As temperatures drop, one of the most common questions is how to make your garage warmer. Whether you use your garage as a workshop, gym, storage area, or just an everyday entry, keeping it warm isn’t just about comfort—it protects your home, your belongings, and your energy bills.
If you’re looking for a practical and effective upgrade that actually makes a difference, here’s what you need to know.
Why Garages Lose Heat so Easily
Garages are one of the least-insulated areas of most homes. Even new builds often have:
- Thin, non-insulated garage doors that transfer cold directly indoors
- Gaps around the frame and bottom seal that pull frigid air in
- Uninsulated walls or ceilings—especially if the garage is detached
- Air leaks around windows, doors, and damaged seals
All of these issues lead to rapid heat loss. That means higher home heating bills, uncomfortable temperatures, and potential damage to stored items like paints, tools, and seasonal gear. For homeowners who have a living space above or beside their garage, poor insulation can also make those rooms noticeably colder, as well.
Practical Solutions to Make Your Garage Warmer
Add Insulation to Garage
A first step is to consider insulating your garage. To take your heat to the next level, add insulation to:
- Walls
- Ceiling, especially if there is a room above
- Side entry doors
- Any exposed seams or attic hatches
Benefits include:
- Warmer winter temperatures
- Quieter garage environment
- Reduced strain on heaters and HVAC systems
Upgrade to an Insulated Garage Door
The garage door is the largest opening in your home, making it the biggest opportunity for heat loss. While insulating your garage walls is a great idea, if your garage door isn’t insulated, you’re missing a full quarter of surface area. Upgrading to an insulated garage door is one of the most effective ways to keep your garage warmer.
Understanding R-Value
R-value measures insulation effectiveness. The higher the R-value, the better the temperature control, noise reduction, and energy efficiency. Whether you’re looking for residential comfort or commercial-grade insulation, upgrading to a high-R-value door is a smart, long-term investment.
At Overhead Door Company™, we offer high-quality insulated doors and professional installation, ensuring your garage is warmer and more energy-efficient for the long haul.
Seal Air Leaks & Replace Old Weatherstripping
Even the best insulated door won’t keep the cold out if it sneaks in around the edges. To keep your garage warmer, check these common leak points:
- Perimeter of the garage door
- Worn-out bottom seal
- Cracked or loose threshold seals
New weatherstripping prevents drafts, keeps warm air in, and protects your garage against moisture and pests. Our team provides comprehensive repair and replacement services to ensure your door closes securely and efficiently.
Check & Upgrade Your Opener
Modern openers do more than just lift the garage door. They can actually improve climate control. Here’s how:
- They ensure the door closes fully and seals correctly, notifying you of any issues
- Reduce unnecessary openings with smart scheduling and notifications
- Enable remote monitoring, so you’re never left wondering if your garage is open in freezing temperatures
If you’re still operating an old, noisy, or inconsistent opener, it might be time to upgrade to Overhead Door Company’s OHD Anywhere® system. Contact us for more information.
Professional Repairs to Stop Cold Air
Small mechanical issues can become big problems and sources of cold air through the winter months, such as:
- Misaligned or bent tracks
- Warped or damaged panels
- Loose or worn hinges
- Broken or flattened bottom seals
- Doors that don’t close tightly
These issues reduce your garage’s ability to stay warm and secure. Our technicians can diagnose and repair them quickly and efficiently, helping your garage door operate safely and reliably throughout the winter.
Consider Additional Heating Options
If you spend a lot of time in your garage, you may want to consider supplemental heating solutions, such as:
- Electric garage heaters
- Gas heaters (proper ventilation required)
- Infrared heaters
- Radiant floor heating
But remember: heating is only effective if your garage is properly sealed and insulated. Without these upgrades, heat will escape as quickly as you can make it.
When is it Time to Replace Your Garage Door?
Your garage door may be due for a replacement if it’s:
- Over 15–20 years old
- Single-layer/non-insulated
- Warped or damaged
- Drafty even after repairs
- Increasing your energy costs
A new insulated model offers immediate improvements in warmth, noise reduction, durability, and long-term savings.
Ready to Make Your Garage Warmer? Call the Pros
At Overhead Door Company of Calgary™, Lethbridge™, and Cranbrook™, we help homeowners throughout the region get their property winter-ready with:
- Insulated garage door installations
- Professional repairs and maintenance
- Weatherstripping and sealing services
- Opener upgrades and smart controls
If you’re wondering how to make your garage warmer this winter, our team is here to help. We’ll assess your door, identify areas of heat loss, and recommend the best solutions for your home.
For more information and to book a consultation, contact Overhead Door Company of Calgary™, Lethbridge™, and Cranbrook™.
