Plumbing & Building Services

G. Caviola & Co. AG 

Reinach Bl · Since 1983

The core activity of G. Caviola & Co AG encompasses services and solutions in the following areas: Sanitary: installation, renovation and modernization of sanitary facilities; Roofing: work on roofs, facades, gutters and drainage; Heating: installation and maintenance of heating systems; Building technology: installation and maintenance of ventilation technology, photovoltaic systems and heat pumps; Bathroom renovation and refurbishment; Boiler descaling. The company offers comprehensive solutions for new construction, renovation and modernization of properties, focusing on quality, sustainability and individual adaptation to customer needs.

GD Climat SA 

Since 1993

GD Climat SA is a building services engineering company offering planning, installation and maintenance of heating, ventilation, cooling/air conditioning systems, together with automation and industrial piping services.

GD Climat SA 

Sion · Since 1982

GD Climat SA provides building services engineering, offering planning, installation and maintenance of heating, ventilation, cooling/air‑conditioning systems, automation and industrial piping. Services include HVAC design and project studies (SIA), energy dossiers and audits, system optimisation, and maintenance contracts with after‑sales support for contracted systems.

GD Climat SA 

Collombey · Since 2015

GD Climat SA provides building services engineering, offering planning, installation and maintenance of heating, ventilation and air‑conditioning systems, automation and industrial piping. Its services also include system optimisation, energy audits and MCRG (measure, control, regulate, manage) solutions.

GD Climat SA 

Sierre · Since 2015

GD Climat SA provides building services engineering, offering planning, installation and maintenance of heating, ventilation and air-conditioning systems, as well as automation and industrial piping. Services include project studies, building automation (MCRG), energy optimisation and maintenance contracts.

Gebäudetechnik-Experten GmbH 

Arosa · Since 2021

Gebäudetechnik-Experten GmbH produces technical expert reports and assessments for heating, ventilation and air‑conditioning (HVAC), refrigeration, sanitary and control (MSR) systems and for process engineering, and provides owner advisory services throughout project phases and in cases of damage or dispute.

Geberit International Sales AG 

Rapperswil Sg · Since 2004

The core activity of Geberit is the development, production and marketing of sanitary technology products and solutions, particularly in the area of bathroom ceramics and sanitary technology. The company offers a comprehensive product portfolio that ranges from fittings and sanitary ceramics to piping systems and solutions for water supply and drainage. Geberit positions itself as a leading provider of sustainable and energy-efficient solutions for the sanitary industry.

Gebr. Diener AG 

Herisau · Since 2015

The core activity of Gebr. Diener AG is water treatment and desalination for single and multi-family homes, particularly solving lime problems and protecting water pipes from corrosion through the use of high-quality products and systems such as DUO-BLOC systems, DIWA-MATIC systems, and corrosion protection systems.

Gebr. Studhalter AG 

Rothenburg · Since 1997

The core activity of Gebr. Studhalter AG encompasses the provision of services in the areas of sanitary, heating, pipeline construction and energy.

Gebrüder Ziegler AG 

Basel · Since 1987

The core activity of Gebr. Ziegler AG is the provision of services in the areas of sheet metal work, sanitary installation and sanitary planning.

Geelhaar Sanitär - Service 

Dotzigen · Since 2018

The core activity of Geelhaar Sanitär is the provision of sanitary technical services, including the installation, maintenance and repair of sanitary facilities.

Gehrig, Haustechnik 

Aarburg · Since 1998

Gehrig, Haustechnik provides plumbing, heating and sheet‑metal (spengler) services including installation, repairs, maintenance and bathroom renovations. Services listed on the website include emergency service, boiler and water‑filter work, and planning/implementation of refurbishments.

GEIER-THERMOSECOURS Sàrl 

Eysins · Since 2014

Generelli Fratelli 

Locarno · Since 1974

Geoffroy Energies Sàrl 

Meyrin · Since 2022

The core activity of Geoffroy Energies Sàrl is the optimization and maintenance of heating systems, including: Descaling (removal of deposits in heating systems), Decalcification (removal of lime scale in heating systems), Hydraulic Balancing (hydraulic balancing of heating systems), and Maintenance and servicing of heating systems. The company also offers services to improve energy efficiency and extend the lifespan of heating systems.

Geoloop Bädertechnik GmbH 

Wollerau · Since 2022

The core activity of GeoLoop Bädertechnik GmbH is the development, planning and implementation of energy-efficient swimming pool water treatment systems, particularly with the aim of minimizing energy consumption and costs for water treatment.

Geotech AG 

Unterengstringen · Since 1998

Geotech AG is a building services and general contracting company offering sanitary/plumbing, heating, ventilation and cooling installations as well as planning and project engineering. Its services include system design and installation, acting as a self-performing general contractor, and maintenance and repair services.

GERBER Infra GmbH 

Langnau Im Emmental · Since 2009

GERBER Infra GmbH provides administrative services focused on property and vehicle management and rents tools and equipment. Property services include planning and development, renovations, service charge accounting, apartment clearances and building caretaking, while vehicle services cover fleet management, servicing and maintenance.

Gerber + Partner Haustechnik AG 

Volketswil · Since 2001

The core activity of Gerber + Partner is the planning and implementation of building technology systems, including sanitary planning, heating and ventilation, for buildings.

Germann Sanitär- und Landtechnik AG 

Hörhausen · Since 2011

The company's core activity is sanitary service, including service and maintenance work, bathroom and kitchen renovations, conversion, expansion and extension projects, as well as the installation and maintenance of sanitary systems such as sewage pumps, pressure boosting systems, water softening systems and shower toilets. Additionally, the company offers pipeline construction for public and private clients.