Suburban NT-30SP
For a replacement where the old NT-series furnace sat in a deep cabinet and low amp draw matters.
Amazon $697.65$697.65
3.3/5
A budget 30,000 BTU complete furnace for a 24 to 33 ft trailer.
- 30,000 BTUInput
- 260 CFMAirflow
Check price at Amazon$649.99
Price checked November 3, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Complete unit with built-in thermostat and flame-out protection
- $22 per 1,000 BTU
Cons
- No published amp draw or warranty
- Unproven brand
The KingRVer HF-E family
Every KingRVer HF-E model we rank, smallest first. Ratings compare each against its own size.
| Model | Input | Rating | Price |
|---|---|---|---|
| KingRVer HF25-E 25,000 BTU | 25,000 BTU | 3.2/5 | $599.99 |
| KingRVer HF30-E 30,000 BTU (this one) | 30,000 BTU | 3.3/5 | $649.99 |
| KingRVer HF35-E 35,000 BTU | 35,000 BTU | 3.5/5 | $599.97 |
How it scores
The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | HF30-E |
|---|---|
| Heat and power | |
| Input capacity | 30,000 BTU |
| Airflow | 260 CFM |
| Fit | |
| Height | 8 in |
Alternatives in this size
$679.99
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
Compare
Compare the KingRVer HF30-E 30,000 BTU with any other RV furnace →
More from KingRVer: every KingRVer product ranked.