Garages may be useful year-round, most homeowners use theirs for a lot of purposes, including a home gym, or a workshop. Regardless of its use, garage heating in Calgary is necessary, as a built-in garage without heating and insulation will cool your house down. An electric space heater works well, however, for maximum heat output, however, you'll want to use radiant heating. You can find a suitable heater by calculating its square footage.