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 $2,499The ComfortBilt HP22i Pellet Insert is the better stove overall, rated 3.5 to 3.5. The ComfortBilt HP22i Pellet Insert leads on efficiency and emissions. The Englander Blue Ridge 150-I wins on value and convenience. The Englander Blue Ridge 150-I costs $910 less ($1,589 vs $2,499).
A small, efficient wood insert that turns an open fireplace into a real heater for a room or small house. The 90 CFM blower is included.
Englander $1,589Prices 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 HP22i Pellet Insert for efficiency (81% EPA tested efficiency (HHV) vs 75% EPA tested efficiency (HHV)) and emissions (1 g/h of smoke particles (EPA) vs 1.5 g/h of smoke particles (EPA)).
- Choose the Englander Blue Ridge 150-I for value ($50.13 per 1,000 BTU of EPA tested output ($1,589, 31,700 BTU) vs $61.42 per 1,000 BTU of EPA tested output ($2,499, 40,689 BTU)) and convenience (takes 17 in logs, blower included vs up to 18 hours per hopper, thermostat).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every inserts stove; a clear win is highlighted. How we rank explains each one.
| Factor weight | ComfortBilt HP22i Pellet Insert | Englander Blue Ridge 150-I |
|---|---|---|
| Overall rating | 3.5/5 | 3.5/5 |
| Efficiency 30% | 100 81% EPA tested efficiency (HHV) | 75 75% EPA tested efficiency (HHV) |
| Value 30% | 30 $61.42 per 1,000 BTU of EPA tested output ($2,499, 40,689 BTU) | 46 $50.13 per 1,000 BTU of EPA tested output ($1,589, 31,700 BTU) |
| Emissions 15% | 61 1 g/h of smoke particles (EPA) | 39 1.5 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 | 62 takes 17 in logs, blower included |
Specifications
| ComfortBilt HP22i Pellet Insert | Englander Blue Ridge 150-I | |
|---|---|---|
| EPA certification | ||
| EPA certified | Yes (2020 standard) | Yes (2020 standard) |
| Efficiency (HHV) | 81% | 75% |
| Emissions | 1 g/h | 1.5 g/h |
| Tested heat output | 12,820 to 40,689 BTU | 8,471 to 31,700 BTU |
| Heating | ||
| Fuel | Wood pellets | Cord wood |
| Type | Fireplace insert | Fireplace insert |
| Advertised output | 40,689 BTU | 45,000 BTU |
| Heats up to | 2,800 sq ft | 1,200 sq ft |
| Catalytic | No | No |
| Blower | Included | Included |
| Thermostat | Yes | No |
| App control | No | No |
| Fuel | ||
| Firebox | - | 1.1 cu ft |
| Longest log | - | 17 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 | No |
| Dimensions | - | 27.875 x 21.875 x 20.125 in (W x D x H) |
| Weight | 262 lb | - |
| Warranty | 5 years | 5 years |
