KingRVer HF35-E 35,000 BTU
The cheapest 35,000 BTU furnace per BTU for a 28 to 38 ft trailer, on trust in a new brand.
Amazon $699.99$699.99
35,000 BTU260 CFM
2.2/5
For a long trailer or motorhome that needs 35,000 BTU and smoother starts on a weak battery or generator.
- 35,000 BTUInput
- 11.1 A12 V draw
- DuctedDischarge
Check price at Amazon$1,400.74
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Soft start cuts in-rush current by up to 80%, so fewer breaker trips at startup
- Hall effect sensor in place of a sail switch, with no moving parts to wear
Cons
- Access door and thermostat cost extra
- About $40 per 1,000 BTU
How it scores
The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | 9610007792 |
|---|---|
| Heat and power | |
| Input capacity | 35,000 BTU |
| 12 V amp draw | 11.1 A |
| Discharge | Ducted |
| Fit | |
| Height | 7 in |
| Weight | 33.5 lb |
Alternatives in this size
Suburban SF-35VHFQ (2587A)
For a 35,000 BTU swap where the RV has no exterior furnace door.
Amazon $1,230.97$1,230.97
35,000 BTU8.5 A
Dometic DFLD40121
For a large motorhome or fifth wheel with a doorless Dometic furnace to replace.
Amazon $1,153.56$1,153.56
40,000 BTU
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