Heating installer in
Bülach

M. Fierz AG

Since 2000 · 21–50 empl.·4.7(25)

M. Fierz AG plans, installs and renovates heating and plumbing systems. Its services include heat pumps, boiler replacements, solar systems and plumbing installations, as well as maintenance and repairs.

Geri Müller GmbH

Since 2006 · 1–10 empl.·4.7(17)

Geri Müller GmbH carries out plumbing and heating installations for new buildings and renovations, and provides repairs and maintenance. Its services include heating system replacements, heat pumps, underfloor heating, bathroom renovations and water softening systems.

Dauti-Haustechnik GmbH

Since 2008 · 1–10 empl.

Dauti-Haustechnik GmbH provides heating and plumbing services. Its work includes planning, installing, renovating and maintaining heating systems, as well as plumbing, ventilation, servicing and maintenance.

Vivaqua AG

Since 2015 · 1–10 empl.·5.0(5)

Vivaqua AG provides building and home technology services. Its activities include planning, installing, maintaining and repairing plumbing, heating, ventilation and air-conditioning systems, as well as CAD project planning and 3D visualisation.

Rotondo U. Siegrist GmbH

Since 1995 · 1–10 empl.·5.0(4)

Rotondo U. Siegrist GmbH plans and installs air-conditioning systems and heat pumps for homes, wine cellars, medical practices and pharmacies. Its services also include medication refrigeration and the maintenance and disinfection of air-conditioning systems.

E. Dina GmbH

Since 2007 · 1–10 empl.

Calor GmbH

Since 2015 · 1–10 empl.

AB HAUSTECHNIK, Inh. Bosnjakovic

Since 2024 · 1–10 empl.

Neziri Haustechnik

Since 2024 · 1–10 empl.

GHS GmbH

Since 2025 · 1–10 empl.