Fuel operated heaters for Mercedes-Benz Sprinter, RAM ProMaster, and Ford Transit
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Compartment and Main Work Area Heating Solutions
Interior Heating for Mobile Lubrication Vehicles

Air Top 2000 ST Air Heater

Cab heating, fuel savings and emissions reduction

The Air Top 2000 ST is the most popular choice in idle reduction technology. Millions are being used in various applications around the world.

Perfect for cab heating, the Air Top 2000 ST gets the job done with 7,000 BTU/h (2 kW) of heat output.

This compact unit is low on maintenance, service-friendly and the most efficient air heater on the market.

The Air Top 2000 ST can pay for itself within months.

Air Top 2000 ST Air Heater

Air Top 2000 ST Specs

Air Top 2000 ST Specifications


  • Provides rapid cab heat without idling
  • Uses as little as 1 Gallon (3.8 l) of fuel in a 22 hour period
  • CARB approved and EPA SmartWay verified
  • Fast Return on Investment
  • Quiet operation ensures a restful night’s sleep
  • Full diagnostics with PC interface available
  • High heat output in a compact design
  • Proven quality & reliable performance
  • Tested & Verified
  • 7,000 BTU/h output (2 kW)

Standard Kit Components

  • Integrated Control Unit
  • On/Off Switch with Variable Temperature Control
  • Fuel Metering Pump w/Mounting Bracket
  • Fuel Line and Fuel Filter
  • Universal Fuel Standpipe
  • Heater Mounting Bracket w/Gasket
  • Wiring Harness w/Fuse Holder
  • Exhaust Tubing
  • Combustion Air Tubing and Heater Ducting
  • Air Inlet/Outlet Vent
  • 2 Year/2000 Hour Limited Warranty

Air Top Evo 40/55

Evolution with more power and versatility

The new Air Top Evo model offers greater comfort, safety and heating capacity for large commercial vehicles.

Air heating ensures quick and efficient heating of cabins and cargo spaces. Energy consumption and noise are significantly reduced by the new control system.

An automatic altitude compensation system is included as standard. Quick and easy installation makes the Air Top Evo an economical retrofit solution.

If required, two units can be combined in a modular fashion to allow for heating larger cargo spaces.

Air Top Evo 55

Air Top Evo 40 Specs

Air Top Evo 55 Specifications

Air Top Evo 55 Specs

Air Top Evo 55 Specifications


  • Low energy consumption and exceptionally quiet operation
  • High heat output in a compact design
  • Proven quality and reliable performance
  • Automatic altitude compensation as standard
  • Continuous heating capacity

Standard Kit Components

  • Heater, Fuel Pump, Screen*, and Base Seal
  • Heater Wire Harness
  • Fuel Pump Harness
  • Fuel Line and Standpipe
  • Exhaust Tubing with Flexible Stainless Steel Exhaust pipe
  • Combustion Air Tubing
  • Flexible Ducting, Air Outlets
  • 2 Year/2000 Hour Limited Warranty

*Included in Cargo Kits only

Optional Controls

Standard rheostat controller

Standard Rheostat Controller

  • Controls Basic Functions
Multi-Functional Control

Multi-Functional Control

  • Boost Mode
  • Vent-Only Mode
  • Eco Mode
SmarTemp Control 2.0

SmarTemp Control 2.0

  • Programmable heater start time
  • Ergonomic design
  • Large backlit LCD screen
  • Ambient temperature display

Webasto AT40 EVO 12-Volt D – diesel fuel-operated heater – Mercedes-Benz Sprinter


Contact Details

Service and Dealer Network

Contact Details

Service and Dealer Network

Dealer inquiries welcome

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