ComfortBilt Alpine HP42
#1 in Pellet stovesFull review
A high efficiency, big hopper pellet stove for heating a whole house for days between fills, at a mid-range price.
Amazon $1,299$1,299
The ComfortBilt Alpine HP42 is the better stove overall, rated 4.0 to 3.8. The ComfortBilt Alpine HP42 leads on value and convenience. The PelPro PP70 Pellet Stove wins on emissions. The ComfortBilt Alpine HP42 costs $452.31 less ($1,299 vs $1,751.31).
PelPro PP70 Pellet Stove
#4 in Pellet stovesFull review
A clean burning, efficient pellet stove from a major hearth maker, for buyers who want simple dial control rather than an app.
Amazon $1,751.31$1,751.31
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 ComfortBilt Alpine HP42 for value ($30.66 per 1,000 BTU of EPA tested output ($1,299, 42,370 BTU) vs $49.64 per 1,000 BTU of EPA tested output ($1,751.31, 35,278 BTU)) and convenience (up to 80 hours per hopper, thermostat vs burn time not published, thermostat).
- Choose the PelPro PP70 Pellet Stove for emissions (0.5 g/h of smoke particles (EPA) vs 1.1 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 | ComfortBilt Alpine HP42 | PelPro PP70 Pellet Stove |
|---|---|---|
| Overall rating | 4.0/5 | 3.8/5 |
| Efficiency 30% | 100 86% EPA tested efficiency (HHV) | 100 83% EPA tested efficiency (HHV) |
| Value 30% | 66 $30.66 per 1,000 BTU of EPA tested output ($1,299, 42,370 BTU) | 27 $49.64 per 1,000 BTU of EPA tested output ($1,751.31, 35,278 BTU) |
| Emissions 15% | 56 1.1 g/h of smoke particles (EPA) | 100 0.5 g/h of smoke particles (EPA) |
| Warranty 10% | 22 3-year warranty | 50 warranty not published (neutral score used) |
| Convenience 15% | 80 up to 80 hours per hopper, thermostat | 55 burn time not published, thermostat |
Specifications
| ComfortBilt Alpine HP42 | PelPro PP70 Pellet Stove | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 86% | 83% |
| Emissions | 1.1 g/h | 0.5 g/h |
| Tested heat output | 14,567 to 42,370 BTU | 9,603 to 35,278 BTU |
| Heating | ||
| Fuel | Wood pellets | Wood pellets |
| Type | Freestanding | Freestanding |
| Advertised output | 42,000 BTU | 42,500 BTU |
| Heats up to | 2,800 sq ft | 2,000 sq ft |
| Catalytic | No | No |
| Blower | Included | Included |
| Thermostat | Yes | Yes |
| App control | No | No |
| Fuel | ||
| Hopper | 120 lb | 70 lb |
| Burn time per hopper | 80 h | - |
| Power needed | 120 V outlet | 120 V outlet |
| Installation | ||
| Mobile home approved | Yes | Yes |
| Dimensions | 24.75 x 27 x 40 in (W x D x H) | 22 x 22 x 33 in (W x D x H) |
| Weight | - | 199 lb |
| Warranty | 3 years | - |
| Released | 2024-04 | - |