Diesel Heaters All heater fans require 15A 110V plug with maximum 100′ of 10/3 extension cord 350K BTU Indirect Fired Heater FuelDiesel Get A Quote → 12′ Silicone Heater Duct Get A Quote → Propane & Natural Gas Heaters 1.5 Mil BTU Direct Fired Heater FuelNatural Gas/Propane Get A Quote → 1 Mil BTU Direct Fired Heater FuelNatural Gas/Propane Get A Quote → 400K BTU Direct Fired Heater FuelNatural Gas/Propane Get A Quote → 350K BTU Indirect Fired Heater FuelNatural Gas/Propane Get A Quote → 170K BTU Direct Fired LB White Heater FuelPropane/ Natural Gas Get A Quote → 80K BTU Direct Fired LB White Heater FuelPropane Get A Quote →