Model: HELIOS Made in China -- High output indirect fired heater -- Heating Capacity upto 160,000 Kilo Calories -- With diesel burner or natural gas burner -- with separate exhaust and chimney -- Stainless steel combustion and heat exchanger -- Set to connect with air duct -- Very durable and reliable see also www.chinaheatersonline.com For knowiedge about how much one liter of diesel produce heat visit the following site www.ehow.com/how_6195532_calculate-calorific-value-diesel-fuel.html