<p>The 30,000 BTU Propane Overhead Infrared Garage Heater with High Intensity Infrared Burner Technology is the most efficient way to heat a small space like a garage and workshop. You start feeling the warmth the instant you turn the heater on and remain warm while you work, and the rest of your shop comes up to temperature. No more waiting for the whole space to heat up with this natural gas heater.</p>