How to Properly Ventilate Your Garage and Keep It Cool

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Garages frequently go uncared for. People often disregard them as mere storage spaces and inferior living quarters.

By nature, garages tend to accumulate fumes from car exhaust and chemicals from paint and insecticides. If your garage is poorly ventilated, especially during the summer’s heat, these poisonous odors may stay there.

You can improve the ventilation in your detached garage in several ways to make it a safer area to work or store things.

Image: Urban Front

How to Keep Your Garage Cool


Depending on the size of your garage, you might install a specific type of exhaust fan to assist in removing fume-filled air from the space. Small spaces can benefit from bathroom-style exhaust fans, which are especially useful if you have a washing machine that adds moisture to the atmosphere. 

The power of attic fans is greater. They are mounted in the garage ceiling to force air up from the garage and out a vent in the roof. A kitchen range hood is an additional unconventional choice. Install it on a wall adjacent to where you typically operate in your garage, being sure to pick one that vents outside. Range hoods effectively remove contaminated air, although they are a little noisy.


As they can be huge and effectively remove heat and stale air from your garage, ceiling ventilation fans are perfect for large garages. However, ceiling fan ventilation may be expensive depending on the size, brand, and type of your ventilation fan.

With an input right at the fan, ceiling ventilation can be installed straight onto the roof of your garage. However, if your garage has a ceiling below the top, an air intake that vents air out through the roof can be installed in the ceiling.

Although ceiling ventilation fans are an efficient way to meet your ventilation needs, tiny garages may not benefit from their excessive airflow. A garage with excessive ventilation may experience negative pressure and higher utility costs. 

For large garages, we recommend a Reznor lineup. Each  Reznor unit has a beautiful exterior and flawless fit and finish, which can improve the appearance of any area. Additionally, Reznor provides the best warranty in the sector. Check out more about them here to ventilate your garage.

Image: Urban Front


Garage door vents are another standard option for your ventilation needs in the garage. Improve the ventilation in your garage with garage door vents. You won’t need to drill through any walls or make significant adjustments to your garage because they are easy to install.

The only difference between garage door vents and those in your home’s walls is that garage door vents are built directly into the garage door. Vents for your garage door are often put along the vents’ top, bottom, or side. Usually, garage door vents are modest and don’t need to be installed with massive drills or holes.

Garage door vents are an efficient and cost-effective solution for smaller garages but are not a practical option for large garages. The homeowner can install garage door vents with the proper equipment and experience.


Windows aid in bringing in the fresh air, which draws out chemicals and smells from your garage. The best ventilation is achieved by placing two windows side by side on opposing walls. To move dangerous gases out of one window and pull in fresh air from the other, open both windows so that an air current runs from one side of the garage to the other. 

Image: Smart Store

Due to the fact that one or two walls of an attached garage are connected to the home, where windows cannot be installed, this solution is less effective. Remember that windows opening at night may invite burglars to check out your valuable vehicle or gear.

Purchase a cheap window fan to help push air out of the garage if you already have one installed and want to save money by putting a second window in. Even a floor fan in the form of a box that you place on a table in front of an open window might be used for this. The fan can draw air from any small source, even gaps surrounding a closed garage door. This works best when a garage door opens, allowing the fan to suck in more fresh air while forcing contaminated air out the window.


Finding a reliable local handy man in London is fairly easy. However, there are also a number of fantastic DIY alternatives available if you want to enhance the ventilation in your garage without employing a handyman. You have a few options depending on your knowledge and experience.

  • Leaving windows and doors open.
  •  using floor fans and wall vents
  • Parking your car outside temporarily 


Before purchasing a garage exhaust fan, get it inspected. When suitable, buy a garage exhaust fan from a trusted vendor. Look for an energy-efficient, quiet model that won’t bother your neighbors while saving you money. 

An overheated garage and the attic area above it may result from inadequate ventilation. These areas may become hot for a long time with insufficient airflow. If you use gas-fired appliances, think about spending money on high-quality ventilation for your garage. Safety should always be prioritized. 

After properly ventilating your garage, you can take on a new home project to modernize and visually improve your house. From wall painting and window treatments to tiling and furniture, etc., to help yourself get started, check out our 6 DIY IDEAS FOR YOUR NEXT HOME, IMPROVEMENT PROJECT.

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Jen Stanbrook
Jen Stanbrook

Jen is an award winning digital publisher and has been creating interiors and home decor content for over 10 years.
She has an insatiable love of home interiors, has worked with hundreds of brands, and currently supports many bloggers within the creative industries to share their expertise through writing.
She spends most of her time in her little garden office pod, has 2 daughters and 2 (fighting) cats.

Find me on: Web | Twitter | Instagram

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