Suburban SF-42VHQ (2592A)
For big fifth wheels and motorhomes that need a single large furnace.
Amazon $1,138.76$1,138.76
3.4/5
A low-priced 35,000 BTU furnace with variable output for a cold-weather trailer.
- 35,000 BTUInput
- 320 CFMAirflow
Check price at Amazon$699.99
Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 4 adjustable power levels down to 17,000 BTU
- $20 per 1,000 BTU
Cons
- No published amp draw or warranty
- The 40 dB sleep-mode figure is a maker claim
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 | 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 (this one) | 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 | RF035A0N |
|---|---|
| Heat and power | |
| Input capacity | 35,000 BTU |
| Airflow | 320 CFM |
| Fit | |
| Height | 7.9 in |
Alternatives in this size
Suburban SF-42VHFQ
For a 40,000 BTU furnace in an RV with no exterior door and a long duct run.
Amazon $1,185.98$1,185.98
$699.99
Compare
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