Garages often become stifling during summer months, but with a few strategic adjustments, they can be transformed into comfortable, usable spaces.
1. Promote Airflow
Stagnant air is a major contributor to overheated garages. To combat this, using a fan or portable air conditioner can make a noticeable difference. These solutions are both affordable and effective at refreshing the space.
2. Add Insulation to Garage Doors
Garages are frequently under-insulated, leading to intense heat buildup. Adding insulation helps retain cool air—especially when an A/C unit is installed. A dehumidifier may provide additional comfort, though it’s important to avoid excessive moisture that can lead to mold. Focusing on insulating a sun-exposed wall with rigid foam board or fiberglass batting often delivers major temperature improvements without the need to insulate every surface.
3. Seal Drafts
Windows and doors are common sources of unwanted heat infiltration. Sealing cracks and gaps with caulk prevents warm air from entering and keeps conditioned air inside—especially when using a portable air conditioning unit.
4. Insulate the Garage Door
Garages often become hot due to uninsulated metal doors radiating heat into the interior. Installing insulated foam panels on the door significantly reduces heat transfer, helping maintain cooler indoor temperatures during summer and warmer conditions in winter.
5. Maximize Ventilation
Opening any windows, side doors, or the main garage door during cooler morning and evening hours helps air circulate and prevents heat buildup. Proper ventilation is a simple yet highly effective way to maintain a more comfortable environment.
Creating a Cooler Garage: Final Tips
By combining improved airflow, selective insulation, effective sealing, and strategic ventilation, it’s possible to transform a sweltering garage into a much more livable space. These measures are cost-effective and easy to implement, breathing new life into the area just in time for summer.
Resources – https://www.southernliving.com/how-to-keep-garage-cool-in-the-summer-11742133