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8 Best Attic Fans to Keep Your House Cool and Comfortable

These attic fans help push hot air out, lowering the temperature throughout your home.

attic fans
Staff, Courtesy of AC Infinity

Attics can act like a heating blanket over your home, with their hot, stale air raising the overall temperature of the house below. However, an attic fan can help exhaust that hot air outside, thus lowering the attic temperature, and, in turn, cooling the entire house. They won’t be as effective as an air conditioning system or whole house fan, but they are much cheaper alternatives and can be great cooling options for homes of many sizes and layouts. Just make sure your attic is appropriately sealed off from the rest of the house or your attic fan could inadvertently suck valuable cool air from the rooms below.

What to Consider

You’ll want to take the installation process into account when choosing your attic fan—specifically how much you’re comfortable doing yourself—and what kind of setup is in place already. If you already have an attic fan that you're upgrading or replacing, then you may not have to do much installation at all, which should lower the overall cost of the project and may allow you to afford a more expensive system. On the other hand, if this is your first attic fan, you may have some structural work to do. In that case, just remember that you may need to add the cost of that work to the price of the fan.

How We Selected

When putting together this list of attic fan options, we did extensive online research. This included combing through online reviews, downloading and reviewing instruction and installation manuals, and watching any available video tutorials explaining specific models. This research—in addition to personal experience with their other products—is the primary reason we included so many models from QuietCool, a brand that has been producing high-quality fans for over 20 years. In addition to standard attic fans, we also added one option that is versatile enough to be used for other rooms where this type of exhaust fan would be beneficial.

Looking for more fans? Check out our guides to window fans, tower fans, and desk fans.

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Best High-End Solar Option
40 Watt Solar Powered Roof Mount Attic Fan

Key Specs:

  • Power Type: Solar
  • Mounting Location: Roof

This QuietCool model isn’t cheap, but if you’re looking for a high-quality solar option, it could be worth the investment. The AC/DC inverter allows the fan to be powered by 100% solar power during the day, and when the sun goes down, AC power takes over for the night, allowing you to run the fan 24 hours a day.

Although the work it takes to mount this fan is fairly intensive, the included manual and video tutorials make it simple—if you have the know-how and time to do it. It doesn’t require any wiring, either. Just plug it in and you’re good to go.

  • Can rotate 180 degrees
  • Built-in thermometer monitors attic temperature

  • Expensive
Best for Big Spaces
30-Watt Solar Attic Fan
Remington Solar

Key Specs:

  • Power Type: Solar
  • Mounting Location: Roof

One of our favorite things about this solar-powered fan is its focus on overall durability. It’s designed to be resistant to hail, strong winds, and other inclement weather conditions, which is always a plus when solar panels are involved. 

It also features a brushless motor, which will last longer and run more efficiently than models with brushed motors. The thermostat and humidistat work together to adjust its operation to your attic’s current conditions, maximizing its efficacy.

It’s pretty expensive, but the 30-day, no-questions-asked return policy should alleviate some of the nerves associated with this fan's price tag.

  • 15-year warranty
  • Can ventilate 2,200 square feet

  • Expensive
Best Affordable Smartphone-Controlled Option
Smart Attic Gable Fan

Key Specs:

  • Power Type: AC Plug
  • Mounting Location: Gable

Instead of a dedicated remote control that you may find with other fans, this model uses a smartphone app to adjust its functions and programming. With this app, you can monitor both the current humidity level and temperature of your attic at any time, as well as set and change seasonal presets. 

Detailed instructions walk you through every step of pairing your phone with the fan, a valuable feature for those who need a bit more help in the tech department. We also appreciate the fire safety shut-off mechanism of this fan, which automatically turns off the unit if it detects attic temperatures above 182 degrees Fahrenheit.

  • No wiring required
  • Automatically adjusts its speed based on attic temperature

  • No physical remote
Best for Smaller Areas
AC Infinity

Key Specs:

  • Power type: AC Plug
  • Mounting Location: Gable

Although it’s appropriate for use in an attic, this fan is also versatile enough to be used in other areas as well, such as a workshop, shed, or garage. Its 10-inch blade size might be smaller than most other fans on this list, but it still offers an impressive amount of features, most notably the intuitive Smart controller that allows you to adjust the speed, alarms, and timers during operation. 

It’s also nice and durable, thanks to its galvanized steel shutters, aluminum impeller, and an IP44 rating, ensuring that it can stand up to water spray from any direction.

  • 8-foot power cord
  • 58 dBA noise level

  • Not powerful enough for larger areas
Easiest Set-Up

Key Specs:

  • Power Type: AC Plug 
  • Mounting Location: Gable

The budget-friendly price, combined with the high quality of QuietCool products, make this attic fan a great choice. Thanks to an adjustable thermostat that comes pre-wired to the fan itself, this model is especially simple to use, and requires minimal user effort once you’ve got it in place. 

Plus, with no wiring to fuss with, all you have to do is plug the power cord into a standard electrical outlet and you’re all set. The practical installation is also fairly simple, and the fan’s built-in mounting tabs cut down on extra steps in the process.

  • Two fan speeds
  • Fire safety shutoff

  • Lacks a remote control
Most Versatile
12-Inch Shutter Exhaust Fan

Key Specs:

  • Power Type: Electric Hardwire
  • Mounting Location: Gable or Window

This is another great option for those that want the benefits of an attic-style fan, but in a different area of the house. 

Unlike most attic fans that either need to be installed into the roof itself, or fitted into a gable opening, this model can also fit into most standard window frames, allowing you to use it in the garage, kitchen, or anywhere else that could use some cooling. 

The corrosion-resistant aluminum shutters won’t rust over time, and they snap closed when not in use to keep any insects or other debris from entering your home.

  • Low price
  • Brushless motor

  • Electrical wiring is required
Easiest Installation
CX1500 Gable Mount Power Attic Ventilator
Cool Attic

Key Specs:

  • Power Type: Electric Hardwire
  • Mounting Location: Gable

This fan comes totally pre-assembled, and if you already have a gable cutout from a previous attic fan, it could be a great choice for users who want to keep installation hassles to a minimum. At just 11.13 pounds, it’s also light enough for one person to maneuver in place if you end up mounting it yourself. 

A 14-inch blade and 1,300 CFM output allow this unit to be used in attics up 1,850 square feet. It only has one speed, though, so keep that in mind if you’re looking for a fan with a bit more functionality.

  • Low price
  • Durable steel construction

  • Power cord is sold separately
  • Only one fan speed
Most Durable Solar Option
40-Watt Solar Attic Fan with Thermostat/Humidistat
Remington Solar

Key Specs:

  • Power Type: Solar
  • Mounting Location: Roof

If your priority is a high-quality, efficient fan, and you don’t have a problem paying top dollar for it, this Remington model could definitely be worth the high price tag. Plus, its plug-and-play design means you won’t have to pay an electrician to handle any wiring, which can help lower the overall price, as well. 

The built-in humidistat and thermostat allow this unit to automatically adjust airflow to suit your home’s specific needs, and thanks to the included hybrid adapter, will run at night, as well. Plus, the brushless motor and hail-resistant cover make this an especially durable option. 

  • 15-year fan warranty
  • Quiet operation

  • Expensive
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