KingRVer RV Furnaces Ranked

Last updated: November 3, 2026

3 KingRVer RV furnaces ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size RV furnaces here, not third among KingRVer's own.

KingRVer makes 3 current RV furnaces: 2 25,000 to 30,000 BTU and 1 35,000 BTU and up. Prices run from $599.97 for the KingRVer HF35-E 35,000 BTU to $649.99 for the KingRVer HF30-E 30,000 BTU. Its best-rated model in each size: the KingRVer HF30-E 30,000 BTU (#2 of 11 25,000 to 30,000 BTU, rated 3.3) and the KingRVer HF35-E 35,000 BTU (#2 of 8 35,000 BTU and up, rated 3.5).

Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

KingRVer RV furnaces 3

  1. KingRVer HF35-E 35,000 BTU
    #2 35,000 BTU and up3.5Full review

    The cheapest 35,000 BTU furnace per BTU for a 28 to 38 ft trailer, on trust in a new brand.

    Amazon $599.97
    $599.97
    35,000 BTU-320 CFM
  2. KingRVer HF30-E 30,000 BTU
    #2 25,000 to 30,000 BTU3.3Full review

    A budget 30,000 BTU complete furnace for a 24 to 33 ft trailer.

    Amazon $649.99
    $649.99
    30,000 BTU-260 CFM
  3. KingRVer HF25-E 25,000 BTU
    #4 25,000 to 30,000 BTU3.2Full review

    A budget 25,000 BTU complete furnace for a 20 to 28 ft trailer.

    Amazon $599.99
    $599.99
    25,000 BTU-240 CFM

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