cozyglowstoves Skip to content
Free Delivery on All Orders Over $75 - Curbside Delivery in 7-10 Days
Free Delivery on All Orders Over $75 - Curbside Delivery in 7-10 Days
National Chimney Logo

What Makes them Great?

Known For:

  • Chimney Liners
  • Liner Kits
  • Caps
  • Chase Covers
  • Full Line of Chimney Supplies

What Sets them Apart?

  • Veteran Owned & American-Made
  • Over 30 Years of Experience in the Chimney Industry
  • CSIA Member

National Chimney: Industry-Leading Quality & Innovation

Since 1992, National Chimney has been a trusted name in the hearth industry, providing chimney professionals with top-quality, U.S.-made products. As a premier manufacturer of stainless steel chimney liners and components, they are committed to innovation, durability, and efficiency. With locally-based distribution centers and reliable technical support, National Chimney ensures that both professionals and homeowners get the best in performance and safety. Explore our collection of National Chimney products and experience industry-leading craftsmanship built to last.

  • Original price $280.66 - Original price $748.30
    Original price
    $280.66 - $748.30
    $280.66 - $748.30
    Current price $280.66

    National Chimney Flexible Chimney Liner Insulation Kit

    National Chimney
    In stock

    National Chimney Flexible Chimney Liner Insulation Kit – Premier Wrap The National Chimney Flexible Chimney Liner Insulation Kit enhances the effic...

    View full details
    Original price $280.66 - Original price $748.30
    Original price
    $280.66 - $748.30
    $280.66 - $748.30
    Current price $280.66
  • Original price $40.14 - Original price $54.12
    Original price
    $40.14 - $54.12
    $40.14 - $54.12
    Current price $40.14

    National Chimney Stove Adapter

    National Chimney
    In stock

    National Chimney 6-Inch & 8-Inch Stove Adapter The National Chimney Stove Adapter ensures a seamless connection between your stove’s flue outle...

    View full details
    Original price $40.14 - Original price $54.12
    Original price
    $40.14 - $54.12
    $40.14 - $54.12
    Current price $40.14
  • Original price $58.56 - Original price $58.56
    Original price
    $58.56
    $58.56 - $58.56
    Current price $58.56

    National Chimney 6-Inch Appliance Adapter | NC6AA

    National Chimney
    In stock

    National Chimney 6-Inch Appliance Adapter | NC6AA The National Chimney 6-Inch Appliance Adapter (NC6AA) ensures a secure and seamless connection be...

    View full details
    Original price $58.56 - Original price $58.56
    Original price
    $58.56
    $58.56 - $58.56
    Current price $58.56
  • Original price $227.22 - Original price $227.22
    Original price
    $227.22
    $227.22 - $227.22
    Current price $227.22

    National Chimney Offset Insert Adapter | 6-Inch

    National Chimney
    In stock

    National Chimney 6-Inch Offset Insert Adapter (NC6IA) The National Chimney 6-Inch Offset Insert Adapter (NC6IA) allows flexible venting adjustments...

    View full details
    Original price $227.22 - Original price $227.22
    Original price
    $227.22
    $227.22 - $227.22
    Current price $227.22
  • Original price $104.98 - Original price $104.98
    Original price
    $104.98
    $104.98 - $104.98
    Current price $104.98

    National Chimney Pre-Insulated Stove Adapter | 6-Inch

    National Chimney
    In stock

    National Chimney Pre-Insulated Stove Adapter | 6-Inch The National Chimney Pre-Insulated Stove Adapter is designed to seamlessly connect a pre-insu...

    View full details
    Original price $104.98 - Original price $104.98
    Original price
    $104.98
    $104.98 - $104.98
    Current price $104.98
  • Original price $789.96 - Original price $1,291.72
    Original price
    $789.96 - $1,291.72
    $789.96 - $1,291.72
    Current price $789.96

    National Chimney M-Flex Chimney Liner | 6-Inch

    National Chimney
    In stock

    National Chimney M-Flex Chimney Liner | 6-Inch The National Chimney M-FLEX 6-Inch Stainless Steel Chimney Liner provides superior durability and f...

    View full details
    Original price $789.96 - Original price $1,291.72
    Original price
    $789.96 - $1,291.72
    $789.96 - $1,291.72
    Current price $789.96
  • Original price $505.96 - Original price $2,577.10
    Original price
    $505.96 - $2,577.10
    $505.96 - $2,577.10
    Current price $505.96

    National Chimney Premier Flex Lite 304 Stainless Steel Flexible Chimney Liner

    National Chimney
    In stock

    National Chimney Premier Flex Lite 304 Stainless Steel Flexible Chimney Liner Upgrade your chimney with the Premier Flex Lite 304 stainless steel c...

    View full details
    Original price $505.96 - Original price $2,577.10
    Original price
    $505.96 - $2,577.10
    $505.96 - $2,577.10
    Current price $505.96
  • Original price $1,336.08 - Original price $1,740.04
    Original price
    $1,336.08 - $1,740.04
    $1,336.08 - $1,740.04
    Current price $1,336.08

    National Chimney M-Flex 6-Inch Pre-Insulated Standard Liner Kit with Tee

    National Chimney
    In stock

    National Chimney M-Flex 6-Inch Pre-Insulated Standard Liner Kit with Tee The National Chimney M-Flex Pre-Insulated Standard Liner Kit with Tee is d...

    View full details
    Original price $1,336.08 - Original price $1,740.04
    Original price
    $1,336.08 - $1,740.04
    $1,336.08 - $1,740.04
    Current price $1,336.08
  • Original price $1,197.30 - Original price $1,610.82
    Original price
    $1,197.30 - $1,610.82
    $1,197.30 - $1,610.82
    Current price $1,197.30

    National Chimney Smoothwall Standard Liner Kit | 6-Inch

    National Chimney
    In stock

    National Chimney Smoothwall Standard Liner Kit | 6-Inch The National Chimney Smoothwall Standard Liner Kit provides a superior chimney lining solut...

    View full details
    Original price $1,197.30 - Original price $1,610.82
    Original price
    $1,197.30 - $1,610.82
    $1,197.30 - $1,610.82
    Current price $1,197.30
  • Original price $1,004.24 - Original price $1,607.92
    Original price
    $1,004.24 - $1,607.92
    $1,004.24 - $1,607.92
    Current price $1,004.24

    National Chimney M-Flex Standard Liner Kit with Tee

    National Chimney
    In stock

    National Chimney M-Flex Standard Liner Kit with Tee Upgrade your chimney with the National Chimney M-Flex Standard Liner Kit with Tee, designed for...

    View full details
    Original price $1,004.24 - Original price $1,607.92
    Original price
    $1,004.24 - $1,607.92
    $1,004.24 - $1,607.92
    Current price $1,004.24
  • Original price $775.28 - Original price $936.78
    Original price
    $775.28 - $936.78
    $775.28 - $936.78
    Current price $775.28

    National Chimney M-Flex Pellet Insert Basic Liner Kit with Cleanout Tee

    National Chimney
    In stock

    National Chimney M-Flex Pellet Insert Basic Liner Kit with Cleanout Tee Upgrade your pellet stove venting with the durable and easy-to-install M-Fl...

    View full details
    Original price $775.28 - Original price $936.78
    Original price
    $775.28 - $936.78
    $775.28 - $936.78
    Current price $775.28
  • Original price $565.32 - Original price $847.94
    Original price
    $565.32 - $847.94
    $565.32 - $847.94
    Current price $565.32

    National Chimney M-Flex Pellet Insert Basic Liner Kit | No Tee

    National Chimney
    In stock

    National Chimney M-Flex Pellet Insert Basic Liner Kit | No Tee This National Chimney M-Flex Basic Liner Kit is designed for pellet fireplace insert...

    View full details
    Original price $565.32 - Original price $847.94
    Original price
    $565.32 - $847.94
    $565.32 - $847.94
    Current price $565.32
  • Original price $664.86 - Original price $1,491.92
    Original price
    $664.86 - $1,491.92
    $664.86 - $1,491.92
    Current price $664.86

    National Chimney Smoothwall Wood-Burning Insert Liner Kit | 6-Inch

    National Chimney
    In stock

    National Chimney Smoothwall Wood-Burning Insert Liner Kit | 6-Inch The National Chimney M-Flex Smoothwall Chimney Liner Kit is designed for firepla...

    View full details
    Original price $664.86 - Original price $1,491.92
    Original price
    $664.86 - $1,491.92
    $664.86 - $1,491.92
    Current price $664.86
  • Original price $597.72 - Original price $1,305.82
    Original price
    $597.72 - $1,305.82
    $597.72 - $1,305.82
    Current price $597.72

    National Chimney M-Flex Wood-Burning Insert Basic Liner Kit

    National Chimney
    In stock

    National Chimney M-Flex Wood-Burning Insert Basic Liner Kit The National Chimney M-Flex Basic Liner Kit is designed for fireplace inserts and wood ...

    View full details
    Original price $597.72 - Original price $1,305.82
    Original price
    $597.72 - $1,305.82
    $597.72 - $1,305.82
    Current price $597.72
  • Original price $1,276.50 - Original price $1,629.74
    Original price
    $1,276.50 - $1,629.74
    $1,276.50 - $1,629.74
    Current price $1,276.50

    National Chimney M-Flex Pre-Insulated Wood-Burning Insert Liner Kit

    National Chimney
    In stock

    National Chimney M-Flex Pre-Insulated Wood-Burning Insert Liner Kit The National Chimney M-Flex Pre-Insulated Chimney Liner Kit is an easy-to-insta...

    View full details
    Original price $1,276.50 - Original price $1,629.74
    Original price
    $1,276.50 - $1,629.74
    $1,276.50 - $1,629.74
    Current price $1,276.50