The lowest-priced new Suburban 30,000 BTU furnace on Amazon, when the original was a Q-series.
Amazon $932.57The Suburban SF-30Q (2559A) and the Suburban SF-30FQ (2558A) are evenly matched, rated 2.9 and 2.9. The Suburban SF-30Q (2559A) costs $33.27 less ($932.57 vs $965.84).
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.
The straight swap for the many trailers that came with a 30,000 BTU Suburban SF furnace.
Amazon $965.84Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 25,000 to 30,000 BTU RV furnace; a clear win is highlighted. How we rank explains each one.
| Factor weight | Suburban SF-30Q (2559A) | Suburban SF-30FQ (2558A) |
|---|---|---|
| Overall rating | 2.9/5 | 2.9/5 |
| Value 40% | 57 $31.09 per 1,000 BTU ($932.57, 30,000 BTU) | 55 $32.19 per 1,000 BTU ($965.84, 30,000 BTU) |
| Power draw 35% | 51 7 A running, 0.2 A per 1,000 BTU | 51 7 A running, 0.2 A per 1,000 BTU |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Suburban SF-30Q (2559A) | Suburban SF-30FQ (2558A) | |
|---|---|---|
| Heat and power | ||
| Input capacity | 30,000 BTU | 30,000 BTU |
| 12 V amp draw | 7 A | 7 A |
| Airflow | 300 CFM | 300 CFM |
| Discharge | Ducted | Ducted |
| Fit | ||
| Height | 7.5 in | 7.5 in |
