The Autojack EFH2KW electric fan heater is easy to use and runs of a standard 13 amp supply. The heater has 3 different heat output settings which are 25 watt, 1000 watt and 2000 watt. On the maximum setting the heat output is 6,820 BTUs per hour. When on the lowest setting of 25 watts it can be used as a conventional fan. Weighing only 1.7kg this heater is both lightweight and portable making it ideal for both home and office use.