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We design and manufacture advanced flue and air care systems

Since 1919

Widest range of products

in the market

Sphering powers the Group with a local approach and global efficiency, enabling a solid versatility for answering customer needs from different countries to different business segments.

The group owns the manufacturing expertise, adaptability and know-how for a very large variety of products. Amongst many materials, many different thickness for chimney materials and insulations, chimneys in special diameters, the Group not only offers highly personalized solutions, but also high-quality, premium and budget systems.

Powering safe and

efficient products

With versatility to answer every needs

Hearth market solutions

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Double Wall

Insulated chimney system
Open-ended
Twist lock

Triple wall insulated & Concentric

Air / Flue
chimney system

Single Wall

Connecting flue pipe
Steel enamel
Stainless steel

Flex

Liner for renovation
Insulated & non-insulated

Central heating systems

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Concentric

Air / Flue
chimney system
Stainless steel
Polypropylene

hearmarket_doublewall

Double Wall

Insulated
chimney system

centralheating_singlewallappolo

Single Wall

Connecting flue pipe
Stainless steel
Polypropylene

hearmarket_renovationflex

Flex

Liner for renovation
Insulated & non-insulated
Stainless steel
Polypropylene

Commercial and industrial systems

Flange system

Universal up to 15 000 Pa

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Conical system

High pressure &
high temperature
Without gasket

Double Wall

High pressure &
high temperature
With gasket

fixing-structures - Sphering

Structures, expansion compensators, explosion & implosion doors

Ventilation systems

duct rigid - Sphering

Locked seam

Galvanized steel

duct_flex - Sphering

Flexible ducts

Aluminium
Galvanized steel

Single, double
& triple wall

Welded system
Stainless steel
Galvanized steel

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Energy recovery ventilators,
air handling units

Valves & accessories