Cleveland Iron Works PS20W
#2 in Pellet stovesFull review
A low cost, efficient small pellet stove with app control for a cabin, garage apartment or a few rooms.
Amazon $999$999
The Cleveland Iron Works PS20W is the better stove overall, rated 3.9 to 3.8. The Cleveland Iron Works PS20W leads on value. The ComfortBilt Alpine HP40 wins on emissions. The Cleveland Iron Works PS20W costs $100 less ($999 vs $1,099).
ComfortBilt Alpine HP40
#7 in Pellet stovesFull review
A small, clean burning pellet stove for a single room, cabin or small house where a big stove would overheat the space.
Amazon $1,099$1,099
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Cleveland Iron Works PS20W for value ($35.15 per 1,000 BTU of EPA tested output ($999, 28,423 BTU) vs $41.91 per 1,000 BTU of EPA tested output ($1,099, 26,224 BTU)).
- Choose the ComfortBilt Alpine HP40 for emissions (0.7 g/h of smoke particles (EPA) vs 1.2 g/h of smoke particles (EPA)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every pellet stoves stove; a clear win is highlighted. How we rank explains each one.
| Factor weight | Cleveland Iron Works PS20W | ComfortBilt Alpine HP40 |
|---|---|---|
| Overall rating | 3.9/5 | 3.8/5 |
| Efficiency 30% | 100 85% EPA tested efficiency (HHV) | 100 81% EPA tested efficiency (HHV) |
| Value 30% | 55 $35.15 per 1,000 BTU of EPA tested output ($999, 28,423 BTU) | 41 $41.91 per 1,000 BTU of EPA tested output ($1,099, 26,224 BTU) |
| Emissions 15% | 51 1.2 g/h of smoke particles (EPA) | 78 0.7 g/h of smoke particles (EPA) |
| Warranty 10% | 50 warranty not published (neutral score used) | 22 3-year warranty |
| Convenience 15% | 60 burn time not published, thermostat not stated, app control | 55 burn time not published, thermostat |
Specifications
| Cleveland Iron Works PS20W | ComfortBilt Alpine HP40 | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 85% | 81% |
| Emissions | 1.2 g/h | 0.7 g/h |
| Tested heat output | 12,876 to 28,423 BTU | 13,458 to 26,224 BTU |
| Heating | ||
| Fuel | Wood pellets | Wood pellets |
| Type | Freestanding | Freestanding |
| Advertised output | - | 26,224 BTU |
| Heats up to | 1,200 sq ft | 1,500 sq ft |
| Catalytic | No | No |
| Blower | - | Included |
| Thermostat | - | Yes |
| App control | Yes | No |
| Fuel | ||
| Hopper | 24 lb | 25 lb |
| Power needed | 120 V outlet | 120 V outlet |
| Installation | ||
| Flue size | - | 3 in |
| Mobile home approved | - | Yes |
| Dimensions | - | 17 x 18 x 27 in (W x D x H) |
| Weight | - | 180 lb |
| Warranty | - | 3 years |
| Released | 2018-12 | 2023-02 |