Ensure that your family and friends stay warm and comfortable in your outdoor space with the Cambridge 7 ft. Steel Umbrella Propane Gas Patio Heater - Hammered Bronze. This durable umbrella propane patio heater is constructed from sturdy steel and is designed to last for years. Offering 41,000 BTUs of heat within a 16.4 ft. radius, it will keep your patio or deck sitting at a pleasant temperature. This 7-ft. heater features a variable control valve, making adjusting the temperature for changing seasons effortless. Enjoy those chilly fall nights with the aid of the Cambridge 7 ft. Steel Umbrella Propane Gas Patio Heater. This piece is finished in a warm bronze.