Espar Heater Authorized Dealer

Sales, diagnostics, and support for Espar air heaters, including Airtronic models, backed by a Thermo King team that understands cold-weather uptime.

Espar Air Heaters for Truck, Trailer, and Fleet Comfort

Espar air heaters (including the Airtronic family) are designed to deliver efficient, reliable heat without running the engine, helping reduce idle time while keeping drivers comfortable and protecting equipment in cold conditions.

  • Efficient cab and sleeper heating for cold-weather operation
  • Supports reduced idling strategies for fleets and owner operators
  • Great fit for vocational, long haul, and temperature sensitive operations
Keyword focus: Espar heater Keyword focus: Airtronic heater Authorized dealer support

Airtronic 3 Product Family

The Airtronic 3 generation includes multiple performance classes built for different heating needs and applications. For the manufacturer overview of performance classes and application areas, see: Eberspächer Airtronic 3 press release .

If you already selected a specific heater, you can go straight to our product page and pricing here: Thermo King Heater D2 Airtronic 419374 .

Pricing and Parts Store Navigation

For a fast path to pricing and availability, use the product link above. For broader heating and cooling options, use our internal category page: Cooling & Heating .

For general parts browsing, start here: Thermo King Part Store .

Espar Heater Videos

These videos give practical context around installation, operation, and real world usage. Each one is paired with a quick summary so the page stays keyword rich and user friendly.

Learn the basics of Espar heater operation and what to look for during normal start up and heat delivery. Helpful for drivers and fleet managers who want a clearer understanding of Airtronic heater performance and common behavior.

See additional tips that help improve reliability and reduce downtime, including practical guidance that supports long term Espar heater usability. Great for anyone comparing Airtronic models or planning a heater install.

FAQ

What is an Espar Airtronic heater used for?

Airtronic heaters are commonly used to heat cabs and sleepers efficiently without relying on engine idle. They are popular for cold weather comfort, reduced idling strategies, and consistent heating performance.

Where can I see pricing for an Espar heater?

Use our pricing page here: Thermo King Heater D2 Airtronic 419374 .

Do you have a category page for heating and cooling parts?

Yes. Browse related parts and options here: Cooling & Heating .

Where can I learn about the Airtronic 3 performance classes?

For the manufacturer overview of performance classes and application areas, use: Eberspächer Airtronic 3 press release .

12 Locations Across These States

We support Espar heater customers across ID, MT, OR, TX, UT, WA. Use the location links below to find your nearest branch. Each location page follows the pattern /city-thermo-king.

Prefer browsing parts first? Start here: Thermo King Part Store .

Tip: On mobile, swipe the jump menu left and right to reach every section quickly.

Airtronic 3 product family: performance classes and application areas

Quick comparison of the Airtronic 3 lineup by fuel type, voltage options, heat output, and common use cases. For official product details from the manufacturer, see Eberspächer Airtronic 3 overview .

Category Airtronic S3
Commercial
Airtronic M3
Commercial
Airtronic M3
Recreational
Airtronic L3
Commercial
Airtronic XL3
Commercial
Fuel type Gasoline / Diesel Gasoline Diesel Gasoline Diesel Diesel Diesel
Voltage (V) 12 12 12 / 24 12 12 / 24 12 / 24 24
Heating performance (kW) 1 – 2 1.3 – 4 1.05 – 4 1.3 – 4 1.05 – 4 1.5 – 6 2 – 7.6
Examples for application areas
S3 (Commercial)
  • Recreational vehicles
  • Boats
  • Driver’s cabin of trucks
  • Off-highway vehicles
M3 (Commercial)
  • Ambulances
  • Recreational vehicles
  • Driver’s cabin of trucks
  • Transporters
M3 (Commercial)
  • Ambulances
  • Recreational vehicles
  • Driver’s cabin of trucks
  • Transporters
M3 (Recreational)
  • Higher air-flow needs (RV/boats)
  • Driver’s cabin comfort
M3 (Recreational)
  • Higher air-flow needs (RV/boats)
  • Driver’s cabin comfort
L3 (Commercial)
  • Transporters
  • Ambulance
  • Mini/Midi buses
  • Recreational vehicles
XL3 (Commercial)
  • Big boats (e.g., sightseeing boats)
  • Cargo applications

Note: This comparison is a simplified, reworded overview for shopping and education. Confirm exact specs by model and application before purchase or installation.