Heating installer in
Uster

14 companies in Heating installer based in Uster — name and year of registration from the commercial register. The list below shows them all.

Companies

All 14 companies in Uster

Ammann + Schmid AG, Sanitär Logo

Ammann + Schmid AG, Sanitär

Since 1965 · 1–10 empl.5.0(33)

Ammann + Schmid AG, Sanitär plans, installs, maintains and renovates heating systems for new builds, conversions and refurbishments. Its services include heat pumps, pellet and district heating systems, repairs and minor plumbing work.

Heating installerPlumbing service, maintenance and repairPlumbing installations
ranQ Trust Score 4.6 out of 5.0, rated Excellent, Rank #1
Ammann + Schmid AG, heizen mit Herz und Verstand. Logo

Ammann + Schmid AG, heizen mit Herz und Verstand.

Since 2020 · 1–10 empl.5.0(33)

Ammann + Schmid AG, heizen mit Herz und Verstand. plans, installs, maintains and renovates heating systems for new-build and refurbishment projects, and provides service, repair and minor plumbing work. Its systems include heat pumps, pellet and district heating, solar thermal, oil and natural gas heating, as well as photovoltaic installations.

Heating installerHeating planning, installation and refurbishmentHeat pump heating systemsPellet heating systems
ranQ Trust Score 4.4 out of 5.0, rated Very high, Rank #2
Sanitär Sunier GmbH Logo

Sanitär Sunier GmbH

Since 2013 · 1–10 empl.4.9(14)

Sanitär Sunier GmbH works in sanitary installations and also carries out kitchen installations. Its services cover new-build and renovation projects.

Heating installerSanitary installationsHeating installations and heating refurbishments
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #3
IWS Ideal Wärmeservice GmbH Logo

IWS Ideal Wärmeservice GmbH

Since 2000 · 1–10 empl.4.6(11)

IWS Ideal Wärmeservice GmbH provides services for heating systems, including maintenance, repairs and fault resolution for gas heating systems, oil and gas burners, and heating controls. It also performs official combustion inspections and offers spare parts, commissioning and warranty services for heating technology.

Heating installerMaintenance of heating systemsTroubleshooting of heating systemsSupport for heating systems
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #4
Stivo AG Logo

Stivo AG

Since 1972 · 1–10 empl.5.0(5)

The core activity of Stivo AG consists of planning, execution, specialist construction management and maintenance of heating, ventilation, air conditioning and refrigeration systems. This includes in particular: Heating: planning and installation of heating systems, heat pump systems, solar systems and combined heat and power plants Ventilation: planning and installation of comfort ventilation systems, industrial ventilation and welding fume extraction Air conditioning: planning and installation of comfort air conditioning systems, humidification and dehumidification and clean rooms Refrigeration: planning and installation of air conditioning refrigeration systems, server room cooling and split refrigeration systems In addition, the company also offers maintenance and servicing for all these systems, including a 24-hour emergency service for contract customers.

Building services engineerPlanning and execution of heating, ventilation, air-conditioning and refrigeration systemsMaintenance and servicing of HVACR systemsHeating systems
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #5
Grimm + Kreutzer GmbH Logo

Grimm + Kreutzer GmbH

Since 2004 · 11–20 empl.4.3(4)

Grimm + Kreutzer GmbH supplies thermal heating systems and components, including gas and oil boilers, heat pumps, solar thermal systems and pellet/wood heating. Their services include maintenance and repairs, consulting, insulation work, project planning and descaling.

Heating installer
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #6
Bassler HausTechCare Logo

Bassler HausTechCare

Since 2023 · 1–10 empl.

Bassler HausTechCare provides building services and renovation work. Its services include heating and plumbing repairs and installations, bathroom renovations with 3D and CAD planning, and complete apartment and house renovations with site management and coordination of trades.

RenovationSanitary serviceHeating serviceComplete bathroom renovation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #7
Kenzi GmbH Logo

Kenzi GmbH

Since 2022 · 1–10 empl.

Kenzi GmbH is a plumbing and heating contractor. Its services include installing, maintaining and repairing plumbing and heating systems, renovating bathrooms, and working on water and wastewater pipes.

RenovationSanitary installationSanitary service and repairsBathroom renovation
No score yet
WS

Werner Sunier, Sanitär-Gasapparate-Service + Heizungssanierungen

Since 1985 · 1–10 empl.

Heating installer
No score yet
PW

Peter Widmer, Heizungen

Since 1985 · 1–10 empl.

Heating installer
No score yet
BB

B. BERISHA Heizung + Sanitär

Since 2001 · 1–10 empl.

Heating installer
No score yet
PH

Paric Heizungen

Since 2006 · 1–10 empl.

Heating installer
No score yet

Heating installer in Uster

14Heating installerCommercial register (Zefix) · as of November 15, 2026
2006Median year of registrationCommercial register (Zefix) · as of November 15, 2026
723in the Canton of ZurichCommercial register (Zefix) · as of November 15, 2026
5,147in SwitzerlandCommercial register (Zefix) · as of November 15, 2026
Locations

Heating installer in the region

Point size by number of companies per place.

Source: commercial register (Zefix) · as of November 15, 2026