How to Keep Garage Cool in Summer-Some Interesting Techniques

During the hot summer days, people use all sorts of ways to keep their houses cool but temperature regulation is seldom extended to the garage.

Why?

That’s what we keep asking ourselves, considering the fact that working up a sweat isn’t much fun.

There are many techniques of cooling a garage, and one or more of these techniques should work for you.

Why is my garage so hot?

Now, before we go into cooling down your garage, how about we analyze why it’s so hot in the first place?

Here are the factors contributing to high temperatures in your garage:

  • Location of the doors – if they face west, direct rays from the scorching afternoon sun might hit the garage’s interiors.
  • Color – if your garage is painted in darker colors, it only absorbs heat and grows hotter but if it’s painted in lighter colors, it’s able to reflect sun rays and cool down.
  • No ventilation system
  • Parking vehicles in the garage directly after a day in the hot sun – the heat they have absorbed radiates to the garage’s interiors.
  • No insulation systems
  • Closed windows/doors

Now you know why your garage is so hot and you must be thinking of ways of cooling it down already. Let’s see if what you’re thinking of is similar to what we’ve come up with.

How to Cool Down Your Garage – Effective Strategies You Can Implement Today

Ventilating naturally

Are there windows on the garage?

Open them wide to increase the circulation of air. Also, open all the doors wide but if the garage is attached to your house and there’s a door connecting them, leave it closed; you don’t want toxic fumes seeping into your living space.

Upgrading the insulation

Garages become extremely cold during winter and terribly hot during summer. For that reason, people ordinarily insulate their garages poorly.

In the event that there’s no drywall in place, install Batt insulation. This insulation is cheap and it installs effortlessly. After installing it, consider covering it with drywall or foam board if the building code in your area permits. On the other hand, if drywall is present, use blown-in insulation.

Apart from that, consider installing some weather stripping. Additionally, try caulking and painting the garage door and windows perhaps.

Mount a ceiling fan

If the roof is high enough (7 feet and above), don’t hesitate to install a fan on the ceiling. This is one of the most inexpensive ways of cooling a garage.

Make sure that the fan blades are between 7 and 9 ft. over the floor and between 10 and 13 inches beneath the ceiling. Feel free to install several fans based on the size of your garage.

Get some air conditioning

Don’t extend your home’s air conditioning to the garage as that might be very expensive. Rather, install a portable floor unit or a window air conditioner. You can also try installing a mini split air conditioner; this one is quite convenient as it doesn’t rely on windows.

Don’t overlook a dehumidifier; it can help a lot in reducing the relative humidity of the garage.

Other tactics that you can implement in your garage for keep cooling.

Apart from working on the interiors of your garage, consider also the exteriors. For instance, what paint shade have you applied?

Keep in mind that darker shades absorb heat, while lighter ones reflect it. Therefore, apply a lighter shade, like white, especially on the roof and the doors.

What direction do your doors face?

If they face toward the west, perhaps the afternoon sun comes shining right through the doors. In that case, try fixing a shade just outside the doors so that direct sunlight doesn’t get into the garage.

Park recently used vehicles outside

After driving through the scorching sun, don’t park your vehicle in the garage directly but rather leave it in the shade for an hour or so, then move it into the garage. That way, you will avoid transferring the heat that the vehicle has absorbed into the garage.

Don’t go in there just any time

A very easy way that you can make working in your garage bearable is being smart about when you’re in there. Afternoon hours from 1 to 4 p.m. are most definitely to be avoided. We suggest you work early in the morning up to 11 a.m. and return there after 4 p.m. That way, the blazing hot sun will not roast you. This strategy is especially useful where other strategies don’t seem to be very helpful. 

Declutter your garage

Did you know that by cleaning up your garage and organizing it properly helps cool it down?

How? 

You might ask. It works like this: If your garage is a mess, chances are, there are some stacked items blocking the window, preventing the free flow of air into and out of the garage. There might also be bulky stuffs on the floor hindering airflow, and retaining heat.

So, by decluttering the space and arranging your items properly, you improve the airflow.

Final Word

Now you know some of the factors that are causing that increased heat level in your garage and how to deal with it. Go ahead and try as many of the techniques we have talked about.

If you’re aware of other ways of cooling a garage that we haven’t mentioned here, don’t hesitate to share them with us in the comments. Feel free to share this post with your friends and family.


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