Energy Cost Of Attic Fan

The downside of attic ventilation fans.

Energy cost of attic fan.

These whisper quiet and energy efficient fans can save you up to 30 on your a c cooling costs by just cooling your attic space. Many people confuse attic fans with whole house fans but they are not the same thing. Most homeowners can expect to pay between 369 and 876. Over 24 hours that would be 5 856 btu.

Ceiling fans are very useful if you have one installed in your house. The less expensive of the two types of fans is the electric attic fan with an average cost of approximately 250 to 350 installed. Depending on the quality of the unit you choose location and add ons the project can run as little as 200 or as much as 1 300. If you were supplying heat to your house with electric resistance heat at a cost of 0 14 kwh that would cost you 36 over the winter.

Over 5 months that would total 878 400 btu or 257 kwh. The whole house fan pulls air in from open windows and exhausts it through the attic and roof. Good insulation reduces fan effectiveness. For example an electric fan adequate for venting a 2 500 square foot attic would cost about 149.

Adding a humidistat would cost about 39. Summer may be ending but there are still many warm humid days ahead. Quietcool attic fans allow you to turn off your most expensive appliance and cool the largest portion of your home that a c doesn t reach. 70 168 at 50 savings.

The difference in the rate of heat flow is 244 btu h. Ad the infrared rays from the sun are powerful. 126 302 at 90 savings. Whole house fans such as those from quietcool can save 50 90 of a c electricity costs.

Attic fan installation costs an average of 593. It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside. When a c typically costs 140 336 per month that s a savings of. A solar powered attic fan will average 600 installed.

An conservative estimate cost per month is around 6 8 to run an 80w 100w fan for 12 hours a day. Do yourself and your energy bill a favor by installing an attic fan that will lower the temperature and lower your energy bills. However the utility of attic ventilation fans is actually quite a controversial topic. What is an attic fan.

The solar attic fans all moved less than 1 000 cubic feet of air per minute cfm and they did nothing to lower the temperature inside my own attic. It provides good attic ventilation in addition to whole house cooling. There aren t a whole lot of downsides to installation. This means that when you run the numbers your tower fan will probably cost 0 01 0 02 per hour to run depending on your electricity costs per kwh.