ComfortBilt HP22i pellet stove

Modern fireplace insert with a bright orange fire built into a stone wall

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. Along with heated air from the room blower, the bay view window radiates heat in three directions. The ComfortBilt HP22i Pellet Stove Fireplace Insert features:


  • 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 allows 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 42” wide and 33” high
  • All HP22I insert models are shipped with a free ash vacuum - a $59.99 value


The HP22i Pellet Stove Fireplace Insert comes with a one-year limited warranty on parts and service.

Parts Available

Control Board

Green circuit board with black transformer, white connector, and several small electronic components on bubble wrap

Exhaust Fan

Metallic five-point star wheel mounted on a round silver disc.

Auger Motor

Black electric motor with attached gearbox and protruding metal shaft, white wires visible.

Cast Burn Pot

Gray metal mesh speaker grille with perforated center and small vent holes underneath

Convection Fan

Long cylindrical industrial blower or fan with metal blades and motor assembly on a white background

Stainless Steel Burn Pot

Burnt metal container with welded seams and a round fastener on one side

Gen 1 Replacement Igniter

Long-handled tool with a red-and-black shaft and gray connector on a white background

Vacuum Switch

Black circular electrical component with a white label and metal mounting tabs on a white background

Gen 2 Replacement Igniter

Black-handled hooked metal tool with two bent wire prongs on a white background

Gen 2 Igniter Bracket

Black ring clamp with silver screw on a white background

Gen 3 Replacement Igniter

Black rectangular sensor with a white cable and connector on a light gray background

Gen 3 Igniter Mounting Set

Two silver bolts with a red washer and a clear plastic cylinder on a white background

Main Power Switch

Black power inlet with on/off rocker switch and white power symbol on a textured panel

Proof of Fire Switches

Two white ceramic electrical sockets with metal tabs and side mounting holes on a white background

Vermiculite Set

Corkboard with a square cutout and two loose wooden strips below it

Hopper Lid Safety Switch

Small black microswitch with a roller lever arm on a white background

Control Panel

Black electronic control panel with small display and arrow buttons on a gray base

Remote Control Thermostat

Handheld meter with yellow sensor probes, coiled cable, and small control unit on a white background

Parts Care Package

Orange “Parts Care Package” text over a collage of car parts and tools