Espar Heaters: Updates make them even better

Airtronic S2/M2 – The new Airtronic family

The new Airtronic family is the logical further development of the successful Eberspächer air heater. With its robust components and the latest control system, the Airtronic now features both functional expansions and a longer service life.

The new Airtronic is equipped with automatic altitude adjustment as standard. A new brushless motor has extended the service life to 5,000 hours. This new motor, a modern control system and the use of the latest metering pump technology also improve the acoustics. Furthermore, the new Airtronic uses the pioneering Eberspächer CAN bus technology.


Advantages:Introducing the S2/M2 - A new brushless motor extends the service life to 5,000 hours, automatic altitude adjustment  and the latest metering pump technology also improve the acoustics.

  • Interfaces: CAN, LIN (only 12 V), S+
  • Service life 5,000 h
  • Brushless motor
  • Use of the latest EasyStart Pro and EasyStart Web control units
  • Diagnostics and parameter assignment via EasyScan
  • Starting capability down to –46 °C
  • Stepless heating performance control
  • Noise emissions optimized
  • Use of acoustically improved metering pump
  • Integrated altitude sensor:
    – Automatic altitude adjustment up to 3,000 m
    – Optimized combustion

Additional features:

  • Universal installation kit for all versions
  • Air scoops provided separately to the installation kit
  • Metering pump included in delivery with Airtronic S2/M2
  • Identical to Airtronic 1:
    – installation positions
    – repair and spare parts
    – installation space and mechanical interfaces (air, exhaust and combustion air)
  • Heating-air connection diameters:
    – 2 kW: Ø 60 mm and Ø 75 mm
    – 4 kW: Ø 75 mm and Ø 90 mm
  • ADR compatibility of the 24 V versions


Hydronic S3 Economy/Commercial – now even more versatile

The CAN/switching plus version of the Hydronic S3 Economy is the direct successor to the previous CAN/LIN version and is compatible with the Eberspächer EasyStart CAN-bus-compatible control unit family that will be available.

The new switching plus input also ensures compatibility with all other control units that output an S+ switch-on signal. The new Hydronic S3 Commercial rounds off the product family with a 24-volt version for commercial applications. It will also be available in a 5.6 kW Power version for commercial applications for the first time, making it unrivaled on the market.


Advantages:Hydronic S3 Economy/Commercial

  • Interfaces: CAN and S++
  • Economy: service life 3,000 h 
  • Commercial: service life 5,000 h
  • Compatibility with all new and many conventional control units
  • New 24-volt heater for commercial applications
  • NEW: Power version with 5.6 kW heating performance
  • Very large output range
  • Utilization of residual heat through heating circuit run-on control
  • Stepless heating performance control
  • Noise emissions optimized

Additional features:

  • Economy: gasoline (also E10) and diesel (also B30)
    Commercial: diesel (also B30)
  • Diagnostic display via EasyStart TP 7.1 control units, as well as via EasyStart CAN-based control units
  • Economy: suitable for altitudes up to 1,500 m above sea level; altitude adjustment can be activated manually above 1,500 m with EasyStart Pro
    Commercial: automatic altitude adjustment up to 3,000 m above sea level
  • Connection diameters: water 20 mm, exhaust gas 24 mm, combustion air 20 mm
  • ADR compatible with EasyStart Pro (with “Commercial” version)

Need an Espar heating solution for your Application?
Arctic Traveler Canada (ATC) is proud to be an Eberspacher Master Stocking Distributor (MSD) and offers the complete range of Airtronic and Hydronic Heaters. Whether you need one heater or a skid load, replacement parts or technical support on any Eberspacher Airtronic and Hydronic Heater, contact us.
We look forward to showing you how our 50+ years of experience can add value to your company’s bottom line!
Arctic Traveler Canada, the mobile climate control specialist – Call 1-800-295-4156 for more information or visit us here.