Small electric heater for heating small spaces up to approx 15m protects equipment at risk of frost such as mains water distribution pipes toilets plumbing installations small greenhouses caravans site caravans cellars birdhouses electric and electronic installations a smoothly adjustable thermostat independently switches the heater on and off in addition a safety thermostat is fitted that switches the heater off when it is inadvertently covered the heater has a chromiu