However the utility of attic ventilation fans is actually quite a controversial topic.
How to wire an attic vent fan.
This will help to avoid premature damage to the shingles or mold building up in moist hot.
Strip away about 6 inches of outer insulation and 1 2 inch of individual insulation from the end of each wire.
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.
Of insulation from the end.
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.
Use the hammer and staples to secure the cable to the joists at 12 inch intervals.
Staple the cable within 8 inches of both the attic light box and the thermostat box.
Good insulation reduces fan effectiveness.
A rule of thumb.
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.
Multiply this number by 7 to give you the minimum cfm required for your ventilator.
Run nm cable from the attic fan thermostat to the attic light.
Attach a box connector to the cable and feed the wires into the thermostat box.
Insert the end of the 12 2 wire into the fans junction box.
On average labor costs run between 100 300 and the fan itself may range from as little as 50 to more than 500.
The downside of attic ventilation fans.
Use wire nuts to connect.
Determine the attic s square footage.
Then cut out the circle with a reciprocating saw and mount the fan over the cutout using a drill.
Leave enough cable at each end to work with.
Pricing for attic fan installation varies depending on fan type and its location.