Webasto Air Top Evo 40
#16 in SplitFull review
For 24V trucks and buses that need a type-approved 4 kW heater with automatic altitude adjustment. The high price buys Webasto build quality and approval, not more heat.
Amazon $1,945.95$1,945.95
3.0/5
A very cheap complete split kit with thermostat mode and a remote, for DIY installs in RVs, garages and trucks. Specs and support are thin.
- 8 kWHeat output
- None publishedType approval
Check price at Amazon$76.99
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Automatic mode holds the cabin temperature
- Comes with a 10 L tank, muffler and remote
- Among the cheapest complete 8 kW kits
Cons
- No published fuel burn, so the 8 kW rating can’t be checked
- No published power draw or warranty
- No type approval for vehicle installs
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Heating | |
|---|---|
| Heat output (maker) | 8 kW |
| Fuel tank | 10 L |
| Build | Split (installed) |
| Power | |
| Supply | 12V |
| Controls and safety | |
| Thermostat | Yes |
| Remote | Yes |
| Type approval | None published |
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