Photovoltaics in
Niederuzwil

H. Lenz AG

Since 1993 · 11–20 empl.·4.6(28)

H. Lenz AG plans, supplies, installs and maintains heating and solar systems and building technology. The company manufactures custom solar collectors and provides consulting and solutions for heating systems, heat distribution and solar energy.

Lenz Heiner

Since 1988 · 11–20 empl.·4.6(28)

Lenz Heiner provides planning, supply, installation and maintenance of heating and solar systems, including custom-made solar collectors and heating rails. Offerings include photovoltaic and solar-thermal systems, heat pumps, floor/wall/ceiling heating solutions and technical after-sales support.

Heatplan GmbH

Since 2021 · 1–10 empl.

Heatplan GmbH plans heating and solar systems and provides energy advice and project management in building and energy technology. Its services include energy assessments, energy certificates, subsidy applications, and specialist construction management for heating and solar projects.

LENI Elektrotechnik GmbH

Since 2020 · 1–10 empl.

LENI Elektrotechnik GmbH provides electrical services, including electrical installations for houses and apartments and lighting solutions. Its services also include photovoltaic systems, electric vehicle charging stations, smart home systems and network infrastructure.

FBE Bau GmbH

Since 2020 · 1–10 empl.

Solarwasch.ch Csaba Pók

Since 2025 · 1–10 empl.