Efficient Diesel Air Heater for Vans, RVs & Trucks
Stay warm fast with reliable, low-draw cabin heat wherever you park. Delivering 6,800 BTU (2 kW) from a compact unit and simple rheostat control, this 12V Webasto diesel air heater is built for quiet comfort and easy upkeep.
Benefits & Use Cases
Designed for conversion vans, RVs, trucks and specialty vehicles, the Air Top 2000 STC keeps you comfortable while reducing idling and fuel costs. Its steady airflow and efficient burner make cold starts and overnight stays easier—at work sites, trailheads, or on long-haul routes.
- Fast, focused heat without running the engine
- Low electrical draw for extended off-grid time
- Quiet operation for restful sleep
- Fits under passenger seat perfectly
- Supports no-idle compliance and fuel savings
Technical Specifications
- Fuel: Diesel
- Voltage: 12V
- Heat output: 6,800 BTU (2 kW)
- Fuel consumption: 0.03–0.06 gal/h (0.12–0.24 L/h)
- Power draw: 13–30 W
- Max operating altitude: 5,000 ft (1,500 m)
- Heater body dimensions: 12.2 × 4.7 × 4.6 in (310 × 120 × 118 mm)
- Part numbers: 5013913 / 5013913A
- Certifications: ECE-R10 (EMC), ECE-R122 (heater)
- Warranty: 2 years
Vehicle Compatibility
- Conversion Van
- Light Medium Duty
- Motorized RV
- Coach / Transit Bus
- Commercial Truck
- Cargo
- Off-Highway
- Municipality
- Ground Support Equipment
- Emergency & Specialty Vehicle
Kit Includes
- Air Top 2000 STC Heater Unit 12v (Diesel)
- Rheostat Manual Controller
- Fuel pump DP42 with fuel pump harness
- Electrical harnesses (4.3m / 14ft)
- Stainless steel flexible exhaust pipe (1 m / 3.28ft)
- Combustion Intake pipe (0.5 m / 1.64 ft )
- 60 mm Air outlet, inlet and outlet grills
- Fuel line (5.5m / 18ft) with fuel filter
- 60 mm hot air duct (1 m / 3.28ft)
- Fuel Standpipe
- Additional clips and screws
- Floor mounting Plate with rubber base seal
- Installation manual booklet
Manuals
Technical Specifications of the Webasto Air Top 2000 STC Diesel 12V Heater Kit with Rheostat Controller
- Weight:
- 5.7 lbs (2.6 kg)
- Part Number:
- 5012550 / 5012550A
- Max. Altitude:
- 5,000 ft (1,500 m)
- Rated power consumption:
- 13 – 30W
- Voltage:
- 12V
- Fuel:
- Diesel
- Max. Heat Output:
- 6,800 BTU (2 kW)
- Heater model:
- Air Top 2000 STC
Included in the kit:
Efficient Diesel Air Heater for Vans, RVs & Trucks
Stay warm fast with reliable, low-draw cabin heat wherever you park. Delivering 6,800 BTU (2 kW) from a compact unit and simple rheostat control, this 12V Webasto diesel air heater is built for quiet comfort and easy upkeep.
Benefits & Use Cases
Designed for conversion vans, RVs, trucks and specialty vehicles, the Air Top 2000 STC keeps you comfortable while reducing idling and fuel costs. Its steady airflow and efficient burner make cold starts and overnight stays easier—at work sites, trailheads, or on long-haul routes.
- Fast, focused heat without running the engine
- Low electrical draw for extended off-grid time
- Quiet operation for restful sleep
- Fits under passenger seat perfectly
- Supports no-idle compliance and fuel savings
Technical Specifications
- Fuel: Diesel
- Voltage: 12V
- Heat output: 6,800 BTU (2 kW)
- Fuel consumption: 0.03–0.06 gal/h (0.12–0.24 L/h)
- Power draw: 13–30 W
- Max operating altitude: 5,000 ft (1,500 m)
- Heater body dimensions: 12.2 × 4.7 × 4.6 in (310 × 120 × 118 mm)
- Part numbers: 5013913 / 5013913A
- Certifications: ECE-R10 (EMC), ECE-R122 (heater)
- Warranty: 2 years
Vehicle Compatibility
- Conversion Van
- Light Medium Duty
- Motorized RV
- Coach / Transit Bus
- Commercial Truck
- Cargo
- Off-Highway
- Municipality
- Ground Support Equipment
- Emergency & Specialty Vehicle
Kit Includes
- Air Top 2000 STC Heater Unit 12v (Diesel)
- Rheostat Manual Controller
- Fuel pump DP42 with fuel pump harness
- Electrical harnesses (4.3m / 14ft)
- Stainless steel flexible exhaust pipe (1 m / 3.28ft)
- Combustion Intake pipe (0.5 m / 1.64 ft )
- 60 mm Air outlet, inlet and outlet grills
- Fuel line (5.5m / 18ft) with fuel filter
- 60 mm hot air duct (1 m / 3.28ft)
- Fuel Standpipe
- Additional clips and screws
- Floor mounting Plate with rubber base seal
- Installation manual booklet
Manuals
Choosing Guide
Option Choosing Guide for this product is coming soon, please contact support@heatso.com if you need help picking the right options or have any questions.
Shipping
- United States - 1-5 Working Days
- United Kingdom - 2-5 Working Days
- European Union - 2-7 Working Days
- Australia / New Zealand - 5-14 Working Days
- Rest of World - 5-14 Working Days
There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.
View full shipping & Delivery information
Returns
You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.
Warranty Information
Most heaters come with 2 year warranty + optional 1 year extended Warranty available
- Parts - 1 Year Warranty
- Refrigerators - 2 Year Warranty
- AC Systems - 1 Year Warranty
- Heavy duty heating equipment (10 kW+) - 1 Year Warranty
- Other items - 1 Year Warranty
Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.
We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.
If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.
Customer reviews
Write a Review
Webasto Air Top 2000 STC Diesel 12V Heater Kit with Rheostat Controller
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wow
Gosh, I can't believe how cheap it is - best deal ever. Works like a charm. What I call value!!!
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Heater
Wish I had bought it sooner. Great experience and product
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Webasto
The order process was very easy and the shipping was very fast this is the best heater I have ever had well worth the money over the Chinese crap
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wow
Gosh, I can't believe how cheap it is - best deal ever. Works like a charm. What I call value!!!