KingRVer HF25-E 25,000 BTU
A budget 25,000 BTU complete furnace for a 20 to 28 ft trailer.
Amazon $599.99$599.99
3.0/5
The budget 25,000 BTU pick for a smaller trailer, if you accept an unproven brand.
- 25,000 BTUInput
- 240 CFMAirflow
Check price at Amazon$699.99
Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Complete unit with thermostat, not a replacement core
- $28 per 1,000 BTU, among the lowest
Cons
- No amp draw or warranty on the listing
- Newer maker with a short track record
The Fogatti RV Furnace family
Every Fogatti RV Furnace model we rank, smallest first. Ratings compare each against its own size.
| Model | Input | Rating | Price |
|---|---|---|---|
| Fogatti RF02580N 25,000 BTU (this one) | 25,000 BTU | 3.0/5 | $699.99 |
| Fogatti RF030A0N 30,000 BTU | 30,000 BTU | 3.3/5 | $679.99 |
| Fogatti RF035A0N 35,000 BTU | 35,000 BTU | 3.4/5 | $699.99 |
| Fogatti RF035AR 35,000 BTU | 35,000 BTU | 3.4/5 | $699.99 |
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 | RF02580N |
|---|---|
| Heat and power | |
| Input capacity | 25,000 BTU |
| Airflow | 240 CFM |
| Fit | |
| Height | 8 in |
Alternatives in this size
Suburban SF-30VHFQ (2576A)
For a 30,000 BTU doorless swap in a trailer with no exterior furnace door.
Amazon $1,146.49$1,146.49
Suburban SF-30Q (2559A)
The lowest-priced new Suburban 30,000 BTU furnace on Amazon, when the original was a Q-series.
Amazon $932.57$932.57
Compare
Compare the Fogatti RF02580N 25,000 BTU with any other RV furnace →
More from Fogatti: every Fogatti product ranked.