The Comfort Gear 30,000-BTU Double Tank-Top Propane Heater is a versatile and rugged heating solution, ideal for outdoor enthusiasts, job sites, garages, and workspaces. This convenient and easy-to-operate portable space heater with independently adjustable dual heads provides efficient radiant heat for any outdoor heating application. The heater is built for the outdoors and connects directly to any standard 20-lb. barbecue propane tank (sold separately). With 3 adjustable heat settings and a run time of up to 14 hours on high using both burners, and up to 28 hours on high using a single burner, this heater ensures extended warmth during long workdays, hunting trips, or cold nights at the campsite. With the Comfort Gear TT-30CSA Double Tank-Top Heater, enjoy the convenience of a portable, high-output heating solution wherever the outdoors takes you, whether that's around the job site, campsite, hunting blind, or on the sidelines of a chilly game.