When there is no sunlight available to power the fan and the solar controller has the optional house power connection enabled the solar controller will cycle house electricity for 15 on 15 minutes off every half hour in order to power the fan.
Us sunlight attic fan motor.
Installing a solar powered attic fan will help remove the heat build up in your attic and bring your attic s temperature down closer to the ambient outside temperature.
38 2 volts dc 1 4 stainless steel shaft 2 1 8 diameter x 4 1 4 length 5 1 8 including shaft works well on 10 25 watt solar fans.
With 43 of air conditioning base on high attic temperatures frequently up to 160f lowering attic heat typically lowers air conditioning run time.
Great service and response from us sunlight.
Recommend adding the dual mode controller that allows the fan to operate after dark to remove heat however you need an electrical outlet close to the installation attic area to connect to house power.
The sunfan professional series roof mount attic fan is designed to reduce heat build up in your attic in the summer and remove harmful moisture in the winter.
The solar powered attic fan 9010tr effectively reduces attic heat build up in the summer months and moisture in the winter months.
The professional series solar powered attic fan 9930tr effectively reduces attic heat build up in the summer months and moisture in the winter months.
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With 43 of air conditioning base on high attic temperatures frequently up to 160f lowering attic heat typically lowers air conditioning run time.