Free Heat! Lower your high heating and fuel costs by burning your used engine oil in a Lanair Waste Oil Fired Heater. All automotive truck and equipment repair garages have an untapped source of free fuel - the used oil they generate. Burning used oil in a Lanair heater is EPA Approved, will lower your heating bills, reduce your used oil disposal costs and eliminate your liability. Lanair heaters are available with a 95 gallon used oil storage tank and chimney packages.