Webasto Diesel Heaters Ranked

Last updated: October 30, 2026

4 Webasto diesel heaters ranked. Each one is scored and ranked against every brand in its type, so "#3 mid-size" means third of all mid-size diesel heaters here, not third among Webasto's own.

Webasto makes 3 current diesel heaters: 3 split. Prices run from $1,697.89 for the Webasto Air Top Evo 55 to $1,945.95 for the Webasto Air Top Evo 40. Its best-rated model: the Webasto Air Top Pro 25 (#7 of 36 split, rated 3.3).

Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Webasto diesel heaters 4

  1. Webasto Air Top 2000 STC Discontinued
    #36 split3.4Full review

    For van, truck and boat owners who want a type-approved, proven 2 kW heater with low power draw. Production has ended, so check that the seller still offers support.

    Amazon $1,295
    $1,295
    2 kW29 WYes-
  2. Webasto Air Top Pro 25
    #7 split3.3Full review

    For van and truck owners who want a new type-approved 2 kW heater with altitude adjustment and a very low idle setting, or a drop-in replacement for an Air Top 2000 STC. It costs far more than clone heaters of the same size.

    VMACS $1,875
    $1,875
    2.5 kW-Yes-
  3. Webasto Air Top Evo 55
    #13 split3.1Full 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
    5.5 kW130 WYes-
  4. Webasto Air Top Evo 40
    #16 split3.1Full 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
    4 kW55 WYes-

Every diesel heater ranked