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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsNiederwil SgKeller Gebäudetechnik GmbH
Keller Gebäudetechnik GmbH Logo
Verified· 3 sources

Keller Gebäudetechnik GmbH

Summary

About the company

Keller Gebäudetechnik GmbH provides planning, installation and maintenance of heating systems, including air‑to‑water and ground‑probe heat pumps, wood‑fired heating, thermal solar systems and gas and oil heating solutions.

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Products & services

Industry:Solar & Photovoltaics
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8
Heating systems
Heating solutions for new builds, conversions, renovations and service; consulting, planning, installation and maintenance of systems for buildings.
Air-to-water heat pumps
Heat pumps that extract heat from the outdoor air and heat water for space heating and domestic hot-water production; suitable for new builds and renovations.
Ground-source heat pumps
Heat pumps that use geothermal heat from the ground to heat and cool buildings; suitable for new builds and renovations.
Solar thermal systems
Solar systems for heating water or heating fluid for heating support and domestic hot-water production; with collectors, storage tanks and control systems.
Wood heating systems
Wood heating systems for firewood, pellets or wood chips; for space heating and domestic hot water in single-family homes, multi-family buildings as well as commercial and industrial properties.
Gas and oil heating systems
Conventional heating systems with natural gas or heating oil for residential and commercial properties; suitable for new builds, modernization and combination with solar thermal.
Bivalent heating
Combined heating systems with two energy sources, such as a heat pump and a gas or oil heating system, or solar thermal and a wood boiler.
Heat distribution
Heat distribution systems for heating, such as radiators, underfloor heating and ceiling radiant panels, for different buildings and room uses.
Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle520
★TrustpilotSoon
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Location

Flawilerstrasse 8
9203 Niederwil Sg
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-399.270.490
Founded
2016 · 10 years
Last commercial register change
January 13, 2026
Employees
1 to 10

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