Freezing and excessively hot outdoor temperatures rain and high.
Differential temperature control for attic fan.
Ul listed and wired for easy installation.
And finally the attic air temperature isn t the whole story.
After attic fan installation ac still off during day.
Supports upto 4 thermostat controls for heating and cooling calls greenhouse fan and vent controls and temperature alarming for refrigeration and motor overheating etc.
Iliving 18 wall mounted shutter exhaust thermostat control 3 speeds vent fan for home attic shed or garage ventilation 1736 cfm 2600 sqf coverage area variable silver 4 3 out of 5 stars 32 150 38 150.
Supports upto 4 differential temperature control loops for applications like solar hot water and air heating root cellar and attic differential cooling equalization etc.
Attic fan thermostat switch type spst switch action close on rise number of switches 1 control range 80 degrees to 130 degrees f differential 15 degrees f height 4 9 16 in width 2 13 16 in depth 2 1 8 in sensor type bimetal for use with attic ventilators fans and dampers color beige silver face application attic fan control.
In particularly hot climates set the temperature higher to keep the fan from running for extended periods of.
Dce that first graph shows shingle temperatures.
And within the attic the temperature will be hotter up near the ridge than at the top of the insulation which is all that matters when it comes to the ceiling delta t.
Temp 92 f at 5pm.
Temp 84f at 5pm.
During workdays would leave air conditioner off when leaving in the morning.
A good attic fan might cost you in the range of 150 and having it installed might cost you the hourly rate of a certified electrician.
Thermostat temperature ranges can be manually set from 60 to 120 helps power ventilator reduce damaging attic heat moisture.
This was observed on numerous days following the installation.
The attic fan kept my house cooler by 8f compared to pre fan installation days.
Ideal attic temperatures and humidity settings aren t always easy to maintain.
Ideal attic temperature and humidity settings.
The air below will be considerably cooler.
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
Dropping the temperature from 120 150 degrees to roughly the same as the outside temperature will save you enough on your power bill to offset the purchase and installation charge.