How To Wire An Attic Vent Fan

However the utility of attic ventilation fans is actually quite a controversial topic.

How to wire an attic vent fan.

Insert the end of the 12 2 wire into the fans junction box. 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. The downside of attic ventilation fans. 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.

Strip away about 6 inches of outer insulation and 1 2 inch of individual insulation from the end of each wire. Staple the cable within 8 inches of both the attic light box and the thermostat box. Good insulation reduces fan effectiveness. Leave enough cable at each end to work with.

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. 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.

Bring the cable through one of the studs supporting the fan and strip about 8 in. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. Multiply this number by 7 to give you the minimum cfm required for your ventilator. Pricing for attic fan installation varies depending on fan type and its location.

A rule of thumb. Whole house fans tend to have higher overall costs than attic ventilation fans. Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill. Determine the attic s square footage.

Use wire nuts to connect. This will help to avoid premature damage to the shingles or mold building up in moist hot. 1 square foot of intake for every 300 cfm of ventilator.