Here is some information so you can decide whether an attic fan is right for your home.
Do solar attic fans really work.
Whether or not an attic fan really works is a controversial subject.
Solar powered exhaust fans have come a long way since they were first introduced a few years ago and attic ventilation is so important because it can really get hot in any attic space.
Keep your attic cooler in summer in warmer climates like florida the heat buildup in your attic not only radiates to the living spaces below but can also damage your roof insulation and structural integrity of your home.
But after seeing my solar powered attic fan work i have a long list of cons solar powered attic fan checklist.
The downside of attic ventilation fans.
Danny s tests of solar attic fans showed that in florida where there s abundant solar energy yearly savings from installing two fans in a house with just over 1 000 square feet of air conditioned floor area amounted to only 460 kwh.
Fans don t move lots of air.
They can provide a cooling effect that reduces temperature significantly in your house.
Solar attic fans require direct sunlight to.
Attic fan ventilation attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside.
Using the simple physics principle of air circulation it can draw in cool air while letting out the warm air.
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.
Yes attic fans can make a difference.
However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the attic.
My attic space gets as hot as blue blazes.
It will offer you more benefits that include.
Solar attic fans provide a number of benefits for you and your home.
Good insulation reduces fan effectiveness.
Drifting clouds can prevent the fan s operation.
Energy professionals will tell you that they do more harm than good.
However the utility of attic ventilation fans is actually quite a controversial topic.
That means you re paying for the equipment without really getting the benefits that you need to improve your storage space.
Fans slow down or stop when most needed.
My husband really thinks it s a great idea to buy a solar attic fan but i don t want to waste the money if it does little or nothing.
The added heat makes your air conditioner work harder and means higher utility bills.
Manufacturers of attic fans as well as hvac companies will tell you otherwise.
Now the solar powered exhaust fans are great because all you have to do is cut a hole put them in place and you don t even have to worry.
There may never be an roi.
Depending on what your utility charges that s about 40 per year.
Bridgett w tampa fla.
Do attic fans really help to cool a room.
