Award Winning Heaters that are CARB approved!
20.2820.69.0285.0Z Airtronic D2 truck kit (12V) with mini-controller
20.2820.69.0281.0Z Airtronic D2 truck kit (12V) with thermostat

252822190520 Hydronic 5 coolant heater w/o a 7-day timer
25.2822.19.0555.0Z Boxed unit without timer
20.2812.15.2056.0Z Airtronic D2 truck kit (12V) with mini-controller & Hydronic D5 SC truck kit (12V) with 7 day timer
 20.2812.15.2057.0Z Airtronic D2 truck kit (12V) with mini-controller & Hydronic D5 SC truck kit (12V) – BOXED - with 7 day timer
Espar Air Heaters

How the Airtronic Heater works:

  • Automatic safety check.
  • The burner motor starts, the combustion space in pre-ventilated, the glow plug is warmed up, the metering pump conveys fuel.
  • The glow plug ignites the fuel-air mixture, the flame is formed.
  • The hot combustion gases flow through the heat exchanger.
  • The hot air fan draws in room air or fresh air.
  • The heat of the combustion gases is transferred by the heat exchanger to this hot air.


 

See video on how it works

How the Hydronic coolant heater works: 

  • Automatic safety check.
  • The glow plug is warmed up.
  • The metering pump conveys fuel.
  • The burner motor starts smoothly.
  • The fan delivers combustion air.
  • Fuel-air mixture ignites (flame formation).
  • The hot combustion gases flow through the heat exchanger that delivers the heat to the coolant system of the vehicle's engine.
  • The heater is controlled electronically and works - according to heat requirement - in several power stages

 

       Air Heater Features
 
  • Dependable and compact
  • Reduces maintenance costs
  • Provides heat independently of engine
  • 4 settings for desired temperature