WNY wrote:First, do some searching and reading on here , there are many threads concerning this same question..from many of the members.
What is current rating of your boiler you are using? A lot of questions need to be answered and bit more info on your current setup and a variety of Boiler Mfr's to choose from depending on your situation, budget, etc....
which boiler to buy
Which boiler to buy?
EFM, Keystoker, or AHS
Also, check your local zoning laws concerning putting it in your garage.