Attic Fan Vs Whole House Fan

It is a type of fan that vents the warm air to the attic.

Attic fan vs whole house fan.

Attic fan whole house fan. An attic fan or a whole house fan may be just what you and your family needs to take your comfort to the next level. Attic fans are designed to run on hot sunny days to clear super heated air from your attic. The whole house fan pulls air in from open windows and exhausts it through the attic and roof.

One energy concern with whole house fans is heat loss in the winter. A whole house fan is an exhaust system that vents a home s air into the attic circulating air throughout the entire building. 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. Our professionals offer free in home evaluations to help you determine if a fan system is a good fit for you.

Without any air movement temperatures in the attic soar in summer and plunge in winter. Definitions of whole house fan vs. 12 ways to improve heating and cooling efficiency for your business. Without ventilation unfinished attic spaces can end up having stagnant air.

Whereas a typical fan can t do a whole house fan does both the work of attic and the whole house fan. It draws hot air out of the building to the attic and forcing it out through the gable by causing a positive differential pressure in the attic at the same time creating. I live in colorado and not sure what to do since the outside temps are in the 90 s and middle to high 80 s a lot of the summer. In a nutshell whole house fans are designed to run after sundown using cool night air to ventilate and cool your entire living space.

The fan draws warmer air in the house up into the attic where increased pressure pushes the hot air outside through roof vents. It is the common substitute for the old air conditioning ways. Whole house fan vs. Attic fan vary by region causing some confusion.

Reading all of the comments it sounds like i shouldn t get a whole house fan but a attic fan. Essentially it consists of a fan that is installed into a system of ducts or a vent and acts as the motor for the entire ventilation process. It provides good attic ventilation in addition to whole house cooling. An air conditioner can use up to 3000watts power if you compare with a whole house fan which uses 70 to 300 watts thus using 10 or so energy less.

A whole house fan will draw 200 to 700 watts about 10 percent of a central unit which will draw 2 000 to 5 000 watts. I want to get a whole house fan or attic fan and not sure which or get both.