Plumbing & Building Services in
Therwil

Gschwind & Spiegel Haustechnik AG

Since 1999 · 1–10 empl.·4.6(10)

The core activity of Gschwind & Spiegel is sanitary technology, specifically the installation, maintenance and repair of sanitary systems in houses and buildings, including the renovation of bathrooms and the installation of modern sanitary systems.

A. Lenz AG

Since 1968 · 1–10 empl.

A. Lenz AG is a plumbing and sheet-metal company that provides sanitary, heating and ventilation services, including repairs, maintenance and installations. Services listed on the website include boiler and solar installations, bathroom and kitchen fittings, heat pump and underfloor heating systems, and water treatment and filter services.

SO Haustechnik GmbH

Since 2015 · 1–10 empl.

The core activity of SO Haustechnik GmbH is the planning, installation and maintenance of heating systems, particularly heat pumps, wood heating systems and solar systems, for private and commercial customers in the Basel region.

Müller & Partner Planungsbüro GmbH

Since 2021 · 1–10 empl.

The core activity of Müller & Partner GmbH is the planning and coordination of heating, ventilation, air conditioning and sanitary technology (HVAC) for various construction projects, including new buildings, renovations and refurbishments. The company also offers additional services such as analyses, concepts, owner representation, quality assurance, project management and technical construction management.

Christian Brunner

Since 1991 · 1–10 empl.

HESI AG

Since 2023 · 1–10 empl.

T&M Heizung Sanitär Inhaber Thomas Meier

Since 2024 · 1–10 empl.

Varmio GmbH

Since 2026 · 1–10 empl.