Air conditioning in
Sion

Climaval SA

Since 1971 · 1–10 empl.·5.0(4)

Climaval SA designs and installs ventilation and air-conditioning systems for industrial and comfort applications. The company also manufactures custom ventilation ducts and provides maintenance, repairs and technical project planning.

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.

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.

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.

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.

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.

FL Express Sàrl

Since 2025 · 1–10 empl.

FL Express Sàrl provides installation, maintenance and repair services for sanitary systems, heating and air conditioning. Its work includes new installations and renovations, including boilers, heat pumps, plumbing and air-conditioning systems.

Froid et Climatisation L. Conti

Since 1978 · 1–10 empl.

Dépanair SA

Since 1984 · 1–10 empl.

Daren SA

Since 1992 · 1–10 empl.

DPA Sàrl

Since 2008 · 1–10 empl.