Solar & Photovoltaics

Bucher Eltel 

Fraubrunnen · Since 2014

The core activity of Bucher-Eltel is the sale and installation of high-quality photovoltaic and battery storage systems.

Buholzer Marcel AG 

Meggen · Since 2003

The core activity of Buholzer Marcel AG is the planning, realization and maintenance of building envelopes, including roofs, facades and photovoltaic systems. The company offers specialized services such as roofing, facade construction, photovoltaics, lightning protection, roof windows and roof maintenance.

Bulloni & Riso Sagl 

Cadenazzo · Since 2020

The core activity of Bulloni & Riso Sagl consists of planning, installing, maintaining and repairing various types of systems, including: sanitary and heating systems, solar systems, air conditioning and ventilation systems, burners and boilers, pools and their maintenance, irrigation systems, drinking water treatment, and the sale and service of burners and boilers. The company also offers various services such as pipe cleaning and decalcification, boiler maintenance, and system restructuring.

B. und H. Schuler-Rozzi, Schreinerei und Sanitäranlagen 

Bergün/Bravuogn · Since 2003

The core activity of Schuler-Rozzi encompasses three main areas: 1. **Carpentry/Joinery**: Manufacturing of carpentry products, particularly from regional solid woods, for interior finishing and furniture. 2. **Plumbing/Heating**: Installation and servicing of plumbing and heating systems, including alternative heating systems and connection to the district heating network. 3. **Solar**: Planning and installation of solar systems for the utilization of solar energy. The company thus offers a combination of traditional craftsmanship in carpentry and modern technologies in plumbing, heating and solar technology.

Burri Smart Power Solution GmbH 

Safnern · Since 2011

The company's core activity is the provision of services in the field of electrical installations, photovoltaics and solar systems.

Voltwerk AG 

Flawil · Since 2003

The core activity of Burtscher Elektro- und Gebäudetechnik AG encompasses the planning, installation, and maintenance of electrical and building technology systems, particularly in the field of renewable energies, such as photovoltaics, e-mobility, and battery storage. This also includes the installation and maintenance of solar and photovoltaic systems, energy management systems, electrical installations, household appliances, IT and network systems, as well as automation and smart home solutions.

Bym Solar GmbH 

Bern · Since 2023

The core activity of BYM Solar is the planning, installation and maintenance of solar energy solutions, particularly the installation of solar systems, to help customers reduce their energy costs and use environmentally friendly energy.

BZA AG 

Raperswilen · Since 2001

The core activity of BZA AG Solar is the planning, construction, maintenance and operation of photovoltaic systems as well as the sale of solar power. The company also offers services such as energy consulting, analysis and simulation, planning, construction, installation, maintenance and computer-based maintenance of photovoltaic systems.

BZ Montage GmbH 

Zofingen · Since 2015

BZ Montage GmbH carries out installation works for resin‑cast and metal‑enclosed busbars, cable trays and wire‑mesh cable ducts, and complete photovoltaic systems. Services include potting and testing of busbar couplings with documentation and measurement protocols, on‑site coppering and touch protection, electrical installations under an installation permit, and general assembly work.

Calstrom GmbH 

Trin Mulin · Since 2007

Calstrom GmbH designs and supplies energy and safety systems, including photovoltaic energy centers, solar thermal systems for hot water and heating, small hydropower installations (Pelton turbines) and backup generators. The company also provides automation, measurement and control (PLC) solutions and wildlife warning systems for road safety.

CamperSolar GmbH 

Unterägeri · Since 2020

The core activity of CamperSolar GmbH is the sale and delivery of solar systems, batteries and related components for motorhomes, campers and garden applications. The company also offers installation and consulting services and delivers its products directly to customers in Switzerland and Liechtenstein.

Carl Franke AG 

Rorschach · Since 1980

The core activity of Carl Franke Haustechnik AG is the planning and execution of building technology in residential and commercial construction, including: Heating: design, estimation, installation of heat generators and distribution systems Sanitary: planning and execution of water, gas, compressed air and chemical lines, swimming pools and laundry drains Industrial piping: construction of industrial and commercial piping, cooling basins, transport lines and house connections Liquefied gas: inspection and installation of liquefied gas systems Solar systems: neutral design and estimation of solar systems The company also offers services such as cost estimates, scheduling and coordination with subcontractors.

Casa-technica.ch Landolt Gebäudetechnik AG 

Näfels · Since 2001

The company "casa-technica.ch – Landolt Gebäudetechnik AG" offers a wide range of services and products in the field of building technology and envelope. The core activities include: Building envelope: roof, façade, sheet metal work, photovoltaics and building renovation; Building services: plumbing, ventilation, bathroom renovation and conversion, wellness and bathroom conversion; Rental of cranes and telehandlers; Sale of sheet metal through the platform "bestell-dein-blech.ch". The company thus offers a comprehensive range of services and products for the planning, execution and renovation of buildings and their technical systems.

Catech - Capella Technologies 

Brione Sopra Minusio · Since 2008

The core activity of CATECH is the planning, installation and maintenance of solar systems, as well as the provision of services in the field of renewable energies. The company offers comprehensive solutions for the realization of solar projects, including project development, procurement of materials, installation and maintenance of systems. In addition, CATECH also provides services such as obtaining permits and performing maintenance work.

cbsolar ENGINEERING Sàrl 

Vallamand · Since 2011

The core activity of cb solar Engineering Sàrl is the planning, construction and marketing of solar systems, in particular photovoltaic systems, for private and possibly also commercial customers in Switzerland.

CE Concept Energy AG 

Roggwil Tg · Since 2018

The company's core activity is the planning, installation and maintenance of energy solutions, particularly in the field of renewable energies, such as photovoltaic systems, battery storage and charging infrastructure for electric vehicles, as well as electrical services and energy management for private households and businesses.

Chaleur Solaire Guy Dafflon 

Vuisternens-En-Ogoz · Since 2015

The core activity of Sebasol is the conception, promotion and support of solar thermal systems for hot water preparation and building heating. The company offers training and consulting services for self-builders and also installs solar thermal systems. Additionally, it develops and experiments with new systems and applications for solar thermal energy.

Chapuis & Zürcher AG 

Bern · Since 1980

The core activity of Chapuis + Zürcher AG is the provision of services and solutions in the fields of sanitary technology, heating technology, plumbing, roofing and solar energy. Specifically, this includes the planning, installation, maintenance and repair of: sanitary facilities (bathroom, kitchen, water treatment, gas), heating systems, plumbing work, roofing, photovoltaic systems and solar thermal systems. The company also offers an emergency service for sanitary and heating systems and operates a sales outlet for sanitary materials.

Christen Bedachungen/Fassadenbau AG 

Rüegsauschachen · Since 1995

The core activity of Christen Bedachungen/Fassadenbau AG encompasses the planning, consulting and realization of various works in the field of building envelopes, particularly: roofing (pitched roof, flat roof), facade construction, PV systems (photovoltaic systems), scaffolding, maintenance work, thermal insulation, and skylights. Additionally, the company offers a regular roof inspection service to identify and address potential issues early on.

Christoffel Sanitär-Heizung AG 

Scuol · Since 2022

The core activity of Christoffel Sanitär-Heizung AG is the execution of sanitary, heating and ventilation work, including consulting and installation of sanitary facilities and ecological heating systems.