This gazebo heater is constructed from metal which makes it sturdy & durable. This electric heater comes equipped with a remote control. It features an anti-tilt switch for added safety. Instead of using a propane or oil-fired patio heater to warm up your patio, This heater uses regular household electricity & is less expensive to operate than a propane patio heater. The heater generates 1500W of heat. It can be used indoors as well as outdoors. This electric patio heater from Hiland requires some assembly before it can be used & is ETL certified.