KingRVer HF35-E 35,000 BTU
The cheapest 35,000 BTU furnace per BTU for a 28 to 38 ft trailer, on trust in a new brand.
Amazon $599.97$599.97
The KingRVer HF35-E 35,000 BTU rates 3.5 among 35,000 BTU and up RV furnaces; the KingRVer HF30-E 30,000 BTU rates 3.3 among 25,000 to 30,000 BTU ones. The KingRVer HF35-E 35,000 BTU costs $50.02 less ($599.97 vs $649.99).
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.
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
Scores side by side
These two sit in different size classes (35,000 BTU and up and 25,000 to 30,000 BTU), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | KingRVer HF35-E 35,000 BTU | KingRVer HF30-E 30,000 BTU |
|---|---|---|
| Overall rating | 3.5/5 | 3.3/5 |
| Value 40% | 100 $17.14 per 1,000 BTU ($599.97, 35,000 BTU) | 86 $21.67 per 1,000 BTU ($649.99, 30,000 BTU) |
| Power draw 35% | 50 12 V amp draw not published (neutral score used) | 50 12 V amp draw not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| KingRVer HF35-E 35,000 BTU | KingRVer HF30-E 30,000 BTU | |
|---|---|---|
| Heat and power | ||
| Input capacity | 35,000 BTU | 30,000 BTU |
| Airflow | 320 CFM | 260 CFM |
| Fit | ||
| Height | 8 in | 8 in |