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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsSt. Margrethen SgDolder Wärmetechnik AG
Dolder Wärmetechnik AG Logo
Verified· 3 sources

Dolder Wärmetechnik AG

Summary

About the company

Dolder Wärmetechnik AG manufactures and develops heat pumps and heat-recovery systems and produces associated control cabinets and regulation technology. The company provides planning, delivery, installation, commissioning, maintenance and repair of heating, ventilation, air-conditioning and cooling systems, offering system solutions including brine/water, water/water, air/water, exhaust-air and wastewater heat-pump configurations for residential, commercial and industrial projects.

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Products & services

Industry:Solar & Photovoltaics
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Heat pump and heat recovery systems
Heat pump and heat recovery systems for single-family homes, multi-family buildings, commercial and industrial facilities; brine, water, air, exhaust-air and wastewater solutions including system combinations.
Planning and engineering of heating, ventilation, air-conditioning and refrigeration systems
Design of the preliminary project, detailed engineering and review including calculations, sizing and schematics for heating, ventilation, air-conditioning and refrigeration systems.
Development and production of heat pumps, controls and ventilation components
Development and production of heat pump systems, control panels, controls, combined control systems as well as complex ventilation components and heat recovery units.
Delivery and installation
Delivery and installation of the systems as part of the overall projects to cover implementation of the planning up to commissioning from a single source.
Commissioning, service, maintenance and repair
Commissioning, service, maintenance, fault rectification, repairs as well as replacement and upgrades for systems over their entire service life.
Special solutions
Special solutions for monofluid and direct-expansion heat pumps, commercial refrigeration with waste-heat recovery, as well as ventilation and dehumidification units for indoor pools and indoor baths.
Reviews

Aggregated rating

Aggregated rating
3.2
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle3.213
★TrustpilotSoon
PProvenExpertSoon

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Location

Fährenstrasse 3a
9430 St. Margrethen Sg
Opening hours
Mon
08:00 - 12:00, 13:15 - 17:00
Tue
08:00 - 12:00, 13:15 - 17:00
Wed
08:00 - 12:00, 13:15 - 17:00
Thu
08:00 - 12:00, 13:15 - 17:00
Fri
08:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.128.395
Founded
1995 · 31 years
Last commercial register change
November 7, 2022
Employees
1 to 10

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