just assemble the wheeled stand and fill with diesel, plug in and set the thermostat to desired temperature. Peace Of Mind Offering great value for money, these powerful diesel air heaters are built to last and come with a 2 year warranty* for your peace of mind. What is BTU? BTU, or, British Thermal Unit is a measure of energy - an alternative measurement to joules. The very basic way to think of a BTU is that 1 BTU is the equivalent of burning a normal-sized wooden match all the way from one end to the other. The exact measurement of a British Thermal Unit is the amount of heat that it takes to heat one pound (approx one pint) of water by one degree and is measured at the amount of energy to make the 1lb of water heat from 39 degrees Fahrenheit up to 40. (It can take slightly more or less energy to heat water by one-degree Fahrenheit depending upon the starting temperature). At A Glance: 125.000 BTU/hr (37kW) output 900m3 approximate heating area Suitable for approx 10.5hrs of operation Easy-to-read fuel, pressure and temperature gauges Runs on diesel (red or white) or kerosene fuel Perfect choice for industrial environments, including agriculture and automotive UK-based after sales and parts 2 year limited warranty* Key Features 125.000 BTU / 37kW space heater: Ideal for heating medium-sized garages, factories and workshops Distributes heat quickly and evenly: Has an approx heating area of 900m3 Low fuel consumption: Cost-effective heating solution for large areas Simple to use: Easily adjust the desired temperature using the thermostat Large fuel tank: One full tank gives approximately 10.5 hours of heat Peace of mind: 2 year Hyundai warranty