How Long Should You Run An Attic Fan

The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.

How long should you run an attic fan. If the switch on temperature is set too low you can bet that the fan will run all summer long and create a noisy disturbance. If your attic fan seems to be running constantly it would be a good idea to bring in a professional to check it out and make sure it s still working properly. If you can improve ventilation in your attic and reduce the amount of heat the space holds and pushes into your home you ll reduce the cooling load on your air conditioner and save money on your utility bills. You may feel a less even distribution of heating and cooling because once the thermostat is satisfied the fan stops moving air to other spaces in the home.

A whole house fan can provide an energy saving alternative to air conditioning particularly when the air outside becomes cooler at night. Cons to setting fan on auto. Operation operating an attic fan is simple. While yes ventilation is important when the temperatures are high it is just as important if not more.

You ll need 2 to 4 times the normal area of attic vents or about one square foot of net free area for every 750 cubic feet per minute of fan capacity. There are a couple of reasons why you may not want to run your fan. Why should you maintain your attic fan. Ventilation in your attic is one of the most important things that you can do for your home and an attic fan is the best way to ventilate the space.

If it is the dead of summer and you have ductwork in your attic temperatures can reach as high as 140 degrees. Many homeowners are under the assumption that ventilation is only important in the summer but this couldn t be farther from the truth. The fan s auto setting works with your heating cooling system so your fan is running the least amount of time needed at the slowest speed. It helps to cool your home temperatures and the attic by approximately 30 degrees.

The net free area of a vent takes into account the resistance offered by its louvers and insect screens. Whole house fans work on the principle of removing the hot and humid air out of the house. Taking a look at the belt and blades of each fan and checking whether there is dry rot will help you find out if the fan is in a good working condition. The whole house fan is installed inside the attic between the living space and ceiling.

Instructions for running a whole house fan. When is running my furnace fan all the time not a good idea. Even if your ductwork is insulated it only does so much good against those kinds of temperatures. When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in.