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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSt. Margrethen SgGRAVAG Energie AG
GRAVAG Energie AG Logo
Verified· 4 sources

GRAVAG Energie AG

Summary

About the company

The core activity of GRAVAG Energie AG and GRAVAG Thermo is energy supply and service, particularly in the planning, installation, maintenance and repair of heating and energy systems, such as heat pumps, gas and oil heating systems, pellet heating systems, hybrid systems, power-generating heating systems, combined heat and power (CHP) systems and photovoltaic systems. In addition, the company offers energy consulting, energy analysis and optimization as well as the sale of energy.

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Offering

Products & services

Industry:Plumbing & Building ServicesEnergy Suppliers
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Natural Gas Supply
Natural gas supply for households, businesses and industry in the regional service area, including energy for heating, domestic hot water, cooking, grilling and vehicle fuel.
Biogas Supply
Biogas supply and heating with biogas from organic residual materials, including injection into the gas grid and use for heat, hot water, cooking and mobility.
Liquefied Gas Services
Liquefied gas services from installation to periodic inspection, for tank systems, caravans, motorhomes, boats, garden sheds, events, and commercial and industrial installations.
Heating Solutions (GRAVAG Thermo)
Heating solutions with consulting, analysis, installation, maintenance and repairs for heating systems; including heat pumps, gas and oil heating, pellet heating, hybrid systems and photovoltaic systems.
Gas Network Operations
Operation, expansion and maintenance of gas supply networks with gas connections, meter replacements, meter readings and ensured stable, safe operation.
GEAK Consulting
Consulting on the cantonal building energy certificate (GEAK) with property analysis as a basis for installing gas or oil heating systems and meeting cantonal requirements.
Reviews

Aggregated rating

Aggregated rating
2.4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle2.48
★TrustpilotSoon
PProvenExpertSoon

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Press

Media

November 24, 2022Media
Der Kalender einer Künstlerfamilie macht Lust auf Spaziergänge
rheintaler.ch
December 30, 2021Media
Gravag erhöht Gaspreis erneut
rheintaler.ch
November 5, 2020Media
«Die Seele braucht Kunst»
rheintaler.ch
January 12, 2018Media
ST. MARGRETHEN: Gravag-Retter lebte noch drei Jahre
tagblatt.ch

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Location

Industriestrasse 21
9430 St. Margrethen Sg
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:00
Tue
07:00 - 12:00, 13:30 - 17:00
Wed
07:00 - 12:00, 13:30 - 17:00
Thu
07:00 - 12:00, 13:30 - 17:00
Fri
07:00 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.806.331
Founded
1979 · 47 years
Last commercial register change
June 10, 2026
Employees
21 to 50

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