If your home is feeling cramped and claustrophobic, then making better use of what you already have can help ease those space pressures. That's where these garage conversion ideas come in. After all, ...

An average one-car garage usually covers around 240 square feet. The number goes up to 360 square feet if you can comfortably park two cars, with a three-car parking taking up about 704 square feet.

We asked HVAC pros to share all the top reasons why your garage may be cold and how to fix it with easy solutions.