A rule of thumb for determining how much chimney you need for proper woodstove performance is…
All EPA approved woodstoves have some form of a re-burn system engineered into the stove. Some use Catalytic combustion technology and others use a secondary burn technology. Both work very well but differently.
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The Princess 1006:
Features include a 2.8 cu. ft. fire box and up to 40,000 Btus.
The Princess can handle wood up to 16 in length. With a 6 flue and optional dual variable speed fans, the Princess is perfect for medium and small homes. Outside air kit also available, making the Princess 1006 ideal for manufactured homes. Enjoy low burn times up to 20 hours, 82.5% efficiency and EPA emissions of 2.42 gr/hr.
The King 1107:
With a 4.27 cu. ft. fire box, this stove isn't just large but deep, providing safety, the ability to load up to 80 pounds of wood and reduce ash removal intervals. With an 8" flue and an honest to goodness thermostat, the King can burn up to 40 hours on a low setting. Produces up to 47,000 Btus and efficiencies as high as 82.5% and EPA emissions of 1.76 gr/hr. Blaze Kings optional dual variable speed fans are available on all King and Princess models.
