Photovoltaics in
Carouge GE

Hélios Energies SA

Since 2012 · 1–10 empl.·4.9(123)

Hélios Energies SA installs photovoltaic systems and heat pumps, and provides heating and hot-water solutions. Its services also include heat-pump maintenance and the coordination of installation work and related administrative procedures.

Cap Energie SA

Since 2015 · 1–10 empl.·4.8(76)

Cap Energie SA specialises in renewable energy and energy-efficient building renovations. It plans and installs photovoltaic panels, heat pumps, thermodynamic water heaters, storage batteries and electric-vehicle charging stations, and handles related administrative procedures and installation coordination.

Bosson + Rapo SA

Since 1987 · 1–10 empl.·4.5(8)

Bosson + Rapo SA installs and maintains heating systems and provides energy monitoring and optimisation. Its services include heat pumps, wood and pellet boilers, solar thermal systems, and the installation and inspection of fuel tanks.

Erte Ingénieurs Conseils SA

Since 1990 · 1–10 empl.

Erte Ingénieurs Conseils SA is an engineering consultancy specialising in building services. It plans, calculates, coordinates, installs and optimises heating, ventilation, air-conditioning, sanitary, electrical and solar-energy systems, and provides studies, construction supervision and maintenance.

Egidex SA

Since 1989 · 1–10 empl.

Egidex SA is a photovoltaic distributor supplying installers with solar modules, inverters, mounting systems, batteries and cabling, and offering customer support plus delivery and pickup options.

PermaLife Energy Sàrl

Since 2024 · 1–10 empl.

PermaLife Energy Sàrl plans and installs photovoltaic systems and supplies products for both grid-connected and off-grid solar installations. Its services also include maintenance, remote monitoring and after-sales support for solar systems.

ECR Engineering Sàrl

Since 2025 · 1–10 empl.

ECR Engineering Sàrl is an engineering and consulting firm specialising in building services and energy. It designs and sizes heating, ventilation, air-conditioning, plumbing and electrical systems, as well as photovoltaic and geothermal installations, and provides energy optimisation services.

COUFERAP Solar Sàrl

Since 2025 · 1–10 empl.

NEXIAH PROJECTS Sàrl

1–10 empl.

NEXIAH PROJECTS Sàrl plans and implements technical solutions in photovoltaics, electric-vehicle charging, telecommunications and fibre-optic infrastructure, and elevators. It also provides industrial maintenance and supports projects from technical study through implementation.

Eco Plus Energie Sàrl

Since 2010 · 1–10 empl.

Eco Plus Energie Sàrl is a photovoltaic services provider offering project planning, turnkey installation and maintenance of solar panel systems. Services include project assessment, customized proposals, assistance with subsidy applications, installation and after-sales support for residential and commercial clients.

Planair SA

Since 2013 · 1–10 empl.

PF Pôle Froid Énergies Sàrl

Since 2022 · 1–10 empl.