Do Attic Fans Have Different Sizes

How much ventilation does an attic need.

Do attic fans have different sizes.

A normal sized one might only move 72 000 cfh of air through an attic. Also you place it on the roof top or gable mounted. Below are 3 common. 20 x 50 1 000 sq.

Having a fan installed enables you to spend time in the attic without suffering a stifling or stuffy atmosphere. Typically these devices are used in summer when the temperatures are high exceeding 49 degrees celsius. For a single story house this is usually the same as the square footage of the house itself plus any attached garage area. The starting point for any attic ventilation project is always what is the size of the attic space to be vented the international residential building code irc defines attic size in terms of its square footage length x width floor of the attic.

Attic fans may be wired several different ways. They re installed up on a roof or through an exterior wall up in an attic. Usually the fan is hardwired directly into an electric circuit and is controlled by a thermostat most commonly ranging from 60 f 16 c to 120 f 49 c it may also be hardwired but controlled by a switch another popular method is to have the fan plugged into an electric socket mounted nearby. The effectiveness of an attic fan depends a lot on its type.

Example 20 wide by 50 long attic. Attic fans are a great way of cooling the attic. The purpose of an attic fan is ventilation and hot air movement strictly in the attic and nowhere else. Types of attic fans.

Some can have manual switches while others use a thermostat to turn them on and off automatically. You can get ones. Hot air is moved through the attic and then expelled. This can enhance cooling in the home and can also help with air quality and if you choose a.

This unit has to be vented through the wall but its compact size helps it fit. Once a contractor knows the attic square footage the amount of necessary attic ventilation. Attic fans also help to reduce the heat in the rest of the house. Attic fans are quite different.

Attic power fans can also be installed on the side walls of attics but the result is the same. A couple different fan styles can be used to help control the temperature of an attic space.