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ComfortBilt HP21 pellet stove

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The ComfortBilt HP21 has the bay view window that our customers love in a compact, pedestal design that fits nicely with all decors and room sizes. Its mid-range performance will heat a modest sized home or work space economically and efficiently. With all the engineering and construction found in our larger stoves, this model features:


  • Capable of 44,000 BTU output will heat a 2,400 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
  • 40 pound hopper capacity; ashes fall automatically into a large removable ash pan
  • Pellets burn so completely that the ash drawer only needs emptying every two weeks
  • Five power settings allow up to 16 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 
  • Exterior dimensions of unit are 23.5” wide, 24” deep, and 33” high with mounted controller


The HP21 Pellet Stove comes with a one-year limited warranty on parts and service.



Parts Available

Control Board

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Exhaust Fan

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Auger Motor

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Cast Burn Pot

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Convection Fan

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Stainless Steel Burn Pot

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Gen 1 Replacement Igniter

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Vacuum Switch

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Gen 2 Replacement Igniter

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Gen 2 Igniter Bracket

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Gen 3 Replacement Igniter

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Gen 3 Igniter Mounting Set

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Main Power Switch

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Proof of Fire Switches

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Hopper Lid Safety Switch

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Control Panel

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Remote Control Thermostat

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Parts Care Package

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32LB Hopper Extension

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