Integrated heat exchanger

Maximum flexibility between comfort and ease of installation

The HTX integrated heat exchanger series offers high-performance heating solutions ranging from 3.3 kW to 6.6 kW, versatile installation options and durable components, ensuring a comfortable and reliable experience in any vehicle.

Benefits of the HTX heat exchanger series

The HTX heat exchanger series delivers powerful heating (3.3 kW to 6.6 kW), flexible installation and robust components for a reliable and comfortable in-vehicle experience.

Flexible installation

Thanks to the modular concept and to the wide range of accessories, the HTX series provides different combinations of installation and versatile integration solutions catering to a wide range of vehicle designs and customer requirements.

Robust components

The HTX series is constructed with high-quality, automotive-grade components, ensuring durability and reliability across recreational, special vehicles and marine applications.

Powerful heating

Ranging from 3.3 kW to 6.6 kW, the HTX series delivers powerful heating solutions, ensuring a warm and comfortable environment in any vehicle.


Enjoy consistent and powerful performance with the HTX series, designed to operate efficiently without the need for regular maintenance.

Efficient air distribution

Highly efficient fans and blowers in the HTX series ensure powerful and constant airflow, providing optimal air distribution within any vehicle.

Quiet operation

The HTX series is engineered to offer the most versatile combinations of power and noise, delivering high-performance heating with minimal disturbance.

Product details

Product specification

The HTX series encompasses a variety of models, available in 12 V and 24 V, offering heating solutions from 3.3 kW to 6.6 kW. Each model is crafted for easy integration and optimal performance in recreational and special vehicles as well as marine applications.

Model overview

Select from the HTX S, HTX S HD, HTX M and HTX M HD models, available in both 12 V and 24 V, to find the ideal heating solution for your specific vehicle type and needs.

What is included

Each HTX heat exchanger is accompanied by a comprehensive accessory and installation kit, including control units, air vents, and ducts, ensuring a smooth integration and optimal functionality in any vehicle.


Model overviewThermo Top Eveo 4Thermo Top Evo 5Thermo Top Evo 5+*
ECE approval number ECE R12
E1 00 0258E1 00 0258E1 00 0258

ECE approval number ECE R10

E1 04 5627E1 04 5627E1 04 5627
Heating capacity, part load/ full load (kW)
Fuel consumption, part load / full load (l/h) +/- 10%0.31/0.490.39/0.560.31/0.620.39/0.700.31/0.620.39/0.70
Nominal voltage121212
Rated power consumion without coolant pump, part load/ful l load (W) without vehicle’s fan, +/- 10%12/2115/2112/3315/3312/3315/33
DIN EN 590,Paraffinic fuel
(HVO / GTL)DIN EN 15940
E0-E10 EN 228,
E85 DIN 51625
DIN EN 590,Paraffinic fuel
(HVO / GTL)DIN EN 15940
E0-E10 EN 228,
E85 DIN 51625
DIN EN 590,Paraffinic fuel
(HVO / GTL)DIN EN 15940
E0-E10 EN 228,
E85 DIN 51625
Operating temperature range (°C)-40 to +60
Dimensions L x W x H (mm)218 x 91 x 147218 x 91 x 147218 x 91 x 147
Weight (kg)
Coolant pump U4847 Econ-
Volume flow against 0.14 bar (l/h)500
Dimensions L x W x H (mm)109x49x79
Weight (kg)0.3

* More details can be found here

Integrated heat exchanger HTX - Datasheet

Download the integrated heat exchanger HTX datasheet.

399 KB

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