Lava Heat Italia - AMAZON-130 - 2G Patio Heater - Stainless Steel Finish - Propane Configuration Power Source: Natural Gas (NG) Upgrade Power Rating: 56,000 BTU Coverage Area: Approximately 36 sq. ft. Consumption Rate: Continuous use with Natural Gas connection Construction: Solid Steel, Aluminum, and 304 Grade Stainless Steel Safety Features: Tilt Switch Auto-Shutoff 66,000 BTU 304 stainless steel Remote control Borosilicate glass