Air heater Air 4D
dieselfor boatsfor yachts

air heater
air heater
air heater
air heater
air heater
air heater
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air, diesel
Application domain
for boats, for yachts
Heat output

Min.: 1 kW

Max.: 4 kW

Power consumption

Min.: 10 W

Max.: 57 W


402 mm
(16 in)


157 mm
(6 in)


188 mm
(7 in)

Net weight

6 kg
(13 lb)


AUTOTERM Air 4D is one of the most popular diesel-powered air heaters from Air series. The heater’s maximum power output is 4 kW, and it is capable of heating up 168 m3 space hourly, and maintaining your desired temperature. AIR 4D (PLANAR 44D) is highly versatile when it comes to installation and can be easily retrofitted in almost any land vehicle, marine transport vehicle and is supplied with a full installation kit, whether you choose the 12V or the 24V DC version. AIR 4D (PLANAR 44D) with its economic fuel consumption of 0.51 l/h on maximum power is a highly rated product. All AIR (PLANAR) series heaters are equipped with brushless induction motors that ensure low noise levels as well as a long lifetime more than 6000 working hours for the device and the capability to operate in extreme environments and temperatures as low as -45°C/-49°F. Heaters are equipped with a self-diagnostic system and a functional diagnostic system for service needs. AIR (PLANAR) air heaters can be controlled with various control panels or remotely via your iOS or Android smartphone (remote control modem sold separately). This is a great product for those who need to additionally heat large truck cabins, commercial vehicle cargo compartments, campers, motorhomes or boats/yachts of up to 48 ft/15 m. AIR 4D (PLANAR 44D) air heaters are available with a standard installation kit or with three different marine installation kits.



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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.