How To Wire An Attic Vent Fan

Insert the end of the 12 2 wire into the fans junction box.

How to wire an attic vent fan.

Staple the cable within 8 inches of both the attic light box and the thermostat box. Run nm cable from the attic fan thermostat to the attic light. The downside of attic ventilation fans. To install an attic fan over a gable vent in your attic trace the body of the fan onto a piece of plywood that s wide enough to mount on the studs on each side of the vent.

Good insulation reduces fan effectiveness. This will help to avoid premature damage to the shingles or mold building up in moist hot. A rule of thumb. However the utility of attic ventilation fans is actually quite a controversial topic.

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. On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500. Of insulation from the end. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents.

Whole house fans tend to have higher overall costs than attic ventilation fans. Bring the cable through one of the studs supporting the fan and strip about 8 in. 1 square foot of intake for every 300 cfm of ventilator. Pricing for attic fan installation varies depending on fan type and its location.

An attic with 1 500 square feet x 7 1 050 cfm make sure you also have adequate air intake typically through the undereave vents. A how to demonstration of wiring your xxfirestat or power attic vent thermostat. Strip away about 6 inches of outer insulation and 1 2 inch of individual insulation from the end of each wire. Use wire nuts to connect.

Attach a box connector to the cable and feed the wires into the thermostat box. Use the hammer and staples to secure the cable to the joists at 12 inch intervals. Determine the attic s square footage.