When heating large areas, the SR-30 quickly fills a room with 30,000 BTU of warmth at the touch of a button.The SR-30 has manual controls for settings of 6,000, 18,000 or 30,000 BTU Empire Vent - Free Heaters are virtually 100% fuel efficient No heat is lost since the SR-30 does not require outside venting Empire Vent - Free units do not require electricity to operate Total comfort for half the cost of electric heat Safe operation with auto shut - off safety controls Manual temperature controls Mounts on floor or wall Proudly Made In USADepth: 6.5 Height: 22 Power Source: Gas Type: Wall Mounted Panel Width: 24.13