KingRVer HF30-E 30,000 BTU
A budget 30,000 BTU complete furnace for a 24 to 33 ft trailer.
Amazon $649.99$649.99
The KingRVer HF30-E 30,000 BTU is the better RV furnace overall, rated 3.3 to 2.9. The KingRVer HF30-E 30,000 BTU leads on value. The KingRVer HF30-E 30,000 BTU costs $315.85 less ($649.99 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.
Suburban SF-30FQ (2558A)
The straight swap for the many trailers that came with a 30,000 BTU Suburban SF furnace.
Amazon $965.84$965.84
Which should you buy?
- Choose the KingRVer HF30-E 30,000 BTU for value ($21.67 per 1,000 BTU ($649.99, 30,000 BTU) vs $32.19 per 1,000 BTU ($965.84, 30,000 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 HF30-E 30,000 BTU | Suburban SF-30FQ (2558A) |
|---|---|---|
| Overall rating | 3.3/5 | 2.9/5 |
| Value 40% | 86 $21.67 per 1,000 BTU ($649.99, 30,000 BTU) | 55 $32.19 per 1,000 BTU ($965.84, 30,000 BTU) |
| Power draw 35% | 50 12 V amp draw not published (neutral score used) | 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
| KingRVer HF30-E 30,000 BTU | Suburban SF-30FQ (2558A) | |
|---|---|---|
| Heat and power | ||
| Input capacity | 30,000 BTU | 30,000 BTU |
| 12 V amp draw | - | 7 A |
| Airflow | 260 CFM | 300 CFM |
| Discharge | - | Ducted |
| Fit | ||
| Height | 8 in | 7.5 in |