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Air and Liquid Heaters

Independent gasoline and diesel powered heaters for RV, marine, heavy trucking, and agricultural applications.

AUTOTERM North America is the North American sales service and distribution company for Autoterm heating and hot water systems. The company, established in 2012, has built it’s reputation in the heating industry by providing quality products and exceptional customer service for over a decade. With more than 1700 companies choosing to partner with AUTOTERM, it is a testament to the company’s trustworthiness and it’s reliable heating solutions. 

AUTOTERM has recently established itself as an independent manufacturer and opened a manufacturing plant in Riga, Latvia (EU) for the globally known Air and Flow series heater production. In addition, AUTOTERM also offers a comprehensive stock of spare parts & accessories to repair or upgrade it’s heating systems, ensuring that you can rely on AUTOTERM to keep your heating systems running efficiently over the years.

The manufacturing plant, which opened in Q3 of 2022, has already received the international ISO 9001:2015 / ISO 14001:2015 certificates, thereby proving AUTOTERM’S commitment to quality control and environmental management. AUTOTERM products have also received the R10 and R122 certificates, demonstrating the delivery of safe and reliable heating solutions.

AUTOTERM heaters are tested in the harshest environments in temperatures as low as -50F. Both the air and fluid heater ranges are built to be long lasting and reliable while offered at affordable prices.

Liquid Heaters

Liquid heaters are specifically designed to pre-heat your vehicle’s engines and compartments, thus eliminating cold start of the engine and supplying comfortable warm air to passenger compartments in cold conditions. They can also be used to heat central heating systems with radiators and boilers.

Efficiently preheats vehicle engines and compartments.

Operates in temperatures as low as -47°F.

Extends engine lifetime.

Autoterm FLOW 5D/B
Designed for RVs and boats with water heating systems up to 4.5 gallons, and to pre-heat light vehicle engines.
AUTOTERM Flow 5D/5B is a highly versatile liquid heater, also known as a water heater, that operates independently from the engine. It is offered for two types of fuel systems: Gasoline – 12V / Diesel – 12V or 24V. This compact heater has delivers a 17,000 BTU output and is designed to preheat a vehicle’s engine and compartment. This eliminates a cold start for engines and extends its lifetime, while working in unison with the car salon fan to supply comfortable warm air to the passenger compartment throughout the cold season. As the heater is linked to a vehicle’s coolant system, there is no need for additional air ducting to provide warm air to the passenger’s compartment. In extremely cold environments, the AUTOTERM Flow 5D/5B pre-heater also works as an auxiliary heater, helping the engine to reach and automatically maintain its optimal working temperature where necessary when driving.
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Autoterm FLOW 14D
Designed for RVs and boats with water heating systems up to 8 gallons, and for trucks and buses operating in harsh environments.
The AUTOTERM Flow 14D liquid heater, also known as a water heater, operates independently from the engine. The heater is powered by diesel fuel and is available in 12V and 24V DC versions. This medium-sized heater, with a 49,500 BTU heat output, works in unison with the car salon fan to pre-heat large vehicle engines and compartments, thus eliminating cold starts and supplying comfortable warm air to the passen- ger compartment in the cold season. In extremely cold environments, the AUTOTERM Flow 14D pre-heater also works as an auxiliary heater by helping the engine to reach its optimal working temperature where necessary when driving. AUTOTERM Flow 14D comes with a complete installation kit and is often used as a heater for small radiator systems or boilers with a maximum capacity of 18.5 gallons. This product is suitable to additionally heat truck engines, motorhomes or yachts with liquid heating systems.
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Air Heaters

Air heaters are excellent products for spaces which need to be heated quickly, or where there is no built in central heating system. For example: campers, boats, Etc.

Efficiently preheats vehicle engines and compartments.

Maintains comfortable temperatures even when the engine is off.

Features low noise levels.

Operates in temperatures as low as -47°F.

Autoterm AIR 2D
For Class B and C motorhomes and trailers, boats of up to 33 ft, and small truck cabins.
The AUTOTERM Air 2D is the most compact diesel-powered air heater from the Air series. It uses fresh air from outside or from a well-ventilated room, then heats it up quickly to provide comfort and warmth in low-temperature environments. The heater’s maximum power output is 6800 BTUs, and it is capable of heating up a 3000 ft3 space hourly, and maintaining the desired room temperature. Already reasonably priced, the AUTOTERM Air 2D maintains its low cost further due to its excellent fuel economy (even at maximum power), consuming only 0.06 gallons of diesel fuel per hour.
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Autoterm AIR 4D/B
For Class A Motorhomes and Trailers of 20+ ft, boats of up to 48 ft , commercial vehicle cabins and cargo compartments.
The AUTOTERM Air 4D is one of the most popular diesel-powered air heaters from Air series with highly versatile installation. The heater unit draws fresh air from the outside or from a well-ventilated room, then heats it up quickly, thus providing comfort and warmth in low temperature environments. The heater’s maximum power output is 13,600 BTUs, and it is capable of heating up a 5900 ft3 space hourly, and maintains your desired temperature. AUTOTERM Air 4D is a highly rated product for its reasonable price and economic fuel consumption of 0.13 gal/hour on maximum power.
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Autoterm AIR 8D
For large vehicles and commercial spaces like cargo holds, shipping containers, or open mobile workspaces.
AUTOTERM Air 8D is an independent, diesel-powered air heater that works as an additional heating system in large vehicles and commercial spaces, such as cargo holds, shipping containers, or open mobile workspaces. The heater unit draws well-ventilated air from a room or cargo compartment where it is installed and delivers heated air to the same space, thus providing comfort and warmth in low-temperature environments. It is capable of heating a 11,800 ft3 space hourly, and maintains your desired temperature with a maximum heating power of 20,000 BTUs for 12V models and 25,500 BTUs for 24V models. As the AUTOTERM Air 8D is installed without any air ducting system (due to its 160mm hot air outlet and its 100mm air inlet), it is meant to only heat the space where it is installed. A large 160mm wide-spread hot air outlet is used to distribute heated air evenly as fast as possible.
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Autoterm AIR 9D
For large spaces such as buses, large motorhomes, commercial vehicle cargo compartments, speciality vehicles, or boats/yachts up to 65 feet.
AUTOTERM Air 9D is the most powerful diesel-powered air heater from Air series. The heater’s maximum power is 27,000 BTUs, and it is capable of heating up a 14,500 ft3 space and maintains your desired temperature. The heater unit uses fresh air from outside or air from a well-ventilated room, and heats it up quickly, providing comfort and warmth in low-temperature environments. It’s durability and long lifetime is ensured by the steel casing and general sturdiness of the product, and a high-strength steel, double-circuit heat exchanger. The AUTOTERM Air 9D air heater can be easily installed or 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. This high-power-capacity heater stays economic regardless of whether it is running on the lowest or the highest power mode; fuel consumption ranges only from 0.11– 0.26 g/h.
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