ComfortBilt 21" HP22i Pellet Fireplace Insert

1 review
Style: Fireplace Insert without Trim

Estimated Arrival: Between and . (To All Contiguous States)

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ComfortBilt Pellet Stove Insert | HP22i

The HP22i provides all the benefits of ComfortBilt best-selling HP22 pellet stove as a fireplace insert. This insert can heat 2,800 square feet in mild temperatures, and its bay view window allows warmth to radiate in three directions. It is also EPA and CSA Certified to comply with all federal emissions mandates.

The HP22i’s five power settings allow for up to 18 hours of continuous burning on the lowest setting, and the programmable thermostat regulates a constant temperature and creates economical pellet usage. We ship each of HP22i and HP22i-SS pellet stoves with a free ash vacuum. 

The HP22i-SS pellet stove insert features stainless steel trim around the glass. 

ComfortBilt 21" HP22i Pellet Stove Fireplace Insert

The ComfortBilt HP22i Pellet Stove Fireplace Insert takes the tremendous performance and efficiency of the HP22 free-standing pellet stove and offers it as an attractive fireplace insert model with zero clearance.

Along with heated air from the room blower, the bay view window radiates heat in three directions.


  • Certified 50,000 BTU output will heat a 2,800 ft² or more if temperatures are mild
  • EPA and CSA Certified to comply with all federal emissions mandates
  • Heat exchanger design and powerful room blower produce maximum heat from pellets
  • Easy to clean heavy gauge exterior
  • 47 pound hopper capacity; ashes fall automatically into a fixed ash container
  • Five power settings allow up to 18 hours of continuous burning on lowest setting
  • Programmable thermostat for constant temperature and economical pellet use
  • Rear mounted 3" standard  exhaust port, and 2" standard air intake 
  • Requires a cavity at least 24.5" high, 18" deep, and 21" wide
  • Fireplace finishing cover shroud is 43" wide and 33" high
  • All HP22I insert models are shipped with a free ash vacuum - a $69.99 value


Width 21"
Height 24.5"
Depth 18"
Fuel Type Pellet
Installation Type Insert
BTU Output 50,000
Hopper Size 47 lb
Efficiency 80.5%
Max Coverage(Sq. Ft.) 2800


  • 1-Year limited warranty on parts and service.


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    Once it was installed and running I couldn’t be happier

    Scott N.
    United States