Attic Fan Airflow Direction

The quietcool afg pro 3 0 attic gable fan can help cool and ventilate your attic for just pennies an hour.

Attic fan airflow direction.

However the utility of attic ventilation fans is actually quite a controversial topic. With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly. Never cover attic soffit vents with insulation use rafter vents and soffit vents to maintain airflow. 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.

Running at 250 watt and moving over 2860 cfm this fan uses less power than typical attic fans that move half the amount of cfm. These fans are usually wired to run in one direction. Good insulation reduces fan effectiveness. Most solar attic fans are surface mounted meaning that they are installed directly through the roof surface where they are most efficient.

Whole house fans are used to blow hot air out of the attic by sucking cool air through the house up though the whole house fan and out though the gable vents in the attic. As the attic space warms up from the irradiation of the sun the ventilation port opens wider to allow the solar fan to move more warm stale air out of the attic area. Some whole house fans however can be reversed to spin in the opposite direction. The afg pro 3 0 is possibly the most powerful residential attic fan on the market today.

Quietcool attic fans work almost everywhere almost anytime. An overhead fan can create a relieving breeze or recirculate heat during cooler months if you know how to change the ceiling fan direction. Solar attic fans do just that. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.

One static vent style is the turbine vent which uses wind to power its enclosed fan all it takes is a light breeze to rotate the blades and suck heat out of the attic view example on the home.