These radiant heaters are known to be the most reliable radiant on the market and with a 5 year warranty on the heat exchanger as well as a 3 year warranty on everything else no other manufacturer can touch them. With the most efficient aluminum parabolic reflector available, the high efficient Jet stream burner and sizes ranging from 40,000 BTU (Perfect for a double car garage) to 220,000 BTU you can be sure that we will have the right size for your application. Superior also has two stage unit available for greatly improved energy efficiency and more control. These products are made in Canada, are built for our climate and we always have stock. Installations can usually be done next day.