Best Solar Powered Attic Fans

Best Solar Attic Fan

A solar attic fan is your best choice to keep your attic at its optimum condition without adding cost to your electricity. 

Regardless of what you use your attic for, make sure it gets ample ventilation to protect the things you put there and to make sure you are not allowing moisture to build up in this room.

A solar attic fan is easy to install. You don’t need a major renovation on your roof or to change your wiring panels.

If you need a fan to cool down your attic, the solar attic fan is the most convenient yet effective solution.

The Advantages of Choosing a Solar Attic Fan

If you are still undecided between a solar attic fan and an air condition unit, here are the major advantages of the best solar attic fan over an air conditioning unit.

Operating Noise. Solar attic fans are quiet compared with the loud buzzing sound from most air conditioners. 

Acquisition Cost. Solar attic fans are cheaper in almost all areas of dealing with the heat in an attic room. The solar attic fan unit costs cheaper than an air conditioning unit. They cost less to install, since no additional wiring or rewiring is needed. Lastly, they cost less to maintain.

Since these fans come with a solar panel, your operation will cost less because of not having to plug it into your electrical system. Having a solar attic fan is a boost to your HVAC system. You HVAC system will work less to keep the house at the right temperature.

Convenience. As we’ve mentioned above, solar attic fans are easy to install and maintain. You will have no need of any major changes to your current system or structure.

Top 5 Solar Attic Fan

Natural Light SAF48B Solar Attic Fan27.25 x 27.25 x 11.5 in188148 Watt25-year limited warranty
iLIVING ILG8SF301 Solar Attic Fan21 x 21 x 10 in175020 Watts15-year limited warranty
Natural Light SAF32B-FL Solar Attic Fan27.25 x 27.25 x 11 in156032 Watts25-year limited warranty System may qualify for the federal solar tax credit
Broan-NuTone 345SOWW Surface Mount Solar Attic Fan26-5/8″ x 29-7/8″ x 9″53728 WattsGreat low-profile, unobtrusive design
ECO-WORTHY L07FM30-SV25-1 Solar Attic Fan15.2 x 14.5 x 9.8 in196030 WattsOperates even in low voltage

The Benefits of Getting the Best Solar Attic Fan

Efficiency. Solar attic fans are efficient at making sure your attic has enough ventilation. You can even have solar attic fans that automatically shut down when it’s cool and run when the temperature increases.

Going Green. Some states are actively encouraging people to make green choices by rewarding them with tax credits. Make a quick research if this applies in your state. You can get up to 30% federal tax cut credit on the purchase of the unit and cost of the installation.

Extra Protection. Excess heat in the attic will most likely result in damages to your roof. A properly maintained attic is a sure asset to your home.

What are the Main Components of the Best Solar Attic Fan

Despite the different features available in solar attic fans today, the common components of a solar attic fan are as follows:

  • Solar Panel
  • Mount for the solar panel
  • Motor
  • Shroud bracket to be attached to the roof or gable
  • Motor Isolation Brackets to separate the motor from the blades
  • Flashing that covers the fan blades
  • Animal Screen to keep bugs and small animals from the fan blades
  • Thermostat
  • Fan blade

Key Features of the Best Solar Attic Fan

To help you get the most out of the best solar attic fan you will get, we have listed below the important features to consider when buying a solar attic fan.

  • Easy Installation

Since solar attic panels are preferred because of easy, almost plug-and-play installation systems, you have to make sure that the product you are getting is easy to install.

  • Adjustable Brackets

Your solar attic fan relies on solar power to work. You need to set up your system at the best angle to harvest the sun’s power.

  • Replacement Parts are Available

You want to keep you attic as well ventilated as often as you can. Do not let your attic sit in heat because parts are too difficult to get. Also, you don’t want to replace an entire unit just because of one malfunctioning component

  • Superb Fan Blades

Choose the solar attic fan that maximizes the fan blades capability to distribute air to your attic and powerful enough to create ample airflow.

  • Has a warranty

If a manufacturer is offering a comprehensive warranty with a long time frame, it is a good sign of superior build quality. 

The Best Solar Attic Fans of the Year

We have prepared this guide to help you figure out the best solar attic fan for your home. We’ve reviewed and compared the products below and have listed their features along with our pros and cons.

Let’s get started!

Our first pick for this review is the Natural Light SAF48B Solar Attic Fan.

Natural Light SAF48B Solar Attic Fan was designed to be easily installed on Shingle roofs with pitched Fiberglass-Asphalt makeup. This solar attic fan is lauded by builders who appreciate its great overall quality.

This solar attic fan is powered by the 48 Watt solar panel that enables its motor to distribute airflow up to 1881CFM. This powerful fan can manage the airflow of 2852 square feet of space.

The solar panel can be adjusted up to a 45 degree angle. Note that this particular model is designed to be mounted on flat roofs or side walls.

If you want to include Thermostats and Fire Safety Switches, you can buy them separately. If you will install this unit on a tile roof, you need to purchase the optional turret extension and tile roof flashing kits.


  • Offers a 25-Year Limited Warranty
  • Has options for tile roof installation
  • Easy-install design
  • Powerful 48-Watt solar panel


  • Thermostats and Fire Safety Switches are sold separately
  • Limited angle adjustment

Our nest product in our review of the best solar attic fan is the iLIVING ILG8SF301 Solar Attic Fan.

Let’s start with its 15-year warranty right off the bat. Now that is a great reassurance for you and your money. These guys are committed to giving you a satisfactory experience with their product.

iLIVING ILG8SF301 Solar Attic Fan has a brushless motor rated IP68. It is equipped with a smart thermostat control that you can disable anytime.

It’s solar panel can be adjusted at different angles (0°/15°/30°/45°). With 20 watts of power, it has a CFM rating of 1750 and can manage the airflow of a 2500 square feet area.

It also has a non-stop day/night running AC/DC adapter. However it is sold separately.


  • 15-year limited warranty
  • Equipped with a Brushless motor
  • Great CFM rate of 1750


  • Limited adjustments for the solar panel

We’re almost halfway-through our review of the best solar attic fan! Keep reading for more options below.

Our third pick for the best solar attic fan is the Natural Light SAF32B-FL Solar Attic Fan.

The Natural Light SAF32B-FL Solar Attic Fan is serious in their business. They are leading the industry with a 25-year limited warranty for the whole unit. YES, the entire unit!

Take the load of your air conditioning systems and get your attic the ventilation it needs without additional cost to your electricity.

Their best solar attic fan comes with a superior build quality and durability. This product can be easily installed on fiberglass-asphalt shingle roofs with no wirings to be done or replaced. The solar panels can be adjusted to maximize the solar power harvest.

It runs at the rate of 1560 CFM and can reach up to 2200 square feet of a room. The best of all, this system may qualify for the federal solar tax credit. Now that’s a bonus!

You can get an easy snap-on thermostat for cooler weather climates as an optional add-on that you have to buy separately.


  • System may qualify for the federal solar tax credit
  • Great CFM rate of 1560
  • Works well with areas up to 2200 square feet


  • Thermostat is optional

We are down to the last two products in our review of the best solar attic fan today. The next product on the list is the Broan-NuTone 345SOWW Surface Mount Solar Attic Fan.

The Broan-NuTone 345SOWW Surface Mount Solar Attic Fan is a 28-Watt solar attic fan that runs at 537 CFM to keep your attic dry and well-ventilated. It is equipped with an aluminum blade to keep your attic cool and give a boost to your air conditioning system.

It is designed to be compact and low-profile to be an unobtrusive addition to your roof. This results in easy and smooth installation. It has a tempered glass solar panel to endure harsh weather conditions. They indeed deserve a spot in our best solar attic fan review.

To protect your roof, this unit comes with stainless steel fasteners and galvanized steel brackets that are corrosion resistant and durable. It has a screen for insects and animals to prevent them from entering the attic and to keep a good amount of airflow.

You can buy an optional thermostat if needed. It will automatically shut off the motor when the temperature is at -50 degrees.


  • Effective aluminum blades to produce powerful enough airflow
  • Compact and Low profile design
  • Materials used to protect roof area from corrosion


  • Thermostat is optional

The final item in our review of the best solar attic fan is the ECO-WORTHY L07FM30-SV25-1 Solar Attic Fan.

The ECO-WORTHY L07FM30-SV25-1 Solar Attic Fan is a low voltage solar attic fan. The lowest voltage it can operate is at 4 volts. Even on cloudy days, you can be reassured your attic is ventilated.

With this best solar attic fan, you will save on electricity and will reduce the load on your air conditioning unit.

This solar attic fan comes ready to use. It is easy to install. The solar roof vent fan has a pre-installed solar cable armed with a quick connector. It does not matter if you want this solar attic fan installed in your gable or somewhere in the attic, you will not have a difficult time installing it.


  • Comes with a pre-installed solar cable with a quick connector
  • Operates even with low voltage


  • Smallest among the products in this review


As you’ve read above our review of the best solar attic fans, these units are expected to last between 15-25 years. It could be more, depending on factors such as the weather, maintenance efforts, and the build quality of the device itself.

Our best pick for these solar attic fans are the Natural Light SAF48B Solar Attic Fan, Natural Light SAF32B-FL Solar Attic Fan and the iLIVING ILG8SF301 Solar Attic Fan, for their great warranty periods. Among these three, the Natural Light SAF48B Solar Attic Fan offers the highest solar panel capacity.

Natural Light SAF32B-FL Solar Attic Fans are great not only for your attic but for the tax cuts it may bring to your tax statements. Maximize your money’s worth on this one.

If you want a low-key design that won’t attract so much attention to your roof, go with Broan-NuTone 345SOWW Surface Mount Solar Attic Fan.

If you want a solar attic fan but your place is not particularly sunny, you can still get the best ventilation in your attic with the ECO-WORTHY L07FM30-SV25-1 Solar Attic Fan.

We hope this review has helped you choose the best solar attic fan for your home. Here’s to great savings and well-ventilated attics!

At Comfy Home Corner we are dedicated in providing the best tips and product reviews to assist you with creating a better environment for your home.