The 150,000 BTU Heatwave Waste Oil Furnace from Siebring Mfg., offers simplicity and accessibility for easy care. The unit comes fully assembled and ready to set into place. The electrical, fuel source, and chimney installation are to be arranged after delivery. The hourly fuel usage is 1.1 gallons. The blower pushes air approximately 40-50 feet and provides a temperature rise of 70°F degrees. The unit will heat 1,500-2,000 square feet at -10°F degrees and hold a 65°F degree indoor temperature.