Tips To Keep Your Garage Cool in The Summer

Tips To Keep Your Garage Cool in The Summer 2023

Do you dread entering your garage during the summer months? Does it feel like an oven in there? You’re not alone. Many homeowners struggle with keeping their garages cool during the hot summer months. Fortunately, there are several strategies you can implement to keep your garage comfortable, even when temperatures outside soar.

Tips to keep your Garage Cool in the Summer

  1. Insulate Your Garage Door

One of the most effective ways to keep your garage cool is by insulating your garage door. Insulation will help prevent heat from penetrating your garage, keeping it cooler. There are several insulation options to choose from, including fiberglass batts, foam board insulation, and reflective insulation.

  1. Add Weather-stripping to Your Garage Door

Weatherstripping helps seal the gaps between your garage door and the garage frame, preventing hot air from seeping in. It’s a simple and affordable solution that can make a significant difference in how cool your garage stays.

  1. Install a Garage Ventilation System

Installing a garage ventilation system can help keep the air in your garage moving, which helps prevent heat buildup. Ventilation systems can also help reduce moisture levels, which can be particularly helpful if you use your garage as a workspace or storage area.

  1. Use a Portable Air Conditioner

If you spend a lot of time in your garage or have equipment or items that are sensitive to heat, a portable air conditioner can be a great option. Portable air conditioners are easy to install and can quickly cool down your garage.

  1. Use Reflective Paint or Coating

Applying reflective paint or coating to your garage door and walls can help reflect sunlight and heat, keeping your garage cooler. This is an affordable and straightforward solution that can help you save money on energy costs.

  1. Keep Your Garage Door Closed

It may seem obvious, but keeping your garage door closed during the hottest part of the day can help keep your garage cooler. When your garage door is open, hot air can easily flow in, quickly heating up the space.

  1. Use Fans

Using fans in your garage can help keep the air moving, preventing heat buildup. Ceiling fans, floor fans, and wall-mounted fans are all great options for keeping your garage cool.

  1. Shade Your Garage

If your garage is located in an area that receives a lot of direct sunlight, shading your garage can help keep it cool. You can use shade cloth, awnings, or even trees to block the sun’s rays and prevent your garage from heating up.

  1. Use Heat-Reducing Window Film

If your garage has windows, using heat-reducing window film can help keep the interior of your garage cooler. Window film blocks UV rays and reduces the amount of heat that can enter your garage through the windows.

  1. Keep Your Garage Organized

Believe it or not, keeping your garage organized can help keep it cooler. When your garage is cluttered, it can be challenging for air to circulate, which can lead to heat buildup. By keeping your garage organized and tidy, you can help promote airflow and keep your garage cool.

In conclusion, keeping your garage cool during the summer doesn’t have to be a challenge. By following the tips outlined above, you can keep your garage comfortable and enjoyable, even on the hottest days.


Is it necessary to insulate a garage door?

Insulating your garage door can help prevent heat from penetrating your garage, making it cooler and more comfortable. However, insulation is not always necessary. If you don’t spend a lot of time in your garage or use it for storage, you may be able to get by without insulation.

Can I install a ventilation system myself?

Yes, you can install a garage ventilation system yourself if you have some experience with DIY projects. There are several types of ventilation systems to choose from, including exhaust fans, intake fans, and whole-house fans. Before installing a ventilation system, make sure to research the different types and choose the one that best suits your needs.

How much does it cost to install a portable air conditioner in a garage?

The cost of installing a portable air conditioner in your garage will depend on several factors, including the size of your garage, the type of air conditioner you choose, and the complexity of the installation. On average, you can expect to pay between $300 and $700 for a portable air conditioner and installation.

Can reflective paint or coating be applied to garage walls?

Yes, reflective paint or coating can be applied to garage walls to help reflect sunlight and heat, keeping your garage cooler. However, make sure to choose a high-quality paint or coating that is specifically designed for use on exterior surfaces.

Can I use a swamp cooler to cool my garage?

Yes, a swamp cooler can be a great option for cooling your garage, particularly if you live in a dry climate. Swamp coolers work by blowing air through a wet pad, which cools the air as it passes through. However, swamp coolers are not effective in humid climates, and they can be challenging to maintain.