Every house have heaters either electric, wood stove and propane heaters. I was looking it online what is the heat efficiency for this heaters and it seemed that having a propane heaters installed at your home give us a maximum efficiency of heat that we needed for us to keep us warm. It is also clean and quiet. This is a great option if we wanted to save a little bit of money for our power bill and this is also good to use when the power is out because it use gas. Whether you agree me or not. I know this is convenient and heat the room fast. Actually, we purchase propane heaters but not on this website that I found.