Leave enough cable at each end to work with.
How to wire an attic vent fan.
Bring the cable through one of the studs supporting the fan and strip about 8 in.
A how to demonstration of wiring your xxfirestat or power attic vent thermostat.
Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill.
The downside of attic ventilation fans.
Pricing for attic fan installation varies depending on fan type and its location.
Multiply this number by 7 to give you the minimum cfm required for your ventilator.
Staple the cable within 8 inches of both the attic light box and the thermostat box.
An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents.
However the utility of attic ventilation fans is actually quite a controversial topic.
Use wire nuts to connect.
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.
Run nm cable from the attic fan thermostat to the attic light.
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.
Whole house fans tend to have higher overall costs than attic ventilation fans.
1 square foot of intake for every 300 cfm of ventilator.
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.
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.
A rule of thumb.
Determine the attic s square footage.
This will help to avoid premature damage to the shingles or mold building up in moist hot.
Insert the end of the 12 2 wire into the fans junction box.