Plumbing & Building Services in
Schlieren

27 companies in Plumbing & Building Services based in Schlieren — name and year of registration from the commercial register. The list below shows them all.

Companies

All 27 companies in Schlieren

Clima-Nova AG Logo

Clima-Nova AG

Since 2011 · 51–100 empl.5.0(14)

Clima-Nova AG provides ventilation, air conditioning and refrigeration services, including system planning, installation, maintenance, renovations and hygiene-related services.

Plumbing & Building ServicesPlanningSystem constructionService
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #1
Dober AG Logo

Dober AG

Since 2014 · 1–10 empl.4.5(36)

Dober AG carries out building services engineering projects and provides plant construction and technical service. Its offerings include planning, installation, maintenance and renovation for heating/cooling, sanitary systems, ventilation/air conditioning and bathroom refurbishments.

Plumbing & Building ServicesSystems engineering / ServiceSanitaryHeating/Cooling
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #2
Friedrich Haustechnik AG Logo

Friedrich Haustechnik AG

Since 2006 · 11–20 empl.5.0(4)

The core activity of Friedrich Haustechnik AG is the planning and consulting of building technology systems, particularly in the areas of sanitation, heating, ventilation and property drainage. The company offers customized solutions for the overall planning of modern and environmentally friendly systems and supports customers in the expert planning and execution of building technology projects.

Plumbing & Building ServicesSanitary system planningHeating system planningVentilation planning
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #3
Friedrich Gebäudetechnik GmbH Logo

Friedrich Gebäudetechnik GmbH

Since 2017 · 1–10 empl.4.4(15)

The core activity of Friedrich Gebäudetechnik GmbH is the planning, installation and maintenance of sanitary, heating and ventilation systems for private and commercial customers in the Limmattal region. The company offers comprehensive services, from consulting and project planning to the execution and maintenance of building technology systems.

Plumbing & Building ServicesSanitary installationsHeating installationsService and maintenance
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Fontech2o GmbH Logo

Fontech2o GmbH

Since 2023 · 11–20 empl.5.0(14)

The core activity of Fontech2o GmbH is building technology planning, in particular the planning and coordination of heating, ventilation, air conditioning and sanitary systems (HVAC) as well as environmental and sewage planning for residential and commercial buildings.

Plumbing & Building ServicesPlanningUtility lines3D / BIM
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #5
Hauser & Schwerzmann Haustechnik AG Logo

Hauser & Schwerzmann Haustechnik AG

Since 2018 · 21–50 empl.

The core activity of Hauser & Schwerzmann Haustechnik AG is the planning, installation, maintenance and repair of heating, ventilation and air conditioning systems. The company also offers emergency services and advises customers on the selection and replacement of heating systems.

Plumbing & Building ServicesHeatingHeating Service & RepairsHeating Emergency On-Call
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #6
NFI Gebäudetechnik AG Logo

NFI Gebäudetechnik AG

Since 2021 · 11–20 empl.

NFI Gebäudetechnik AG plans and executes building services engineering projects, providing engineering services for heating/cooling, ventilation/air conditioning, sanitary systems, electrical engineering and spatial coordination.

Plumbing & Building ServicesBuilding services planning and implementationHeating/CoolingVentilation/Air conditioning
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #7
Cool&Heat GmbH Logo

Cool&Heat GmbH

Since 2016 · 11–20 empl.4.1(11)

The core activity of Cool & Heat GmbH is the planning, sale and installation of cooling and heating solutions, particularly in the field of heat pumps, air conditioning and cooling, including refrigeration systems, cooling solutions, heat recovery and heating devices.

Plumbing & Building ServicesRefrigeration systemsAir conditioning systemsCold rooms
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #8
Abicht Zürich AG Logo

Abicht Zürich AG

Since 2018 · 11–20 empl.5.0(1)

Abicht Zürich AG provides planning and consulting services in building services engineering and energy, offering solutions in energy and sustainability, HLKSE, building automation, and fire protection and safety. The company supports integrated planning, development and operation of buildings and sites across their life cycle.

Civil Engineering FirmsServices in Architecture, Mechanical Engineering, HVAC, Electrical, Building Automation and Fire ProtectionPlanning of buildings and sites across the life cyclePlanning solutions for companies
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #9
Varitech Gebäudetechnik AG Logo

Varitech Gebäudetechnik AG

Since 2020 · 11–20 empl.5.0(5)

The core activity of Varitech Gebäudetechnik AG is the planning, implementation and maintenance of building technology systems, particularly in the fields of heating, cooling, ventilation, air conditioning and sanitary technology.

Plumbing & Building ServicesIntegrated solutionsImplementation of heating, cooling, ventilation, air conditioning and sanitaryMaintenance & service
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #10
Susuri Haustechnik GmbH Logo

Susuri Haustechnik GmbH

Since 2022 · 1–10 empl.4.7(15)

The core activity of Susuri Haustechnik GmbH is the provision of sanitary services of all kinds, including service, conversions and new constructions in the field of building technology.

Plumbing & Building ServicesSanitary servicesBuilding services for new buildsBuilding services for conversions
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #11
Gruezh AG Logo

Gruezh AG

Since 2024 · 1–10 empl.5.0(8)

The core activity of Gruezh AG is the planning, consulting, installation and maintenance of sanitary and heating systems, including a 24-hour emergency service.

Plumbing & Building ServicesBuilding services designHeating installationsSanitary installations
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #12
Wälchli Lüftung / Klima AG Logo

Wälchli Lüftung / Klima AG

Since 2008 · 1–10 empl.3.0(2)

Wälchli Lüftung / Klima AG designs, installs and services ventilation, air conditioning and refrigeration systems and provides engineering, project management and expert assessments. The company supplies systems for industry, commercial and hospitality sectors, public buildings and residential properties, and offers maintenance and monitoring/security solutions.

Plumbing & Building ServicesVentilation systemsAir-conditioning systemsRefrigeration systems
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #13
Hans Wälchli Logo

Hans Wälchli

Since 1972 · 1–10 empl.3.0(2)

Hans Wälchli designs, installs and maintains ventilation, air-conditioning and refrigeration systems, and provides engineering, monitoring and maintenance services.

Plumbing & Building ServicesVentilation systemsAir-conditioning systemsRefrigeration systems
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #14
GreenTech Solutions GmbH Logo

GreenTech Solutions GmbH

Since 2025 · 1–10 empl.

The company aims to operate a business in the field of pipe and sewage systems, including the provision of services and works as well as the performance of maintenance, renovation, and cleaning work. Furthermore, it aims to carry out construction work of all kinds, structural drying of residential and industrial buildings, as well as activities in the field of refrigeration and air conditioning technology. The company may establish branches and subsidiaries both domestically and abroad, participate in other companies, and conduct all business that is directly or indirectly related to its purpose. It may acquire, encumber, dispose of, and manage real estate both domestically and abroad. In ad

Building MaintenanceSewer CleaningSewer InspectionSewer Rehabilitation
ranQ Trust Score 3.6 out of 5.0, rated Solid, Rank #15
Polartech International AG Logo

Polartech International AG

Since 2026 · 1–10 empl.

Polartech International AG plans, installs and maintains refrigeration, air-conditioning and heat pump systems for commercial and industrial applications. The company also develops composite systems, chillers and drying systems, including in-house controls and remote monitoring.

Plumbing & Building ServicesHeat PumpsIndustrial Refrigeration SystemsCommercial Refrigeration Systems
ranQ Trust Score 3.5 out of 5.0, rated Solid, Rank #16
ASIGA GmbH Logo

ASIGA GmbH

Since 2019 · 1–10 empl.

Plumbing & Building Services
No score yet
I&

I & S Sanitär & Heizung GmbH

Since 2013 · 1–10 empl.

Plumbing & Building Services
No score yet
LH

Ledi Haustechnik GmbH

Since 2013 · 1–10 empl.

Sealing & Insulation
No score yet
KH

Kälin Haustechnik

Since 2017 · 1–10 empl.

Plumbing & Building Services
No score yet
MG

MEGA-tech GmbH

Since 2020 · 1–10 empl.

Plumbing & Building Services
No score yet
DM

Davor Misulin

Since 2023 · 1–10 empl.

Plumbing & Building Services
No score yet
EC

E Circle Services GmbH

Since 2023 · 1–10 empl.

Technical Consulting & Engineering
No score yet
KH

Kelic Heizung + Kälte

Since 2023 · 1–10 empl.

Plumbing & Building Services
No score yet
KG

Klimaart GmbH

Since 2025 · 1–10 empl.

Technical Consulting & Engineering
No score yet
RB

RenoX Bau GmbH

Since 2025 · 1–10 empl.

Building Construction
No score yet
3K

3A Kaliqi Gmbh

Since 2025 · 1–10 empl.

Plumbing & Building Services
No score yet

Plumbing & Building Services in Schlieren

27Plumbing & Building ServicesCommercial register (Zefix) · as of October 11, 2026
2020Median year of registrationCommercial register (Zefix) · as of October 11, 2026
1,193in the Canton of ZurichCommercial register (Zefix) · as of October 11, 2026
8,149in SwitzerlandCommercial register (Zefix) · as of October 11, 2026
Locations

Plumbing & Building Services in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of October 11, 2026