The standard replacement for a 35,000 BTU Suburban SF furnace where the exterior service door stays.
Amazon $929.99The Suburban SF-35VHQ (2588A) is the better RV furnace overall, rated 3.6 to 2.2. The Suburban SF-35VHQ (2588A) leads on power draw and value. The Suburban SF-35VHQ (2588A) costs $470.75 less ($929.99 vs $1,400.74).
Prices were last checked November 9, 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.
For a long trailer or motorhome that needs 35,000 BTU and smoother starts on a weak battery or generator.
Amazon $1,400.74Which should you buy?
- Choose the Suburban SF-35VHQ (2588A) for power draw (8 A running, 0.2 A per 1,000 BTU vs 11.1 A running, 0.3 A per 1,000 BTU) and value ($26.57 per 1,000 BTU ($929.99, 35,000 BTU) vs $40.02 per 1,000 BTU ($1,400.74, 35,000 BTU)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 35,000 BTU and up RV furnace; a clear win is highlighted. How we rank explains each one.
| Factor weight | Suburban SF-35VHQ (2588A) | Dometic DFMDH35111 Essential |
|---|---|---|
| Overall rating | 3.6/5 | 2.2/5 |
| Value 40% | 70 $26.57 per 1,000 BTU ($929.99, 35,000 BTU) | 38 $40.02 per 1,000 BTU ($1,400.74, 35,000 BTU) |
| Power draw 35% | 53 8 A running, 0.2 A per 1,000 BTU | 14 11.1 A running, 0.3 A per 1,000 BTU |
| Warranty 25% | 50 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Suburban SF-35VHQ (2588A) | Dometic DFMDH35111 Essential | |
|---|---|---|
| Heat and power | ||
| Input capacity | 35,000 BTU | 35,000 BTU |
| 12 V amp draw | 8 A | 11.1 A |
| Discharge | Ducted | Ducted |
| Fit | ||
| Height | 7.5 in | 7 in |
| Weight | 29 lb | 33.5 lb |
| Warranty | ||
| Warranty | 2 years | - |
