Heating installer in
Flawil

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

Companies

All 6 companies in Flawil

Seiz Haus- und Industrietechnik AG Logo

Seiz Haus- und Industrietechnik AG

Since 1997 · 21–50 empl.5.0(5)

Seiz Haus- und Industrietechnik AG plans and installs heating and ventilation systems and pipelines for residential and industrial buildings. Its services also include alternative heating systems and maintenance of building-services installations.

Air conditioningHeating SystemsVentilation SystemsPiping Construction
ranQ Trust Score 4.2 out of 5.0, rated Very high, Rank #1
Novo Therm GmbH Logo

Novo Therm GmbH

Since 2024 · 1–10 empl.5.0(6)

Novo Therm GmbH provides services for heating, heat pump and plumbing systems. Its work includes planning, installation, maintenance and renovation, as well as repairs and a 24/7 emergency service.

Heating installerHeating & heat pump technologySanitary installationsService and emergency
ranQ Trust Score 3.9 out of 5.0, rated High, Rank #2
SoHa Haustechnik GmbH Logo

SoHa Haustechnik GmbH

Since 2023 · 1–10 empl.5.0(4)

SoHa Haustechnik GmbH carries out work on heating systems, heat pumps, underfloor heating, ventilation and plumbing installations. Its services also include bathroom renovations, pipe fitting, maintenance and repairs.

Heating installerHeating systemsUnderfloor heatingVentilation
ranQ Trust Score 3.8 out of 5.0, rated High, Rank #3
TI

Termo Instalacion Ramjanc

Since 2017 · 1–10 empl.

Heating installer
No score yetVG

Veltera GmbH

Since 2024 · 1–10 empl.

Renovation
No score yetTA

Tiba AG

Since 2024 · 1–10 empl.

Heating installer
No score yet

Heating installer in Flawil

6Heating installerCommercial register (Zefix) · as of November 15, 2026
2024Median year of registrationCommercial register (Zefix) · as of November 15, 2026
299in the Canton of St. GallenCommercial 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

Largest places

St. Gallen28Wil SG12St. Margrethen SG9Buchs SG8Oberuzwil8Au SG7Oberriet SG7Gossau SG7Jona7Widnau6
Industry axis

Heating installer in other places

Heating installer across Switzerland
St. Gallen28Wil SG12St. Margrethen SG9Buchs SG8Oberuzwil8Au SG7Oberriet SG7Gossau SG7Jona7Widnau6Goldach6Wittenbach6Abtwil SG6Diepoldsau5Niederuzwil5

By canton

Canton of Zurich723Canton of Bern552Canton of Vaud512Canton of Aargau394Canton of St. Gallen299Canton of Valais295Canton of Ticino279Canton of Fribourg252Canton of Lucerne235Canton of Geneva220Canton of Basel-Country196Canton of Thurgau176Canton of Solothurn174Canton of Grisons171Canton of Zug112Canton of Neuchâtel105Canton of Schwyz104Canton of Jura72Canton of Appenzell Outer Rhodes41Canton of Schaffhausen39Canton of Obwalden25Canton of Glarus24Canton of Nidwalden23Canton of Uri15Canton of Appenzell Inner Rhodes14
Place axis

Other industries in Flawil

All companies in Flawil
Real estate company36Holding company29Restaurant25Property developer19Car dealership17Garage16Property management16Online shop16Cleaning company14Wholesale14Software developer13Real estate agent13Architect12Carpenter12Accountant12IT service provider12Management consultant11Timber construction11Mechanical engineering11Building contractor10Plumber10Construction manager9Plasterer9Hairdresser9Building materials dealer9Renovation8Painter8Tiler8Beauty salon8Continuing education provider8General contractor7Electrician7Metalwork7Metal processor7Transport company7Machine repair6Engineer6Kitchen construction6Roofer6Sheet metal worker6Web agency6Caterer6Coach5Testing and inspection body5Building services engineer5Interior fit-out5CNC machining5Caretaker service5