How To Care And Prolong The Life Of A Patio Heater. Patio heater can be stainless steel or powder coated finish with either a steel plated burner or on commercial heaters a stainless steel burner.For stainless steel patio heaters use a stainless steel cleaner to remove water/rain marks and any other marks. More stubborn marks on brushed stainless steel finish can be removed by lightly using a scourer or brush making sure it's applied in the same...... Similar Editorial : The Infrared Sauna Heater by Timothy Croy. | Source : Cypress Gardens Hotels