Coolant Heating Solutions

Pre-condition the trucks engine helping to reduce fuel costs and down time, due to engine and DPF maintenance commonly attributed to excessive idling. Webasto coolant heaters circulate the trucks coolant over a heat exchanger to warm the engine, fuel tank, hydraulic fluid and cab

Thermo E+ 320

The Webasto Thermo E+ 320 pre-conditions a machines engine by integrating into the vehicle coolant system to warm and circulate the coolant prior to initial startup. The result is reduced fuel consumption,reduced operating hours and reduced emissions.


  •  Heat output 109,000 BTU/h (32 kW)
  •  Idle-free operation reduces fuel consumption andoperating hours
  • Eliminates cold starts
  • Applications - Engine / Hydraulic / Fuel
  • New brushless motor improves running times and decreases power consumption up to 16%
  • Advanced diagnostics with PC interface available
  • Optional Arctic Fox hydraulic heating system 
  • Available in 12V and 24V

Data Sheet

Thermo Top Evo

The Thermo Top Evo utilizes proven technology to pre-condition engines, save fuel, and improve DPF performance. Featuring advancements in the fuel delivery system, controls, diagnostics and flexible installation, the Thermo Top Evo improves the user experience and continues the Webasto heritage as a leader in idle-reduction, fuel efficiency and emission control.

  • Heat output: 8,600 - 17,200 BTU/h (2.5 - 5 kW)
  • More flexible installation features
  • Uses as little as 1 Gallon (3.8 l) of fuel in a 10 hour period
  • Blink code diagnostics
  • Diesel/Gasoline

Data Sheet

Thermo Pro 90

The Webasto Thermo Pro 90 has been specially designed for use in heavy duty machinery and commercial trucks. New features such as altitude adjustment, Arctic Start and seamless heating control provide engine-off pre-heat to make these vehicles operational in extremely cold conditions.

Fuel saving and low energy consumption make a valuable contribution to both cost-savings and environmental protection.

  • Heating output: 6,100 - 26,000 BTU/h (1.8 / 7.6 kW)
  • Boost heating capacity: 31,000 BTU/h (9.1 kW)
  • Arctic Start function provides quick-heat in extreme temperatures
  • Automatic altitude adjustment
  • Low power consumption

Data Sheet

Thermo Top Pro 150

The Thermo Top Pro 150 is a new generation of coolant heaters in the high-performance category with up to 51,000 BTU/h heating power. Designed specfically for heavy-duty applications.


  • Compact, lightweight and slim design
  • ECU and all connections on one side
  • Easy access to connections for fast installation
  • Automatic altitude compensation up to 11,483 ft. (3,500 m) above sea level
  • New powerful coolant pump U4850
  • 12V / 24V

Data Sheet

NEW! SmarTemp Control 3.0

The All New SmarTemp Control 3.0 works with both air and coolant heaters to provide complete customization. 

  • NOW available with Bluetooth technology!
  • Temperature selector dial
  • Programmable run times
  • Displays set temperature and ambient temperature
  • Password protected settings
  • Adjustable low voltage disconnect
  • Maintenance reminder to start heater every 30 days
  • Ventilation mode available for air heater

Data Sheet