Air conditioning in the
Canton of Valais

VENTNET Sàrl

Since 2003 · 1–10 empl.

VENTNET Sàrl provides hygiene and maintenance services for ventilation systems. Its services include inspections, cleaning and degreasing of air ducts, audits, and indoor air quality analysis.

Lamatec SA

Since 2009 · 1–10 empl.

Lamatec SA plans and builds swimming pools, spas, saunas and steam rooms, and provides renovation and maintenance services for them. Its other activities include pool and spa covers, pergolas, mobile conservatories and terrace enclosures, as well as heating, ventilation and air-conditioning installations.

BUCHARD SA

Since 2009 · 1–10 empl.

BUCHARD SA works in heating and cooling, ventilation and air conditioning, plumbing, and sheet-metal and roofing. Its services also include control systems, building telematics, energy management, maintenance and repairs.

Bianco SA, succursale de Leytron

Since 2013 · 51–100 empl.

Bianco SA, succursale de Leytron is a branch of a company specialising in plumbing, heating and ventilation systems. Its services include installation, maintenance and repair, as well as plumbing and heating call-outs.

Zufferey Sàrl

Since 2016 · 1–10 empl.

Zufferey Sàrl provides heating, plumbing and air-conditioning services. Its activities include installing, maintaining and repairing boilers and heat pumps, as well as plumbing systems, water treatment and central vacuum systems.

Thermocast Sàrl

Since 2016 · 1–10 empl.

Thermocast Sàrl plans and installs heat-pump heating systems, air-conditioning systems and solar thermal systems. Its services also include commissioning, maintenance, repairs and the renovation of existing heating systems.

SM Pro Wärme GmbH

Since 2016 · 1–10 empl.

SM Pro Wärme GmbH provides heating and climate-control solutions, including installations, renovations and servicing. Its services include oil-fired heating maintenance, control systems, heat pumps and air-conditioning systems.

CARROZ SA

Since 2017 · 1–10 empl.

Carroz SA is engaged in the installation, maintenance and repair of sanitary, heating and ventilation systems.

I T B Thermeau Sàrl

Since 2017 · 11–20 empl.

I T B Thermeau Sàrl provides building engineering services in plumbing, heating, ventilation and air conditioning. Its work includes installing and maintaining heat pumps, wood- and gas-fired heating systems, plumbing installations and air-conditioning systems.

Hot N Cold SA

Since 2017 · 1–10 empl.

Hot N Cold SA provides repair, maintenance and sales services for gas and oil burners, as well as services for refrigeration and heating systems. Its activities also include regulation and remote control.

Raphaël Masserey Sàrl

Since 2019 · 1–10 empl.·5.0(7)

Raphaël Masserey Sàrl installs and services heating, plumbing, ventilation and air-conditioning systems, as well as renewable-energy equipment. It plans projects for new buildings and renovations and provides feasibility studies, plans and quotations.

Kälte-Stern AG

Since 2020 · 11–20 empl.

The core activity of Kältering AG is the development, manufacture and distribution of refrigeration equipment and systems, including commercial refrigeration, industrial refrigeration, air conditioning, split air conditioning systems, heat pumps and energy technology. In addition, the company offers services such as consulting, planning, installation, commissioning, service and monitoring.

Air Vision Sàrl

Since 2020 · 1–10 empl.

Air Vision Sàrl designs, supplies and installs ventilation systems for homes and businesses. It also maintains, repairs and upgrades existing installations.

Thermo Hydraulique Sàrl

Since 2024 · 1–10 empl.·5.0(26)

Thermo Hydraulique Sàrl provides plumbing, heating, ventilation and renovation services. Its work also includes automatic irrigation, central vacuum systems, installation, maintenance and repairs.

DuoTech Sàrl

Since 2006 · 1–10 empl.·4.4(9)

DuoTech Sàrl provides building engineering services in heating, plumbing and ventilation. Its work includes planning, installing, maintaining and renovating systems.

Frialp SA

Since 1998 · 11–20 empl.·4.0(11)

Frialp SA designs, installs, sells and maintains refrigeration and air-conditioning systems for industrial, commercial and private customers. Its services also include technical advice, project studies, repairs and heat pumps.

GD Climat SA

Since 1982 · 51–100 empl.·4.0(1)

GD Climat SA plans, installs and maintains building services systems for heating, ventilation, cooling and air conditioning, as well as automation and industrial piping. It also provides technical planning and optimisation of these systems.

Léonard Roduit Sàrl

Since 2007 · 1–10 empl.·4.7(6)

Léonard Roduit Sàrl provides building services for plumbing, heating and ventilation systems. It installs, maintains and repairs these systems for new construction and renovation projects, including heat pump heating and solar thermal installations.

Valcalorie SA

Since 1965 · 21–50 empl.·4.1(8)

Valcalorie SA plans and delivers building-services projects for new buildings and renovations. It advises on, designs, installs and maintains heating, cooling, ventilation, air-conditioning and sanitary systems, and provides service and technical solutions for industrial facilities.

BESTAZZONI SA

Since 2010 · 1–10 empl.·3.7(11)

BESTAZZONI SA provides heating, plumbing, ventilation and air-conditioning services. Its activities include installing and maintaining heat pumps, solar systems and industrial piping, as well as technical studies and repair services.

San'it Sàrl

Since 2011 · 1–10 empl.·5.0(5)

San'it Sàrl provides plumbing, heating and ventilation services. Its work includes sanitary installations, heat pumps, boilers, underfloor heating, repairs and troubleshooting.

Imwinkelried Lüftung und Klima AG

Since 1994 · 51–100 empl.·5.0(1)

Imwinkelried Lüftung und Klima AG is a building services company focused on ventilation and air conditioning. It advises on, plans, installs and maintains building systems, and also provides customer service, building automation and ventilation cleaning.

AC Energies SA, succursale du Valais

Since 2016 · 11–20 empl.·5.0(2)

AC Energies SA, succursale du Valais operates in building services and energy systems. It plans, installs and maintains heating, ventilation, air-conditioning and plumbing systems, and provides engineering, repair and after-sales services.

Quiquerez Froid Sàrl

Since 2022 · 1–10 empl.·5.0(7)

Quiquerez Froid Sàrl installs refrigeration systems, air-conditioning systems and heat pumps. Its services also include advice and sales, maintenance and repairs, and the rental of refrigeration equipment.

Sys-TechConcept Sàrl

Since 2018 · 1–10 empl.·5.0(3)

Sys-TechConcept Sàrl designs and installs ventilation and air-conditioning systems for public and private buildings. Its services also include maintenance and air treatment, such as industrial dust removal, dehumidification and particle filtration.

warm und kalt GmbH

Since 2022 · 1–10 empl.

warm und kalt GmbH provides heating and climate-control installation services.

GD Climat SA

Since 2015 · 11–20 empl.·4.0(1)

GD Climat SA is a building-services company working in heating, ventilation, cooling and air conditioning, building automation, and industrial piping. Its services include planning, installation, maintenance, and optimisation of technical systems.

GD Climat SA

Since 2015 · 11–20 empl.·4.0(1)

GD Climat SA is a building-services company specialising in heating, ventilation, cooling and air-conditioning systems. Its activities include planning, installation and maintenance, as well as building automation, industrial piping and optimisation of technical systems.

SNE Groupe SA

Since 2023 · 1–10 empl.

SNE Groupe SA provides renewable energy and building services. Its activities include the sale and installation of photovoltaic systems, heat pumps, air conditioning, insulation and solar carports, as well as after-sales service for photovoltaic installations.

MawaTherm AG

Since 2018 · 1–10 empl.·5.0(1)

MawaTherm AG provides services for heat pumps and air-conditioning systems. Its work includes fault diagnosis, commissioning, refrigerant pipe installation, servicing, maintenance and repairs.

Arcticlimat Swiss Sàrl

Since 2006 · 1–10 empl.·3.5(2)

The core activity of Arcticlimat Swiss Sàrl consists of planning, installing, maintaining and repairing refrigeration, air conditioning and heat pump systems for the commercial sector, including providing emergency services.

Energi.eau Sàrl, succursale de Saxon

Since 2021 · 11–20 empl.·4.2(5)

Energi.eau Sàrl, succursale de Saxon works in heating, plumbing and ventilation. Its services include planning and installing heating and cooling systems, water supply and wastewater systems, and building services and energy-efficiency projects.

JM Sarrasin SA, Succursale de Verbier

Since 2025 · 51–100 empl.

JM Sarrasin SA, Succursale de Verbier operates in the building trades, carrying out roofing, façade, waterproofing and sheet-metal work. Its services also include plumbing, heating and ventilation installations, maintenance, energy assessments and support with grant applications.

FP Climat Sàrl

Since 2014 · 1–10 empl.·3.2(13)

FP Climat Sàrl plans, installs and maintains air-conditioning, ventilation, heating and plumbing systems. Its services also include renovations, repairs, leak detection and drying after water damage.

TECHNI-THERM Masserey

Since 2023 · 1–10 empl.·5.0(3)

TECHNI-THERM Masserey provides services for heating and ventilation systems, including maintenance and repairs. Its activities also include the sale, installation and servicing of air-conditioning systems, as well as technical assessments of heat pumps.

DEN Sanitaire Vulic

Since 2023 · 1–10 empl.·5.0(3)

DEN Sanitaire Vulic is a plumbing and heating contractor. Its services include installation, repairs, renovations and maintenance, leak detection, ventilation and air conditioning, and bathroom conversions.

MKConcept Sàrl

Since 2019 · 1–10 empl.·5.0(1)

MKConcept Sàrl is a ventilation and air-conditioning company. It advises private and business customers on suitable solutions and serves clients throughout Switzerland.

Calira AG

Since 2025 · 1–10 empl.

Calira AG plans integrated energy and building-services solutions, coordinating the different trades involved. Its work includes solutions for more efficient energy use and reducing unnecessary peak loads, including in heat pumps, heating systems and renewable energy.