Need clean-burning heat outdoors? Get it fast with the portable, prolific warmth of concentrated forced air. Heat up to a 1,250-sq.-ft. area for 14 hours with a standard 20-lb. propane canister and an external source of electricity. Adjust output between 30,000 and 55,000 BTUs per hour. Continuous ignition and a high-powered electric fan produce instant results. Includes propane hose and regulator. Automatic shut-off. High-temperature limiting switch. CSA certified. Perfect for loading docks, work sites, barns and emergencies.