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 Ashley Hearth AW1120E-P rates 3.1 among wood stoves ones. The Ashley Hearth AW1120E-P costs $1,499 less ($1,000 vs $2,499).
Ashley Hearth AW1120E-P
#12 in Wood stovesFull review
The pedestal version of US Stove’s 1,200 sq ft plate steel stove, for buyers who want a cleaner look for a room or small house. It burns more wood than more efficient stoves of its size.
Amazon $1,000$1,000
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 wood 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 | Ashley Hearth AW1120E-P |
|---|---|---|
| Overall rating | 3.5/5 | 3.1/5 |
| Efficiency 30% | 100 81% EPA tested efficiency (HHV) | 30 66% EPA tested efficiency (HHV) |
| Value 30% | 30 $61.42 per 1,000 BTU of EPA tested output ($2,499, 40,689 BTU) | 63 $25.20 per 1,000 BTU of EPA tested output ($1,000, 39,683 BTU) |
| Emissions 15% | 61 1 g/h of smoke particles (EPA) | 12 2.4 g/h of smoke particles (EPA) |
| Warranty 10% | 44 5-year warranty | 100 limited lifetime warranty |
| Convenience 15% | 38 up to 18 hours per hopper, thermostat | 50 takes 18 in logs, blower optional |
Specifications
| ComfortBilt HP22i Pellet Insert | Ashley Hearth AW1120E-P | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 81% | 66% |
| Emissions | 1 g/h | 2.4 g/h |
| Tested heat output | 12,820 to 40,689 BTU | 13,846 to 39,683 BTU |
| Heating | ||
| Fuel | Wood pellets | Cord wood |
| Type | Fireplace insert | Freestanding |
| Advertised output | 40,689 BTU | 68,000 BTU |
| Heats up to | 2,800 sq ft | 1,200 sq ft |
| Catalytic | No | No |
| Blower | Included | Optional |
| Thermostat | Yes | No |
| App control | No | No |
| Fuel | ||
| Firebox | - | 1.3 cu ft |
| Longest log | - | 18 in |
| Hopper | 47 lb | - |
| Burn time per hopper | 18 h | - |
| Power needed | 120 V outlet | None |
| Installation | ||
| Flue size | 3 in | 6 in |
| Mobile home approved | Yes | Yes |
| Dimensions | - | 22.5 x 21.1 x 31.7 in (W x D x H) |
| Weight | 262 lb | 233 lb |
| Warranty | 5 years | Limited lifetime |