The DryAir 1200 CHU is a compact, propane or natural gas central heating unit delivering 1,233,000 BTU/h. It efficiently heats areas up to 40,000 ft², thaws 21,750 ft² of ground, and cures concrete slabs up to 48,000 ft². Featuring a 2-stage output, low-pressure fluid circulation, and quick-connect hose couplers, it ensures safe operation without special boiler certification. Optional lift frame available.