The all purpose ventilator from u s.
Us sunlight attic fan installation.
By removing excess heat in your attic you can be more comfortable in your home reduce energy usage and save money.
The addition of the solar controller with dual mode technology will enable your solar powered attic fan to run after sunset or when there is no light available from the sun.
The reduction in attic temperature will also benefit the homeowner by preserving and extending the life of the roofing and attic construction materials.
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.
The reduction in attic temperature will also benefit the homeowner by preserving and extending the life of the roofing and attic construction materials.
Additionally you can protect your investment by removing moisture build up year round.