Best Solar Attic Fan

Are you searching the best solar attic fan?

Getting a high quality solar fan for your attic comes with multiple benefits. With that in mind I have reviewed the top models on the market and after reading this article you will know my recommendations.

Check out the quick list below for links to customer reviews and prices for my picks, or read on for the full review:

  1.  Natural Light Solar Attic Fan 36 Watt Florida Rated
  2.  Broan 345SOWW Surface Mount Solar Powered Attic Ventilator 28 Watt
  3.  GBGS Solar Attic Fan
  4.  ESM Products 30 Watt Solar Attic Fan
  5.  Natural Light 24 Watt Solar Attic Fan

1)      Cool down areas air conditioning does not reach

2)      Reduce reliance on using air conditioning units

3)      Ease of installation

4)      Tax credits

Solar powered attic fans are widely selected for their ability to cool rooms that AC doesn’t cool efficiently while reducing reliance on AC. Add on top of that, they are incredibly easy to install, going with a solar attic fan is a game changer for those who want these benefits.

Installing a high-quality unit can decrease attic temperatures by as much as thirty percent while simultaneously reducing AC usage by six percent.

Solar attic fans can achieve this by taking the hot air that’s in your attic and pushes it outside while allowing cool air to travel through the vents. This drops the total temperature in the home allowing the AC to run less, leading to a decrease in energy usage.

The fans are not plugged into your electrical and are the included fan motor is instead run from solar power collected by the built in solar panel.

Some models come with batteries to allow the units to keep working even in low light conditions and at night.

Installation can be done by most homeowners without the need to call a pro.

One amazing benefit of going with a solar attic fan is that they are eligible purchases for utilizing the Federal Residential Energy Credit. This allows the home owner to take advantage of a 30% credit for the total cost of the unit and installation.

Some local and state governments offer additional tax incentives so check with your local administration for potentially larger savings.

How Many Do Your Need?

Solar attic fans can move different amounts of air depending on the model. The amount each fan can move is measured in cubic feet per minute, or CFM.


Generally, it is recommended that the average attic use a solar fan rated at least 1,000 CFM. 


Each of my recommendations will handle up to a couple thousand square feet so most home owners will only need one solar attic fan.


The average attic stands at 1,600 square feet so if your attic is larger than that you will want to opt for multiple units.


Installation of the units on my list are very easy. You will need basic home tools and a couple hours time and you will have your unit up and running.

One key is to locate an area to install the fan and ensure that it is relatively centrally located. From there, a Sawzall is perfect for cutting out the section for fan placement. After the unit is placed you will need to follow the manufacturer instructions for sealing the perimeter of the fan. That’s it!

Best Solar Attic Fan

Natural Light Solar Attic Fan 36 Watt Florida Rated

This solar attic fan is made of quality materials and rated at 36 watts and up to 1995 CFM. It is easy to install and should take most about an hour to have up and running. This unit comes with all necessary hardware and even sealing caulk. You can see up to an average temperature drop of 9 degrees with this fan. This is a great option for cooling down your upper floors and reducing AC power consumption.


          Cools up to 9 degrees

          Easy installation

          Comes with all necessary hardware and sealing caulk

          Quality construction materials

          Excellent solar panel included


          Only has on off setting

          Will need to cover parts of panel to lower fan RPM

Broan 345SOWW Surface Mount Solar Powered Attic Ventilator 28 Watt

This solar attic fan has an ingenious low profile design that many will find a better look than most vent fans available. It comes equipped with a heavy gauge aluminum screen to prevent insect, birds, and other animals from damaging the unit. The motor on this unit is incredibly quiet while still offering almost 900 CFM. Larger homes may need two units but one fan will be sufficient for the average size home.


          Quiet fan

          Low profile design

          Built in pest screen

          Can withstand hail


          Large homes will need two units

GBGS Solar Attic Fan

Powerful solar roof fan rated at 1750 CFM. This is an excellent option for both your home and garage. The solar panel is adjustable allowing for optimal positioning to power the ventilation fan. This unit has an automatic start when the temperature reaches 77 degrees and auto shuts off at 65 degrees. With easy installation, this is an excellent overall option.


          Fully adjustable solar panel

          Quiet motor

          1750 CFM

          Auto start and shut off feature

          Motor comes with 10 year limited warranty

          Solar Panel come with 20 year warranty


          Base plate gives little room when attaching screws

ESM Products 30 Watt Solar Attic Fan

The 30 watt crystalline solar panel is high quality and perfectly feeds this solar attic fan. The brushless motor is durable and installation is quite easy. This is a good alternative if you are looking for a slightly more affordable model while not losing much in efficiency.


          Brushless motor

          Quality solar panel

          Will lower the temperature


          Noisier than other models on my list

Natural Light 24 Watt Solar Attic Light

This 12 watt model is perfect for average to smaller homes. It is rated at 893 CFM which will circulate air up to 1260 square feet. If you have a larger home and opt for this model, you will want to get at least two units. The solar panel is adjustable making for efficient sun collection. Another easy model to install and it should take approximately one hour to complete.


          Very efficient cooling

          Easy install

          Durable aluminum construction

          Quality solar panel


          Not as powerful as other models on the list

Installing a high quality solar attic fan can be a game changer if you live in areas where the temperature skyrockets in the summer. These units are all going to help you cool your home and lower your energy bills. Most will find their investment covered in their first year or two. Add to that the current tax incentives and going with a solar attic fan is a true winner. 

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