ComfortBilt HP22i Pellet Insert
#2 in InsertsFull review
A strong, efficient pellet insert for anyone who wants real heat from an existing fireplace. Have it installed to the manual and local code.
Amazon $2,499$2,499
The ComfortBilt HP22i Pellet Insert rates 3.5 among inserts stoves; the ComfortBilt HP22 Pellet Stove rates 3.4 among pellet stoves ones. The ComfortBilt HP22 Pellet Stove costs $200 less ($2,299 vs $2,499).
ComfortBilt HP22 Pellet Stove
#18 in Pellet stovesFull review
A proven, efficient mid-size pellet stove for heating most of a home, with a programmable thermostat and a long run per hopper.
Amazon $2,299$2,299
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.
Scores side by side
These two sit in different type classes (inserts and pellet stoves), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | ComfortBilt HP22i Pellet Insert | ComfortBilt HP22 Pellet Stove |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Efficiency 30% | 100 81% EPA tested efficiency (HHV) | 100 81% EPA tested efficiency (HHV) |
| Value 30% | 30 $61.42 per 1,000 BTU of EPA tested output ($2,499, 40,689 BTU) | 17 $56.50 per 1,000 BTU of EPA tested output ($2,299, 40,689 BTU) |
| Emissions 15% | 61 1 g/h of smoke particles (EPA) | 61 1 g/h of smoke particles (EPA) |
| Warranty 10% | 44 5-year warranty | 44 5-year warranty |
| Convenience 15% | 38 up to 18 hours per hopper, thermostat | 41 up to 20 hours per hopper, thermostat |
Specifications
| ComfortBilt HP22i Pellet Insert | ComfortBilt HP22 Pellet Stove | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 81% | 81% |
| Emissions | 1 g/h | 1 g/h |
| Tested heat output | 12,820 to 40,689 BTU | 12,820 to 40,689 BTU |
| Heating | ||
| Fuel | Wood pellets | Wood pellets |
| Type | Fireplace insert | Freestanding |
| Advertised output | 40,689 BTU | 40,689 BTU |
| Heats up to | 2,800 sq ft | 2,800 sq ft |
| Catalytic | No | No |
| Blower | Included | Included |
| Thermostat | Yes | Yes |
| App control | No | No |
| Fuel | ||
| Hopper | 47 lb | 55 lb |
| Burn time per hopper | 18 h | 20 h |
| Power needed | 120 V outlet | 120 V outlet |
| Installation | ||
| Flue size | 3 in | 3 in |
| Mobile home approved | Yes | Yes |
| Dimensions | - | 24 x 25 x 32.5 in (W x D x H) |
| Weight | 262 lb | - |
| Warranty | 5 years | 5 years |