Energy Cost Of Attic Fan

It s always a good idea to run the whole house fan any time the air outside is cooler than the air inside.

Energy cost of attic fan.

The difference in the rate of heat flow is 244 btu h. What is an attic fan. Most homeowners can expect to pay between 369 and 876. Many people confuse attic fans with whole house fans but they are not the same thing.

Ceiling fans are very useful if you have one installed in your house. Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool. 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. 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. Do yourself and your energy bill a favor by installing an attic fan that will lower the temperature and lower your energy bills. An conservative estimate cost per month is around 6 8 to run an 80w 100w fan for 12 hours a day. However the utility of attic ventilation fans is actually quite a controversial topic.

Attic fan installation costs an average of 593. It provides good attic ventilation in addition to whole house cooling. Good insulation reduces fan effectiveness. There aren t a whole lot of downsides to installation.

A solar powered attic fan will average 600 installed. When a c typically costs 140 336 per month that s a savings of. 70 168 at 50 savings. 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.

Summer may be ending but there are still many warm humid days ahead. Over 24 hours that would be 5 856 btu. 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. 126 302 at 90 savings.

Ad the infrared rays from the sun are powerful. For example an electric fan adequate for venting a 2 500 square foot attic would cost about 149. Whole house fans such as those from quietcool can save 50 90 of a c electricity costs. The downside of attic ventilation fans.

Over 5 months that would total 878 400 btu or 257 kwh. 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. Attic fans and energy costs. 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.