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 installation.
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.
Sunlight is a versatile easy to install solution for spanish tile concrete or metal roof homes.
The all purpose ventilator from u s.
By removing excess heat in your attic you can be more comfortable in your home reduce energy usage and save money.
The reduction in attic temperature will also benefit the homeowner by preserving and extending the life of the roofing and attic construction materials.
The reduction in attic temperature will also benefit the homeowner by preserving and extending the life of the roofing and attic construction materials.