Should I Install An Attic Fan

Find out why you should not get an attic fan if you have central air conditioning.

Should i install an attic fan.

Installing an attic fan. This model draws its energy. Broan surface mount solar powered attic ventilator the broan is an excellent option for anyone looking for an easy install high performance attic fan. Whole house fans tend to have higher overall costs than attic ventilation fans.

Ideally there should also be plenty of soffit intake space their calculations recommend 336 net square inches of open soffit ventilation to supply 700 cfm. The downside of attic ventilation fans. On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. Pricing for attic fan installation varies depending on fan type and its location.

How you wire your attic fan will depend on local codes and whether you can find an attic circuit with enough reserve capacity to handle the 3 2 amp fan motor. If the attic fan increases the comfort level of the house it may be worth it. If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit. A fan might be necessary if the construction of your house is such that you can t install a sufficient amount of roof or soffit venting or the attic has corners without enough circulation.

The attic fan kept my house cooler by 8f compared to pre fan installation days. After attic fan installation ac still off during day. Hvi recommends a ratio of 60 to 40 for soffit ventilation to gable or ridge ventilation. This is because an attic fan does not take.

A properly installed attic fan is installed on the back of your roof usually in the center and about two feet down from the peak. Also learn why you should install ridge and soffit vents to improve attic ventilation before you consider putting in a fan. This was observed on numerous days following the installation. Temp 84f at 5pm.

During workdays would leave air conditioner off when leaving in the morning. For most homes only one attic fan is needed but you may need more than one to properly vent the attic if you have a large attic space or separate attic spaces.