A Prem-I-Air Elite 3 kW over door heater with 2 heat settings (1500/3000W) and fan only setting. The EH1688 includes a remote controller which is ideal for installation in shop doorways, bars and business reception areas; in fact anywhere you want to limit heat loss or manage temperature fluctuations where an exterior door is frequently in use. The ceramic PTC element is self-regulating and varies its wattage to maintain a preset temperature. This means that it only draws the required current to maintain the temperature.   PTC Heating for high thermal efficiency Fitted with Thermal Overload Protection  Heat or Fan only settings for year round use Remote control and timer for total convenience