How Do Attic Fan Work

Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your home.

How do attic fan work. An attic fan works by drawing in cool air to the attic space that pushes out the hot air through vents. Benefits of using an attic fan. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. The attic fans are fitted with thermostats that will switch on and off the fan depending on the homeowner s preference.

Attic fans come with different models. Energy efficient way to cool your home. As hot air rises to the top fans push the hot air out and cool down the home by drawing in the fresh air. Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.

Reduces attic humidity levels which in turn protects the attic from mold and mildew. Inexpensive and relatively easy to install. It provides good attic ventilation in addition to whole house cooling. The main work of an attic fan is to regulate the heat level of the attic by removing hot air out of the attic and pushing it outside providing needed ventilation.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic. Find out whether it is economical to run an attic fan. Attic fans are installed at the roof level of your home to regulate the heat level. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.

If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. Attic fans are not recommended if you have central air conditioning because when you turn the fan on in the summer it depressurizes the attic but also reaches down into your house and starts drawing off air conditioned air effectively driving up your cooling costs. Some can have manual switches while others use a thermostat to turn them on and off automatically. Do attic fans really work.

A whole house fan is typically installed in the. If the attic fan increases the comfort level of the house it may be worth it. In such doing the attic fan will reduce the temperature in the attic space that in turn cools down the whole house. Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.

An attic fan is installed on the slanted. A whole house fan is different than an attic fan. How does an attic fan work. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.

Firstly let s start off with clarifying the difference between a whole house fan and an attic fan. Reduces the chance of ice damming on the roof.