Blue Comfort

Revolutionize your boating experience with Webasto’s BlueComfort Premium

Designed for maritime aficionados, BlueComfort Premium from Webasto is a unique solution, fusing a yacht air-conditioner and a diesel-fired boat heater. The product’s main focus is to provide all-season comfort, making it suitable for leisure boating, professional seafaring or any maritime activity that requires consistent temperature regulation. 

Illustration of V50M installed in boat

Benefits of BlueComfort Premium

BlueComfort Premium from Webasto is the epitome of innovation and convenience, offering high heating capacity and effective cooling, all within one system. The adaptable design fits any boat size, offering versatility without compromising on performance. Even in colder weather conditions, the system ensures optimal heating performance.

Temperature versatility

With the ability to switch between heating and cooling effortlessly, BlueComfort Premium ensures optimal temperature regulation in various climates.

Flexible design

The modular design of BlueComfort Premium caters to any boat size, offering a tailored solution for each unique space.

Efficient in low temperatures

BlueComfort Premium excels in lower sea temperatures, ensuring you never compromise on comfort during colder voyages.

Energy conservation

By integrating both heating and cooling into one system, BlueComfort Premium offers a cost-effective and energy-saving solution.

Product details

Product specification

BlueComfort Premium delivers a robust cooling capacity up to 572,000 BTU/h and a heating capacity up to 37 kW. The system integrates seamlessly with both water heater and AC electronics, providing a unified solution for all your temperature needs.

Model overview

With BlueComfort Premium, we offer two integration options: Basic and DeLuxe. Basic integration focuses on integrating a water heater into the system, while DeLuxe allows for the inclusion of a water boiler and additional fan blowers. Both options aim to provide comprehensive solutions that cater to your specific needs.

What is included?

With your BlueComfort Premium system, you get an integrated air-conditioning and diesel-fired water heater unit, an installation kit containing all necessary parts for assembly, and comprehensive user manuals to guide you through setup and use.


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

Marine - Catalog

Download the marine catalog to explore all Webasto marine products in detail.

19 MB

Find your dealer

Find your nearest Webasto dealer quickly and easily or arrange your consultation appointment directly.

Find your Heating Solutions Dealer

More Solutions

  • Rooftop air-conditioning

    Explore the benefits of the rooftop air conditioning systems from Webasto. Efficient cooling, easy installation, and low maintenance.
    Bus driving on road with rooftop air-conditioning
  • Parking cooler

    Explore Webasto parking coolers, offering efficient cooling, fuel savings, and enhanced driver comfort for truck cabins.
    Trucks parking in a rest area
  • Integrated air-conditioning

    Explore integrated air conditioning systems from Webasto, offering efficient, versatile, and reliable cooling solutions for a variety of vehicles and marine vessels.
    Person getting into minivan with integrated air-conditioning
  • Transport refrigeration

    Man on market in front of van with flowers
  • Filtration systems

    Webasto offers air filtration solutions for medical facilities, ambulances, and buses, complemented by a specialized monitoring system, the CAT 4 Pressurization System, for vehicles in hazardous situations.
  • Marine air-conditioning

    Discover marine cooling solutions from Webasto: optimal performance for motorboats, yachts, and large vessels.
    Four people on a sailing boat on the ocean
  • RV fridges & freezers

    Explore the Isotherm range of compressor refrigeration products from Webasto, offering powerful cooling, quick cool-down, energy efficiency, and space-saving design for RVs, boats, and yachts.
  • Control devices

    Cooling control elements dashboard
  • Product finder