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
The KingRVer HF25-E 25,000 BTU is the better RV furnace overall, rated 3.2 to 2.5. The KingRVer HF25-E 25,000 BTU leads on value. The KingRVer HF25-E 25,000 BTU costs $313.74 less ($599.99 vs $913.73).
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.
Suburban SF-25Q (2556A)
A like-for-like replacement for a 25,000 BTU Suburban SF furnace in a mid-size trailer.
Amazon $913.73$913.73
Which should you buy?
- Choose the KingRVer HF25-E 25,000 BTU for value ($24 per 1,000 BTU ($599.99, 25,000 BTU) vs $36.55 per 1,000 BTU ($913.73, 25,000 BTU)).
Scores 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 | KingRVer HF25-E 25,000 BTU | Suburban SF-25Q (2556A) |
|---|---|---|
| Overall rating | 3.2/5 | 2.5/5 |
| Value 40% | 78 $24 per 1,000 BTU ($599.99, 25,000 BTU) | 45 $36.55 per 1,000 BTU ($913.73, 25,000 BTU) |
| Power draw 35% | 50 12 V amp draw not published (neutral score used) | 30 7 A running, 0.3 A per 1,000 BTU |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| KingRVer HF25-E 25,000 BTU | Suburban SF-25Q (2556A) | |
|---|---|---|
| Heat and power | ||
| Input capacity | 25,000 BTU | 25,000 BTU |
| 12 V amp draw | - | 7 A |
| Airflow | 240 CFM | 300 CFM |
| Discharge | Ducted | Ducted |
| Fit | ||
| Height | 7.8 in | 7.5 in |