Lava Heat Italia - AMAZON-129 - 2G Patio Heater - Heritage Bronze - Propane Configuration Power Source: Standard Propane (LP) Power Rating: 66,000 BTU Coverage Area: Approximately 36 sq. ft. Consumption Rate: Up to 14 hours with Propane Tank (LP) Construction: Solid Steel, Aluminum, & 304 Grade Stainless Steel Safety Features: Tilt Switch Auto-Shutoff