The solar attic fan runs on two essential components.
Solar is an attic fan necessary.
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.
The solar panel and its fan.
This product is a solar gable mounted attic fan that has a venting capacity to clear areas up to 2 250 square feet.
With solar powered technology solar star fans cool during the day with no cost to operate.
The size and capacity of your home is also a factor to consider.
Solar power is safer to use with an attic fan.
The whole house fan and the more common powered attic ventilator.
They also require no electrical wiring and are virtually maintenance free.
The safety and effectiveness of an attic fan is a subject that is hotly debated but line powered products usually cost more to operate than they can produce in savings during the summer.
A fan might be necessary if the construction of your house is such that you can t install a sufficient amount of roof or soffit venting or the attic has corners without enough circulation.
Electric attic fans however often increase energy consumption and cancel out any savings unless the attic is not insulated at all.
Also since the fan is powered by the sun it should turn off when the sky is overcast during a storm which will keep it from drawing rain into the attic.
This fan moves 1 000 or more cubic feet of air per minute creating low pressure in your attic.
Also the product has a thermally protected fan.
The fan blades spin but they don t lower the attic temperature at all.
Good insulation reduces fan effectiveness.
They also create zones of negative pressure that could pull the ac cooled air into the attic.
The fan inside the solar attic fan is in charge of the actual ventilation.
To reduce that expense some homeowners buy an electric or solar attic ventilator.
This is a solar panel supplying free electricity to the attic fan under the silver dome on the rear roof.
The solar panels are responsible for collecting solar energy.
The powerful 40 watt amtrak solar attic fan is another great option that can help you reduce the attic temperature from 150 f to 90 f by extracting all the hot air that is concentrated inside the attic during summer seasons.
Whole house fans the fan is mounted in the floor of the attic sitting above a.
There are really two categories of attic fans.
The size of the panel depends on the model one bought.
However the utility of attic ventilation fans is actually quite a controversial topic.