Air conditioning in
Grand-Lancy
12 companies in Air conditioning based in Grand-Lancy — name and year of registration from the commercial register. The list below shows them all.
All 12 companies in Grand-Lancy
Devinaz SA
Since 1985 · 1–10 empl.5.0(26)
Devinaz SA is a heating and solar systems contractor. It designs, installs and maintains heating systems and photovoltaic installations, and provides services including repairs, maintenance contracts and work on heat pumps and water heaters.
Thermex SA, succursale de Lancy
Since 2010 · 51–100 empl.4.5(11)
Thermex SA, succursale de Lancy operates in building services engineering, planning, installing and maintaining heating, ventilation and air-conditioning systems. Its services also include renewable energy systems, energy recovery, building automation and technical design.
Tercier, Ventilation
Since 2015 · 1–10 empl.
The core activity of Tercier Ventilation includes the assembly, maintenance and cleaning of ventilation systems.
Maffiolo SA
Since 1989 · 11–20 empl.5.0(3)
Maffiolo SA designs, installs and maintains thermal systems. Its services include planning, servicing and repairs for heating, air-conditioning and ventilation systems, heat pumps, heat and domestic hot-water production, and cooling distribution.
Thermoptimum SA
Since 2009 · 1–10 empl.3.8(16)
Thermoptimum SA distributes, commissions, maintains and repairs climate-control and environmental technology systems. Its services cover heat pumps, solar collectors, boilers, burners, refrigeration equipment, control systems and building automation.
JJ Froid - Da Silva José
Since 2018 · 1–10 empl.
FRIGOCLIM Sàrl
Since 2021 · 1–10 empl.
De Jesus Paulos Ventilation
Since 2024 · 1–10 empl.
PRO-R Sàrl
Since 2024 · 1–10 empl.
AB VENTILATION ENERGIE SA
Since 2024 · 1–10 empl.
JJ FROID Sàrl
Since 2025 · 1–10 empl.
Léman Air Tech SA
Since 2025 · 1–10 empl.
Air conditioning in Grand-Lancy
Air conditioning in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 15, 2026
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