The clarke little devil 2 is a compact propane fired space heater ideal for small workshops sheds garages and other working areas the heater is very lightweight and features a handy top mounted handle so it can be carried around easily and used wherever it39s required despite the heater39s small size and weight the little devil 2 heater produces an excellent 35 000 btu per hour 10kw heat output easily enough to warm small areas up to a comfortable temperature quickly and efficient