Blow Hot Air Out Of Attic

Hot air is the last thing you want from your home s ac unit.

Blow hot air out of attic.

Here is a picture of stuff blowing out of intake vent. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Low cfm similar to a bathroom vent 300cfm and only in the hot spots basically by adding an inline ducting fan to the return ducts for the hotspot rooms. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.

Insulated attic fan door. Even if your roof already has ridge vents and plenty of ventilation built in it s a good idea to install gable fans or roof fans to help blow hot humid air out of the attic. Install electric ventilators and attic fans which remove hot air from an attic. Using a fan to blow hot air out of the attic doesn t address the radiant heat flow from the roof to the attic floor.

Attic ventilation fans also tend to be quite energy efficient in terms of their own operation. Much of that heat then conducts downward and finds its way into the house. It seems cold air is now blowing out of the intake vent and hot air is blowing out of the vents. It draws cooler outside air in through open doors and windows to create a pleasant breeze that pushes hot air out through attic vents.

Truth is there are a ton of different variables that lead to warm air blowing out of your air conditioner. Before calling an ac repair company here are 5 common causes to help narrow your focus and point you in a cool direction. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. Trying to solve the heat gain problem in your attic by using a fan is like lying out at the beach with a fan blowing over you and thinking you re not.

Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape. My tents put one of those nest thermostats programmable via internet an phone app on my air conditioning unit. A ventilator fan can blow conditioned air up or down depending on the position of the blower unit. There are also room to room ventilator fans to move the conditioned air.

However with that understanding that creating negative pressure in the attic can cause all kinds of problems sucking out air from the conditioned space possible back drafting of combustion appliances etc he has come up with the idea to blow air into the attic instead i e creating positive pressure to force the hot air out.