Best Solar Powered Exhaust Fan for Sheds | 2024 Reviews

Best Solar Powered Exhaust Fan For Sheds

Most sheds are usually airtight and highly insulated. A shed with warmer air and built up moisture can lead to premature failure of some of its structural materials, and can cause certain health problems to you when carrying out activities in it. Having an exhaust fan installed is one easy way to eliminate hot and moist air from your shed, keeping it cool and dry which in turn helps to prevent structural defects and health problems. 

However, the fear that it can hike up your electricity bill in a way even though it consumes minimal power becomes a reality. Not to worry, because there is an ultimate solution - a solar powered exhaust fan for your shed.

Installing one of these is one eco-friendly way to remove hot air and moisture in your shed or even a small attic. And during winter, this can also come in handy to help eliminate any winter moisture. Typically they operate entirely on solar energy and requires no electricity thereby helping you save more money at the cost of cooling your shed; utility shed, garden or caravan all year round.

Having one of these installed in your shed or small attic will undoubtedly be a great investment as long as you pick the right model. There are many available in the market but to ease out your buying pain, we have taken the time to put together the list of the best solar powered fans for your shed in 2024.

Top 5 Rated Models Comparison Table

Reviews of the Best Solar Powered Exhaust Fans for Sheds of 2024

#1. Amtrak Solar's Powerful 40-Watt Galvanized Steel Fan

Amtrak Solar's Powerful 40-Watt Galvanized Steel Fan

This is an efficient solar powered attic fan that can be easily installed anywhere around your shed to keep it cool and dry with fresh air circulation. It comes in two sets, a 12 DC volt fan and a high-quality crystalline solar panel of 40watt.

The best part is that the solar panel is certified to power your fan up to 30years, and comes with a full refund satisfactory in case of any defect experienced within this years. And you can also get a free optional thermostat that automatically helps to turn on/off your exhaust fan when your shed reaches a certain temperature or humidity level.

The negative part is the cost as it is sold at a pretty high price when compared to others on the list. And biggest complaint is that it makes a loud buzzing sound.

Overall, this is one of the best solar exhaust fans for your shed, which has high efficiency and comes with a good warranty.

Verdict: Best Overall


  • Highly efficient
  • It works great
  • Easy to install
  • High-quality solar panel
  • Good warranty


  • It is expensive compared to others
  • Makes loud sound
  • It does not function at night or lowlight condition
  • Stays dead at night

#2. ECO-WORTHY Solar Venting Roof Fan


If you’re looking for an easy way to ventilate your boat, shed, greenhouse or caravan, this is one perfect choice for you. It is a standalone solar exhaust fan that can help to prevent your small attic from mold, condensation, mildew, and damp, etc.

What makes it good is that it functions efficiently even at night as it comes with an inbuilt battery that recharges during the day and provides you with continuous operation at night. Another plus is that it is easy to install.

For the sake of efficiency, this requires sufficient sunlight to power up the fan, and it is less efficient during cloudy days. Another uncomfortable part is that it comes with one year warranty.

Overall, works great at night, easier to install and it is cheaper compared to others.


  • Affordable
  • Efficient in low light condition


  • Short warranty
  • Less efficient on cloudy days

#3. Rand Solar Powered Attic Fan-8 Watt-W Roof Top Ventilator

Rand Solar Powered Attic Fan-8 Watt-W Roof Top Ventilator

This is a perfect choice if you have a smaller shed. This solar attic fan has a capacity of 435 CFM that can ventilate an attic of about 700 square foot comfortably. It comes with a brushless motor that enables it to stay quiet on operation.

The amazing part is that it is made of heavy duty high impact ABS plastic that keeps It free from corrosion and makes it last longer under harsh weather condition. And it comes with a 20 years part warranty.

One concern you may have if you were to purchase this, is that it is a roof mounted type. Which means it is not a suitable choice if you want a solar exhaust fan to be mounted on the wall.

Overall, it is highly effective for small spaces and can cool your attic temperature up to 50 degrees.


  • Decent warranty for its part
  • Easy to install on your roof
  • Quiet operation
  • Works efficiently for small spaces


  • Stays dead at night
  • Fan operation does not last long

#4. Amtrak Solar Attic Fan 40 Watt

Amtrak Attic Fan 40 Watt

This is another powerful solar exhaust fan from Amtrak on our list. With this type, You can be less concern about where you want to mount this fan because it can be easily installed in the gable vent or anywhere in the attic. It comes with a high-quality panel of 40 watts that can provide your fan with sufficient power to keep it running efficiently at dawn.

The amazing part is that it saves you from the stress of making a hole in your shed as it can be easily mounted at your gable vent. It comes with a decent 25-year warranty on panel and ten-year warranty.

The few let down is that it comes with no thermostat and it does not function at night. And the airflow is a little weak which is the biggest complaint.

Conclusively, it will certainly work for your shed well, and it is easy to install anywhere in your attic.


  • Easy installation
  • Powerful solar panel


  • Weak airflow

#5. Solar Roof Vent

Solar Roof Vent

This solar roof attic fan can help to exhaust the trapped heat and moisture in your shed more efficiently keeping your attic cool and dry. It is a perfect choice for your garage, garden shed, utility shed and your dog house. And for maximum efficiency, it recommended that you install one for every 600sq. Foot of roof area.

This is a good solar attic fan that allows you to install it anywhere in your small attic.

The negative part is that it produces weaker airflow, and will require multiple of this fan to cool a fairly large shed.

All in all, it is highly efficient for small-medium sized sheds.


  • Durable
  • Simple installation


  • It comes with a very high price compared to others

Things to Consider When Buying a Solar Shed Fan

Since you have known that introducing a solar powered exhaust to your shed is the best way to eliminate hot air, minimize the humidity and odor within your small attic. Shopping for one may seem like an easy task, but there are certain factors to consider in other to get the right one that will meet your desired needs excellently. Back then, it is easier to get one due to fewer choices, but today, due to many advanced options available in the market choosing one requires more consideration.

Here are some important factors to consider that will help you get the right one.


Different sizes of sheds require different airflow. And for your fan to work great in eliminating hot air and providing adequate ventilation depends on the size of your shed. The capacity needed for better efficiency depends on the wattage and CFM (cubic feet per minute) of the solar powered exhaust fan.

Hence before embarking on the right purchase is best you know the minimum airflow required in your shed. To get this, multiply the shed square feet by its height, and then divide the total result by 7.5.

Mounting Types

Thing is one important consideration when planning on getting a solar powered exhaust fan for your shed. There are different types out there; some can be wall mounted, roof mounted, exterior or ceiling mounted. Roof-mounted type can easily ventilate your shed and cool your roof at the same time, but if you want one that can be placed easily around your shed or smaller attic you can go for the wall mounted type. An exterior solar exterior exhaust fan can also be mounted on the wall; the beneficial part about this type is the noise produced from the fan can only be heard outside.

Automatic Controls

There are newer models with an inbuilt thermostat that can automatically turn on the fan at a certain humidity or temperature level. However, Some of this models still have a manual control that allows you to turn it on or off when required.

Solar Panels

Of course, this has to be taken into consideration as most solar exhaust fans for garden sheds come with a smaller solar panel, while others may have a larger size panel.  Larger sized solar panels can acquire sufficient sunlight when compared to smaller ones. As you should know, the larger the solar panel, the higher the wattage for better efficiency as it can supply more power to your exhaust fan. And If the solar panel comes with low wattage, it may not be able to power the fan efficiently.

Noise Level

If you want to enjoy quiet time while carrying out activities in your shed or smaller attic,  this is one crucial factor that should not be left out. Some solar exhaust fans tend to make a buzzing sound that can make you uncomfortable. Hence, when buying one, always search for one that produces quiet sound for maximum comfort in your shed.

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This help to protect you against certain defect made by the product manufacturer. It is an important option that helps to provide operational coverage in case of malfunctioning. Some solar exhaust comes with a complete one year warranty while some are certified with a longer backing. Getting a solar exhaust with longer years of warranty will undoubtedly give you much satisfaction that you can still get a refund, repair or newer one if there are any noticeable defects or malfunctioning on the product within its warranty limit. Hence, it is best you find out the warranty limit when buying one.

Final Word

A solar exhaust fan is one of the best ways to remove hot air and moisture from your shed, garden shed or smaller attic during summer and winter. With the help of this, you can easily keep your attic cool and dry all year round. Moreover, it requires no electricity and can be easily installed without the help of professionals.  And it also gives you the chance to save more money on your electricity bills. And keep in mind that it only requires a low budget to get yours. However, our first pick goes to the Amtrak Solar Attic Fan 40 Watt With 12"High-Performance Fan because it comes with a 40watt solar panel and can be installed anywhere in your attic comfortably.

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