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Pellethead PS21 1,800 Sq Ft Pellet Stove

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Pellet stove ยท Pellethead

Pellethead PS21 1,800 Sq Ft Pellet Stove

Pellet stove, up to 1,800 sq ft, 34,700 BTU/h

Heats up to (maker)
1,800 sq ft
Heat output (maker)
34,700
Material
Metal
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In short

Pick it for homes without a masonry chimney.

Wins
Heats up to 1,800 sq ft (maker).
Gives ground
Stops in a power cut without a backup.
Suits
Homes without a masonry chimney.

Updated October 2026

What you get

The Pellethead PS21 1,800 Sq Ft Pellet Stove is a pellet stove that its maker rates at 34,700 BTU per hour and says heats up to 1,800 square feet.

Makers rate heating area in their own conditions, so read 1,800 square feet as a ceiling; the size calculator lists the closest fits for your space.

Without household power its auger and fans stop; check whether the maker allows a battery backup. Read the outage guide.

Also on the listing: metal construction.

The figures, from the maker

Each figure is the maker's or the listing's own, with its source marked. A figure the maker doesn't give is shown as not stated.

Model numberPS21Retailer
MaterialMetalRetailer
Mounting / installationFreestandingRetailer
Heats up to (maker)1,800 sq ftRetailer
Heat output (maker)34,700Retailer

Is it the right heater for the room?

Pick it when

  • Homes without a masonry chimney
  • Owners who want set-and-forget heat

Pass on it when

  • Frequent long power cuts without a backup
  • Owners who want to burn cordwood

Where it wins, where it gives ground

Wins

  • Heats up to 1,800 sq ft (maker)
  • Feeds itself from the hopper

Gives ground

  • Stops in a power cut without a backup
  • Burn pot needs regular cleaning

Know before you install

  • Figures are the maker's own and are rated in the maker's conditions. Installation, venting, chimney, gas and electrical work follow the manual and local code, carried out by a qualified installer.

Heaters to weigh against it

Comfortbilt HP40-Alpine 1,500 Sq Ft Pellet StoveHeats up to 1,500 sq ft.
Castle 41278 Pellet StoveHeats up to 1,500 sq ft.
Comfort Glow CGPS2100 Pellet StoveHeats up to 2,200 sq ft.

Other pellet stoves and inserts in the same heat range

Every pellet stoves and inserts on one chart

Buying this model

The button opens this exact model's listing. Prices and stock change, and installation parts are usually sold separately; check the box contents and the manual's venting list before you order.

Prices change often; the button shows today's price.
Check price on Amazon

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions about this model

Does the Pellethead PS21 1,800 Sq Ft Pellet Stove work without power?
No, not on its own: the auger and fans need electricity. A battery backup the maker allows, or a generator, keeps it running.

Bottom line

Pick it for homes without a masonry chimney.