The purpose of the whole house fan is to accelerate the natural cooling effect of bringing cooler air from outside into the house via open windows and then flushing the heat out of your living and attic space. A whole house fan serves the purpose of an exhaust system. Meanwhile the hot air gets pushed out the attic in minutes. Whole house fans work on the principle of removing the hot and humid air out of the house.

It provides good attic ventilation in addition to whole house cooling. A whole house fan works by quickly pulling in large amounts of fresh cool air from outside and circulating it through the house. If the temperature outside drops from 85 degrees to 75 degrees in two hours for example the air in the house will take about four hours to drop that much. Whole house fans work by moving hot air out through gables or vents and drawing cooler air in.

The whole house fan will then pull in fresh outdoor air into your home to quickly cool the entire house. By cooling surface temperatures the whole house fan provides an added comfort that conventional central air conditioners do not provide. The whole house fan pulls air in from open windows and exhausts it through the attic and roof.