How To Cool a Garage – 8 Most Effective Ways

Garage is my most favorite part of the house. You store your vehicles and almost everything that you want to keep in a safe place. It can also be your workstation or even a hangout spot! This is literally a wholesome place. However, during summer, it can heat up and get uncomfortable, which is not very cool. But lucky for you, we have found the most foolproof way how to cool a garage. Follow these steps and I promise you will thank me later. Also, these are some of the Cheapest ways to cool a garage. 

1. Keep the window and doors open

The goal is to keep the temperature as cool as possible and block away all the possibilities of rising temperatures. So, if your garage has access to sunlight, then consider keeping the door closed. That way, you won’t have direct sunlight inside the room and the possibility of the garage getting hotter is low. 

On the other hand, if your garage is in the shade and you can sense a cool breeze getting inside, then keep the door and window open. The cool breeze will help to keep the garage cool. 

This method is absolutely free, yet highly effective.

Keep the doors open and see the results!

Keep the doors open and see the results!

2. Cool The Vehicles 

After driving the car for certain hours, certain parts of the car get hot and cars also absorb heat, especially black cars. So, once you have parked the car, the heat gets spread into the air and when you store the car inside the garage under such circumstances; the heat is increased inside the garage. 

So, the wise decision is to give a few hours to the car to reduce the heat. And once it is back to normal temperature, park it inside the garage. By doing this, you can actually keep the garage cool. 

3. Paint Garage With Light Color

Painting a garage with darker colors may seem cool to the eyes and aesthetically pleasing. And they do, however dark colors absorb heat and make the place hotter faster. So, dark colors can be a reason behind the rising heat in your garage. The solution to this problem is lighter colors. Lighter colors, especially white, can help you decrease the temperature and help the garage cool down. 

Black paint absorbs way more heat than white paint 

Black paint absorbs way more heat than white paint 

4. Install Garage Air Conditioner

A garage air conditioner is the best way to cool a garage. This is obviously going to cost you more money than the other options, but it is more sustainable in the long run. So this is definitely an investment, and it is a good one. There are a few varieties of air conditioners used for the garage and the best type is the mini split one most of those air conditioners work as air conditioners, heaters, and humidifiers too. So, this is hands down the best option. 

Senville LETO Series Mini Split Air Conditioner
Senville LETO Series Mini Split Air Conditioner

Senville LETO Series Mini Split Air Conditioner is an excellent choice for garages 

5. Garage Ventilation 

Garage ventilation is a great way to keep the garage from getting too hot and it also helps to remove any toxic fumes. So, you can install a garage ventilation system on your garage roof or wall. This is a bit pricey but very efficient. Or if you have vents on the roof, then keep them open. This way all the hot air and toxic fumes will be out and during the night the cool breeze will have access to the garage and you will see a massive difference in the temperature. 

6. Heat Blocking Curtains 

Heat-blocking curtains are more like a temporary option, but they can help to a certain extent. For instance, if you have direct sunlight coming into the garage, which makes the place hot, then blocking the heat can be a wonderful method to cool a garage. Also, heat-blocking curtains come in a lot of designs so they can enhance the beauty of your garage. If you invest in a good quality heat-blocking curtain, then it will be a worthy purchase. 

7. Clutter Free Garage 

It is no secret that a garage is basically a storage room, and it is a great place to store a lot of your belongings. However, when you put bulky items on the floor or on the shelves, it interrupts the airflow of the garage, and the hot air kind of gets stuck, which is one of the reasons behind a hot garage. So, to keep the car cool you need to organize the kitchen properly so there is no barrier interrupting the airflow. 

An organized garage is the way

An organized garage is the way

8. Ceiling Fan 

If you don’t want to install an air conditioner, then you can invest in a good quality ceiling fan. 

A ceiling can circulate the air around the garage, and it can eventually cool down the garage. Also, you can find industrial-quality fans depending on the size of your garage. Those are highly efficient and more permanent methods of cooling a garage. 


What is the cheapest way to cool a garage?

The cheapest way to cool a garage is to ensure proper air circulation in the garage. So, vent the garage properly and make sure there is no air interruption and you should be good. 

Can I use a portable air conditioner to cool a garage?

Yes, you can use a portable air conditioner for the garage. Even though portable air conditioners are not as efficient as mini split air conditioners, if the AC’s BTU is compatible with the space, then it is a great option. 

What is the best garage air conditioner?

The best garage air conditioner is the Senville LETO Series Mini Split Air Conditioner. It is sturdy, easy to use, has a great coverage area, and is energy efficient too. 


Garage getting hot during summer is a common yet concerning problem. Since a lot of people need to work in the garage, an air conditioner seems like the best option. However, if you don’t want an air conditioner yet, you can check the other solutions.

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