Written by GreenLife Energy Experts, LLC

How To Keep A Garage Cool In Arizona, Florida & Texas

Searching for “how to keep a garage cool in Arizona, Florida or Texas” or how to keep a garage cool in Summer? If so, GreenLife Energy Experts can help!

We are full service energy contractors with decades of combined energy saving experience and know all about cooling down homes and garages in the Phoenix, Arizona valley, Miami Dade County, Fort Lauderdale & Broward County, Florida. We not only offer informational content to help you find ways to cool your hot rooms but, we also offer energy services to help you get it done!

So with that being said, lets get into it and show you how to cool down your garage in the Summer. The best 3 ways to keep you garage cool in Arizona, Florida & Texas are:

A lot of people use their garage as a workspace all year long. Some use it for working on cars or home improvement projects, while some may use it for gardening tasks or other miscellaneous reasons. In either case, if you are someone who uses your garage for more than just parking your car, this article should help you learn how to cool down your hot garage. Read more about cooling garages in Arizona & Florida below.

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Garage Insulation Is A Must For Keeping A Garage Cool In Arizona, Florida & Texas

Garage insulation is important to keep out the heat. Arizona, Florida & Texas summers get up to 120 degrees Fahrenheit and working in a garage with no AC can send temperatures rising even higher. Garage insulation is a must if you want to at least stop most of the heat from making its way in. Our TCM insulation is perfect garage attics and garage doors. TCM is best insulation for hot climates like Arizona, Florida & Texas.

However, insulating your garage will do a great job at keep out most of the heat, but you are going to need a way to cool down the space as well. That’s where garage air conditioning comes into play. Before we get into that though, lets talk a little more about insulating your garage door.

TCM Works For Your Home’s Attic Too! | Save 50% On Electricity

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TCM radiant barrier was actually invented to keep homes cool. It has the capability of saving you 50% on electricity guaranteed! The great thing about our new radiant barrier technology is that it will never stop working like current radiant barrier technology does. TCM solves all the current problems with radiant barrier technology.

Installing radiant barrier in your home’s attic is a great way to lower the costs of cooling and heating bills during the summer time in Arizona, Florida & Texas. Plus our TCM insulation will make all the rooms in your home the same temperature, make your A/C unit run more efficiently and keep your home warm during the winter time too. 

We can perform a free home energy audit while we are installing your garage door insulation, garage insulation and garage mini split. 

Garage Door Insulation

Garage Door Insulation Phoenix - GreenLife Energy Experts LLCYour garage door is where most of the heat escapes due to no insulation in the door. Insulating your garage door is an important step if you want to keep all of that cool air in. If you do not insulate your garage well, the air will escape, take longer to cool down the space and cost you additional money in cooling bills. The utility bill for your home is already high enough, why not save a little money and still keep your entire home cool?

Not only does TCM work for your garage attic and garage door but it also works for your home. Installing TCM in your attic is guaranteed to save you at least 20-50%. Furthermore, if you choose to go with other energy products, you could save up to 100% electricity. Yes, We said 100% Guaranteed!!!

Can’t I Just Install Garage Insulation or Garage Door Insulation Myself?

Yes you can absolutely install your garage insulation yourself. Although, will you be sure that you are doing it correctly? Do you know where to look for the places the air seeps in the most? Do you also have the capabilities of installing the next part of the job that actually cools down the space (mini split system)? If the answer is no to any of those questions, you should hire a professional insulation or radiant barrier contractor such as ourselves that has decades of experience with installing insulation in garages.

Garage Air Conditioning Cools The Space Down

You need garage air conditioning to cool your garage cool in Arizona, Florida & Texas. Most garages in the Phoenix Valley weren’t built to have an air conditioning unit or a ventilation system. That’s where the energy experts come into play. We have the capability of installing mini split systems, also know as ductless ac units, in your garage that only need a single port of ventilation, can cool down the space quicker than any portable air conditioning unit could and with a cleaner installation.

Garage Mini Split Systems

Garage Mini Splits Phoenix - GreenLife Energy Experts LLC 2Installing a mini split system for your garage will help you get the temperature down in the space and your garage insulation will keep the cool air in longer.

These mini split systems are great for small spaces like garages and can cool down an average size garage in about 15 minutes. Not even a swamp cooler or portable ac unit can cool a room down that fast.

This is the fastest way to cool down a garage in Florida, Texas & Arizona. Fans just blow the heat around. You need something more powerful during the summer to cool down the space. Install TCM garage insulation first, then a mini split to keep the space cool. The mini split won’t even have to run very long because TCM will hold the temperature of the room like a thermos. 

Can’t I Just DIY Install A Mini Split System In My Garage?

Yes, with the right tools you can install a mini split system yourself. Although, we strongly urge you not to try to do so. This job involves cutting, electrical work and more. This is dangerous for the average homeowner and is not an easy task to perform DIY. We suggest hiring a professional ductless ac installer such as ourselves to install your mini split system for your garage.

Other Ways To Keep A Garage Cool During Arizona, Florida & Texas Summers

Here are a few other ways to keep a garage cool but as we mentioned in the article above, the only way to keep your garage cool efficiently is to install insulation and a garage ac unit.

  • TCM Radiant Barrier (*Recommended)
  • Install German Attic Fan (*Recommended)
  • Install Ductless AC Unit (*Recommended)
  • Install a ceiling fan
  • Buy a swamp cooler
  • Buy electric floor fans
  • Open the overhead door about a foot from the floor
  • Install an adjustable rollaway awning
  • Install an attic vent
  • Install an attic fan
  • Install weatherstripping on the bottom of the garage door
  • Insulate the garage door
  • Paint & caulk the garage door

Hire A Professional Energy Expert To Keep Your Garage Cool


We have created the ultimate garage cooling package for Phoenix Valley, Miami Dade County, Broward County and San Antonio residents that allow you to keep your garage cool all summer! Give us a call or fill out our contact form to receive a free energy audit which will determine the best solution for solving your garage cooling problem. *APS & SRP customers click the link to learn how to reduce electric bill in Phoenix.

We offer free energy audits to the entire Phoenix Metropolitan Area including: Phoenix, Mesa, Tempe, Gilbert, Chandler, Surprise, Peoria, Glendale, Scottsdale and more. Also serving San Antonio, Texas.

Broward County Florida including: Fort Lauderdale, Pembroke Pines, Hollywood, Miramar, Coral Springs, Pompano Beach, Plantation and Sunrise, Florida.

Miami Dade County Florida including: Miami, Hialeah City, Miami Beach, Homestead, North Miami, Coral Gables, Doral City, North Miami Beach and Cutler Bay, Florida.

Give us a call if you do not see your city listed. Also, see our latest post about how to keep a garage cool with no windows.

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