Attic Exhaust Fan Purpose

An attic fan pulls air into the attic from the outdoors using the soffit vents you should already have installed in the eaves.

Attic exhaust fan purpose.

Proper exhaust fan ventilation solution properly venting your bathroom exhaust fan through the roof is essential for removing moisture from your attic space. 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. It is designed to lower the temperature of an attic by exhausting air from the attic and replacing attic air with outdoor air. The egv5 power gable mount vent can move air at a rate of up to 1450 cu.

They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs. A powered attic ventilator has a different purpose. A powered attic ventilator or attic fan is a ventilation fan which regulates the heat level of a building s attic by exhausting hot air. This air is then exhausted through the fan to the outside.

The problem with this design as argued by energy professionals is that attic fans also pull the conditioned air from your home into the attic. Intake vents located at the lowest part of the roof under the eaves allow cool. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. This is done by re routing or installing duct pipe from the fan and then routing it to an exterior vent onto the roof giving an exit for moisture.

A thermostat is used to automatically turn the fan off and on while sometimes a manual switch is used. Fresh air is pulled in from your soffits and or roof vent creating a draft through your attic. An attic fan can be gable mounted or roof mounted. Attic fans exhaust hot air from your attic to the outside.

Ideally this will lower the high temperatures that have built up in your attic. 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. As the attic fan draws outdoor air into the attic it vents hot stale air out through attached dormers. They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs.

Unlike a ventilation fan a whole house fan an attic mounted fan that exhausts air from a home at night is designed to cool a house that is to lower the indoor temperature. The egv6 power gable mount vent can move air at a rate of up to 1600 cu.