Heating installer in
Therwil

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

Companies

All 6 companies in Therwil

Emil Handschin AG Logo

Emil Handschin AG

Since 1986 · 1–10 empl.4.7(15)

Emil Handschin AG provides plumbing installation and sheet-metal work. Its services also include flat and pitched roofing, lightning protection, and the planning, installation, maintenance and repair of heating systems.

Heating installerSanitary plumbing workSheet metal worksFlat roofing
ranQ Trust Score 4.3 out of 5.0, rated Very high, Rank #1
A. Lenz AG Logo

A. Lenz AG

Since 1968 · 1–10 empl.

A. Lenz AG provides plumbing and heating services. Its work includes installations, repairs and maintenance, as well as heating system planning and refurbishment.

Building services engineerPlumbing workHeating workVentilation work
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #2
SO Haustechnik GmbH Logo

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.

Heating installer
ranQ Trust Score 4.1 out of 5.0, rated High, Rank #3
Brenntech GmbH Logo

Brenntech GmbH

Since 2010 · 1–10 empl.5.0(2)

Brenntech GmbH provides heating system services for oil- and gas-fired systems. Its services include repairs and system renovations, burner maintenance and combustion inspections, as well as boiler installation, descaling and repairs.

Heating installerHeating systemsHeat pumpsOil/Gas burner service
ranQ Trust Score 4.0 out of 5.0, rated High, Rank #4
TH

T&M Heizung Sanitär Inhaber Thomas Meier

Since 2024 · 1–10 empl.

Heating installer
No score yet
VG

Varmio GmbH

Since 2026 · 1–10 empl.

Heating installer
No score yet

Heating installer in Therwil

6Heating installerCommercial register (Zefix) · as of November 15, 2026
2015Median year of registrationCommercial register (Zefix) · as of November 15, 2026
196in the Canton of Basel-CountryCommercial 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