Plumbing & Building Services in
Gerlafingen

JAJA Haustechnik AG

Since 2018 · 21–50 empl.·4.8(45)

JAJA Haustechnik AG is an execution company in energy and building technology, providing planning, installation and maintenance of heating, sanitary, ventilation and flat‑roof systems. The company also provides energy consulting and supports projects from concept through implementation and ongoing maintenance.

JAJA Generalbau AG

Since 2020 · 11–20 empl.·4.8(45)

JAJA Generalbau AG is a building-services company active in energy and building technology, providing sanitary, heating, ventilation, flat-roof construction, planning and energy consulting services.

Rudolf Wyttenbach GmbH

Since 2003 · 1–10 empl.·3.0(2)

The core activity of Rudolf Wyttenbach GmbH is the planning, consulting and implementation of rainwater and wastewater systems, including the storage, infiltration, retention and use of rainwater for various purposes such as garden irrigation, toilet flushing, washing machines and general service water. The company also offers products and services for the storage of spring water, drinking water and wastewater, as well as the installation of pumps and filters.

AJ Technik GmbH

Since 2022 · 1–10 empl.·5.0(4)

The core activity of AJ Technik GmbH is the installation, maintenance, repair and assembly of refrigeration, air conditioning, ventilation and sanitary systems, including air conditioning systems, refrigerators, cooling cells, ventilation technology, bathrooms, wet cells and sanitary fittings.

Sollberger & Co AG

Since 1994 · 1–10 empl.·3.9(7)

The core activity of Sollberger & Co. AG is the installation, repair and maintenance of sanitary and heating systems, including the installation and maintenance of floor pipes and drinking water supply systems.

Thermova Haustechnik AG

Since 2026 · 1–10 empl.

Thermova Haustechnik AG provides plumbing, heating, ventilation and air-conditioning services for new builds, conversions and renovations. The company plans, installs and maintains systems including heat pumps, bathroom renovations, heating replacements, comfort ventilation and exhaust air systems.

Jensen Bau + Technik

Since 2026 · 1–10 empl.

Jensen Bau + Technik provides plumbing installations, pipe service, heating and boiler work, as well as general building technology and conversion services. The company also carries out bathroom renovations, repairs, and a 24/7 emergency service for water damage, blockages, and leaks.

E&M Haustechnik GmbH

Since 2023 · 1–10 empl.

EhrBar B. Ehlert

Since 2023 · 1–10 empl.

AMM Haustechnik GmbH

Since 2025 · 1–10 empl.

ELNER Inh. Murtishi

Since 2025 · 1–10 empl.