I’ve got an old garage door which I happen to like very much. Unfortunately, by the time I bought it, technology was far from being what it is today, therefore it sucks when it comes to the R-value. The garage gets very cold and because it communicates with the rest of the house, I need to use an additional heater in order to compensate for thermal exchanges. I heard from one of my friends that I can buy a garage door insulation kit and save a lot of money. I’m afraid he’s totally wrong about that and that I’d buy that useless kit, then spend a whole afternoon to install it, only to come to the conclusion that I need a new door or another kind of insulation, more efficient.

Has any of you used such insulation kits? If so, are you happy with them so far? I really want to keep my old door which is so beautiful, but our comfort (and the electricity bills) come first.