AZ Patio Heaters Natural Gas Patio Heater in Stainless Silver Hiland 87-Inch tall natural gas patio heater Stainless Steel finish Gas type: Natural gas Heat output: 41,000 BTU's 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