My Attic Fan Does Not Work

In the late evening or early morning the fan is turned on to exhaust hot air from the house.

My attic fan does not work.

If you notice that the attic fan is not switching on or off according to temperature variation it indicates that the thermostat is no longer functioning properly. Manufacturers of attic fans as well as hvac companies will tell you otherwise. Some of it will go directly into the attic air by conduction but that s a small amount because air isn t a good conductor. Poor insulation is usually the culprit although if you enter the attic on sunny winter day your attic space can be warmed by the sun more than your furnace.

Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. Little or no airflow. 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. The underside of the roof deck can get very hot so hot you can t keep your hand on it.

Get your attic fan in working order. Fan motor runs but the blades don t move sometimes you face an issue where the attic fan s motor comes on but the fan. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. Here is some information so you can decide whether an attic fan is right for your home.

Fan problems if there are not enough soffit gable or ridge vents a powerful attic exhaust fan can pull the air from your home. Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand. Attic fan not turning on if the attic fan isn t turning on it could be an electrical issue a problem with the. At temperatures of 150 f or more that s a lot of heat sitting there in that plywood or osb.

Cooler outdoor air enters through open windows lowering the indoor temperature. When it comes to protecting your home from excess moisture mold and other signs. Even with the highest quality attic fans you re likely to run into one of these common attic. Fan motor runs but not the blades.

Locate the thermostat casing and open it using a screwdriver. Good attic ventilation is excellent for. Common attic fan problems and how to fix them. Energy professionals will tell you that they do more harm than good.

A whole house fan is usually installed on the attic floor near the center of your house. If there is any damage to the belt replace it with a new one. The replacement is quite simple and straightforward. If the motor is working but the fan blades are not moving the problem may be the belt.

Whether or not an attic fan really works is a controversial subject.