Gaznox SA is a company specializing in the design, installation, and renovation of chimney linings, serving the Geneva canton and the Nyon region. With over 30 years of experience in the industry and construction sector, our founders – Daniel Pitt and Frédéric Gorges – provide expert services to private clients, architects, and heating system installers for all projects related to chimneys and smoke evacuation systems.

We offer comprehensive services for chimneys, chimney linings, smoke ducts, wood stoves, Swedish stoves, pellet stoves, ventilation systems, and fire safety.

Chimney Lining Renovation and Installation

As specialists in chimney linings, we handle:

• Renovation of existing flues

• Installation of stainless steel or synthetic linings

• Linings for boilers: oil, gas, wood, pellets

• Linings for backup generators

• Industrial and high-temperature chimney linings

• Repair of damaged flues

Our solutions ensure optimal smoke evacuation, safe installations, and high energy efficiency, fully compliant with local standards.

Chimney and Stove Installation

We also provide complete chimney and stove installation for residential and industrial buildings:

• Living room fireplaces

• Swedish stoves

• Wood stoves

• Pellet / granule stoves

• Fireplace stoves

• Industrial metal chimneys

Our team ensures proper air supply, safe smoke extraction, and reliable, efficient operation.

Masonry Fireplaces – Construction and Renovation

We handle all types of masonry fireplaces, both for new and existing buildings, including:

• Construction of fireplaces with bricks, stone, or concrete

• Repair and renovation of cracked flues

• Relocation or elevation of existing chimneys

• Reconstruction of heritage fireplaces

• Work on historic or protected buildings

Each project is completed with architectural care and customized finishes.

Ventilation Ducts and Smoke Extraction Systems

Our specialists install ventilation ducts, smoke extraction systems, and ventilation monoblocks for private, collective, and industrial buildings.

Our services guarantee:

• Enhanced fire safety

• Ventilation fully compliant with regulations

• System testing and validation after installation

Metal Constructions and Custom Structures

In our workshop, we also produce custom metal structures for your buildings:

• Metal walkways

• Stairs and railings

• Metal frameworks

• Industrial load-bearing structures

• Modifications and adjustments to existing structures

We combine precision, speed, and timely delivery for all projects.

A Complete Team for Your Projects in Geneva and Nyon

Depending on the season, 10 to 20 qualified professionals join our team to provide:

• Comprehensive project management

• Fast and coordinated interventions

• Personalized support for private clients, architects, and installers

We handle all your chimney, flue, ventilation, and metal structure projects from start to finish.

Why Choose Gaznox SA?

• Over 30 years of experience in fireplaces, chimney linings, and ventilation

• Solutions for private clients, professionals, and architects

• Service across Geneva and Nyon

• Careful, durable, and standards-compliant work

• Expertise in traditional fireplaces and modern installations

• Full project management without subcontracting

Contact Gaznox SA

For a quote, consultation, or further information about our chimney linings, fireplaces, ventilation systems, or metal structures, contact us today.

Gaznox SA – Your trusted partner for chimney linings, stove installations, and masonry fireplaces in Geneva and Nyon.