What does BTU mean when you have 32,000 of them in a portable tank top heater? It means warmth where you need it. Because this heater is a Remington, it also means reliable and tough. Remington products are versatile and effective, and this portable propane tank top heater with no exception. It heats up to 800 square feet, has match-light ignition (no electricity required), is wind-resistant and includes a safety tip-over switch. You can take the edge off the cold in the ice house or the shop. Heat things up with Remington.