My Attic Fam Does Not Work

Little or no airflow.

My attic fam does not work.

Strong attic fans can actually back draft furnaces or water heaters by pulling combustion gases out of their burnersand into the home. Manufacturers of attic fans as well as hvac companies will tell you otherwise. In this case shut off the power to the fan and check the blades. Here is some information so you can decide whether an attic fan is right for your home.

Your attic fan may not be turning on because of an electrical problem like a tripped circuit breaker a blown fuse or a bad connection. Some can have manual switches while others use a thermostat to turn them on and off automatically. Check that a whole house fan is receiving electrical power when it doesn t work at all. Whether or not an attic fan really works is a controversial subject.

Fan motor runs but not the blades. My central a c fan is not working what do i do. Look at the circuit breaker or fuse box to see if a switch has flipped. Firstly let s start off with clarifying the.

If this doesn t fix the problem a burned out fan motor may need replacing. Energy professionals will tell you that they do more harm than good. Unless your roofing system has insulation on the roofing deck and is designed without ventilation your furnace should not be heating your attic. This issue can happen on any type of attic fan as it is caused by the fan blades being bent dented or broken.

A central air conditioner is an elaborate system that involves parts such as an evaporator a compressor a condenser fans and refrigerant to run through the unit. Attic fans come with different models. If you notice that the ventilation from the attic fan is not flowing as well as it should be there might be a blade caught somewhere. If the motor is working but the fan blades are not moving the problem may be the belt.

You can diagnose it by plugging other electrical appliances that are working into the same outlet and by plugging the fan into a different power outlet. Switch off the power of the attic fan and remove the power cord. Remove the outer casing of the attic fan and check to see if the belt is sagging cracked worn or broken. The replacement is quite simple and straightforward.

If there is any damage to the belt replace it with a new one. Locate the thermostat casing and open it using a screwdriver. Other possibilities include damage to the wiring or a switch best repaired by an electrician. 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.

If there are not enough soffit gable or ridge vents a powerful attic exhaust fan can pull the air from your home through the ceiling if it is not perfectly sealed off.