Webasto Air Top Evo 55
#23 in SplitFull review
For 24V trucks, buses and larger motorhomes that need a type-approved 5 kW heater with automatic altitude adjustment. It costs far more than clone heaters of the same size.
Amazon $1,697.89$1,697.89
The Webasto Air Top Evo 55 rates 2.9 among split diesel heaters; the LF Bros N3 5kW Diesel Heater rates 2.8 among all in one ones. The LF Bros N3 5kW Diesel Heater costs $1,197.90 less ($499.99 vs $1,697.89).
LF Bros N3 5kW Diesel Heater
#21 in All in oneFull review
A portable heater with a thermostat and altitude compensation for high mountain camping and cabins, at a high price for what LF Bros publishes about it.
Amazon $499.99$499.99
Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (split and all in one), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Webasto Air Top Evo 55 | LF Bros N3 5kW Diesel Heater |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 25% | 21 $309 per kW ($1,697.89, 5.5 kW) | 50 no credible heat rating (neutral score used) |
| Type approval 20% | 100 type approved (ECE R122) | 0 no type approval published |
| Controls and safety 15% | 65 holds a set temperature, automatic altitude; no CO sensor | 82 holds a set temperature, automatic altitude, timer |
| Power draw 15% | 0 up to 130 W running | 50 power draw not published (neutral score used) |
| Warranty 15% | 0 warranty not published, scored as none | 0 1-year warranty |
| Low setting 10% | 42 down to 1.5 kW | 50 lowest setting not published (neutral score used) |
Specifications
| Webasto Air Top Evo 55 | LF Bros N3 5kW Diesel Heater | |
|---|---|---|
| Heating | ||
| Heat output (maker) | 5.5 kW | 5 kW |
| Lowest output | 1.5 kW | - |
| Fuel burn | 0.18 to 0.67 L/h | - |
| Build | Split (installed) | All in one |
| Power | ||
| Supply | 24V | 12V/110V |
| Running draw | 15 to 130 W | - |
| Controls and safety | ||
| Thermostat | Yes | Yes |
| Automatic altitude | Yes, to 7,220 ft | Yes, to 17,160 ft |
| Timer | - | Yes |
| CO shutoff | No | - |
| Type approval | ECE R122 | None published |
| Build | ||
| Dimensions | 16.7 x 5.8 x 6.4 in | 16.1 x 15.7 x 14.6 in |
| Weight | 13 lb | 25.4 lb |
| Warranty | - | 1 year |
| Released | 2014-10 | - |