Plumbing & Building Services

Fuga Sàrl 

Courrendlin · Since 2024

Fuga Sàrl specialises in sanitary and heating services. The company provides sanitary installations (bathrooms, toilets), heating installation, maintenance and repairs, emergency call-outs, and personalised advice and quotes.

loonica gmbh 

Obergerlafingen · Since 2013

The core activity of loonica GmbH is the planning, installation and maintenance of technical systems for controlling climatic conditions in buildings, particularly heating systems, air conditioning systems, humidifiers, ventilation systems and power generators. The company also provides technical support and service, and offers a comprehensive range of solutions to meet the needs of its customers.

LoReL GmbH 

Zug · Since 2020

LoReL GmbH provides plumbing and heating services including planning, installation, maintenance and repair. Offerings include sanitary/plumbing installations, bathroom renovations, water softeners and heater servicing, boiler refurbishments, heat pumps, underfloor heating and regular servicing.

Louis Dougoud S.A. 

Yverdon-Les-Bains · Since 1985

Louis Dougoud S.A. sells faucets, fountain spouts and drains as well as spare parts, and provides workshop services including repairs and custom machining.

LR Technique Sanitaire Sàrl 

Sullens · Since 2022

The core activity of LR Technique-Sanitaire Sàrl is the planning, execution and supervision of heating, ventilation and sanitary (CVS) installations, as well as consulting and expertise in the field of ecological and sustainable building. The company offers services such as project development, cost estimation, tendering, construction supervision and acceptance, and works closely with architects, engineers and builders to ensure a harmonious and efficient execution of construction projects.

LSH Gebäudetechnik GmbH 

Wohlen Ag · Since 2022

LSH Gebäudetechnik GmbH is a building services company focusing on ventilation, sanitary installations, heating and insulation. The company provides planning, installation and maintenance services for residential, commercial and industrial projects and delivers technical solutions across the project lifecycle.

LS plus AG 

Baar · Since 2018

The core activity of LS+ is the planning and consulting of building technology, particularly in the areas of heating, ventilation, sanitation and refrigeration. The company offers comprehensive services, from consulting to planning and implementation of projects in the mentioned areas, for both residential construction and industrial and commercial facilities.

Luma Haustechnik 

Ostermundigen · Since 2021

The core activity of Luma Haustechnik is the planning, installation, maintenance and repair of heating, ventilation and sanitary systems, as well as the provision of services such as boiler descaling.

Lüthi Haustech GmbH 

Spiez · Since 2022

The core activity of Lüthi Haustech GmbH is the planning, installation and maintenance of sanitary and heating systems. The company also provides services in the field of system protection and wall cladding.

Lüthisan.ch Sanitäre Anlagen Thomas Lüthi 

Herzogenbuchsee · Since 2014

The core activity of Lüthisan is the installation, maintenance and repair of sanitary facilities, including unclogging, boiler descaling and other services in the field of sanitary technology. The company offers a 24-hour emergency service and focuses on customer satisfaction through optimal service.

Lutz Bodenmüller II GmbH 

Beggingen · Since 2013

Lutz Bodenmüller II GmbH is a building services company offering heating, sanitary, solar energy and ventilation services. Its activities include consulting and planning, maintenance/service work, and a 24-hour emergency service for sanitary, heating and solar systems.

Lutz installaziuns SA 

Disentis/Mustér · Since 1999

Luxra International AG 

Eschenz · Since 2014

Mächler Haustechnik AG 

Bern · Since 2017

The core activity of Mächler – Sanitär Service Solar AG encompasses the installation, repair and maintenance of sanitary systems, heating systems and solar systems, as well as the provision of service and consulting services in the field of energy efficiency and building physics.

Mächler Wärmetechnik GmbH 

Siebnen · Since 2017

Mächler Wärmetechnik GmbH is a service company specializing in the planning, installation, maintenance, and renovation of heating systems. The core activities include: * Renovations of heating systems in single-family and multi-family homes * Installation and maintenance of heat pumps, hybrid systems, air conditioning systems, wood heating systems (log wood) and solar systems * Sales and distribution of heat technical systems * Maintenance and repair work on heating systems * Combustion control, boiler descaling and oil line renovation The company offers a comprehensive range of services in the field of heat technology and positions itself as a competent partner for heating installations and renovations.

MAGNUS-CHABLAIS Sàrl 

Bex · Since 2015

The core activity of Magnus Chablais Sàrl is the installation, renovation and maintenance of sanitary facilities and heating systems, including the areas of: bathroom and kitchen installation and renovation, installation and maintenance of heating systems, including floor heating, heat pumps and gas or oil heating systems, maintenance and repair of sanitary facilities and heating systems, and emergency repair (dépannage) of sanitary facilities and heating systems 7 days a week.

Maintenance Mugny & Marguet S.A. 

Fribourg · Since 1985

Maintenance Mugny & Marguet S.A. provides repair and maintenance services for technical installations, including troubleshooting and servicing of equipment.

Maliqinelli HLKS GmbH 

Baar · Since 2023

The core activity of Maliqinelli HLKS GmbH is the planning, installation and maintenance of heating, ventilation, air conditioning and sanitary systems in the Zurich region. The company offers a range of services in these areas, including the installation of split air conditioning systems, mobile air conditioning units and central air conditioning systems, as well as providing solutions for sanitary needs.

MAM Entfeuchte- und Wassertechnik GmbH 

Klosters Dorf · Since 2025

MAM Entfeuchte- und Wassertechnik GmbH provides technology and services for building drying and remediation of moisture damage. Offerings include cause analysis and moisture measurements, installation of drying systems (including the electromagnetic 'Entfeuchtungs-Perle'), monitored drying with data recording, and equipment and drying guarantees.

Mannhart Gebäudetechnik AG 

Turbenthal · Since 2004

Mannhart Gebäudetechnik AG plans, installs and renovates heating, sanitary and ventilation systems for private clients, public institutions and commercial businesses. Services include heat pumps, oil and wood heating systems, solar installations, bathroom renovations and controlled residential ventilation.