Quadra-Fire 5100i Millennium Wood Fireplace Insert

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Quadra-Fire 5100i Millennium Wood Fireplace Insert

This high-efficiency wood fireplace insert transforms an ordinary fireplace into a powerful source of warmth. Durable construction and Automatic Combustion Control (ACC) burn technology ensure the 5100i will perform season after season, year after year.


1. Due to manufacturer restrictions, we are only able to sell new stoves in Wisconsin & Upper Michigan.

2. We are unable to provide pricing or quotes via email or phone. Every customer is ‘Price Protected’ for one full year on all new stove purchases. Best Price Guarantee – No worries. We have several convenient locations close to everyone we are allowed to serve.

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Due to the custom nature of this product, we ask that you speak with one of our trained sales reps.

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The Quadra-Fire 5100i wood insert has the ability of producing up to 61,00 BTU’s. Depending on climate and home efficiency, it will heat between 1,200 and 3,100 square feet. Large 3.0 cu. ft. firebox capacity allowing 20″ maximum log length. Efficiently designed for easy start-up. Enjoy up to 14 hours of burn time from each load of wood*. Earth Sense offers high temp painting services- choose from over 15 matte finishes!

Front Width: 29-1/16 in.
Back Width: 25-1/2 in.
Height: 20-3/4 in.
Depth: 17-9/16 in.
Extension onto Hearth: 13-1/16 in.
Peak BTU/Hour Output: 61,000
Heating Capacity*: 1,200 – 3,100 sq ft.


Heat output will vary depending on the type of fuel used. The flame and ember appearance may vary based on the type of fuel burned and the venting configuration used. Actual product appearance, including flame may differ from image shown. Refer to the Owners Manual for complete clearance requirements and specifications. Product specifications and pricing subject to change without notice. For testing and listing information please refer to the owners/installation manual.
*For select products: Heating capacity to be used as a guide only. See your local dealer for help in determining the product that best suits your heating needs based on climate and home efficiency.
*For wood-burning appliances: Actual burn times will vary based on how the appliance is operated, load size, moisture content and type of wood used, and installation.


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