Hiland Tall Cast Aluminum Patio Heater, Bronze CSA Approved Decorative Commercial Grade Hammered Bronze Cast Aluminum Patio Heater - Matching table Anti-tilt Safety Devices. Heat Output: 41,000 BTU's Allowing you and your family to relax comfortably without having to crowd next to the heater Large variable-heat control knob allows for low or high heat settings. The stylish finish perfectly accents and enhances your patio decor All AZ Patio Heaters products include a one year warranty against manufacturer defects. We are one of the only suppliers in the US to maintain a complete line of replacements parts and a full service repair center