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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,110 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentEnergy SuppliersRomanshornRegiotherm AG
Regiotherm AG Logo
Verified· 3 sources

Regiotherm AG

Summary

About the company

The company is an energy supplier specializing in the provision of natural gas, biogas, and seawater heat. The core activities include gas procurement and distribution, network construction, maintenance and operation, as well as the provision of services such as heating service, heating repair, and safety checks. In addition, the company also offers products such as instantaneous water heaters and gas stoves.

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Products & services

Industry:Energy Suppliers
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Gas supply
Gas procurement and contract management, energy billing and meter reading, finance and accounting, customer service and master data management, printing and mailing service for municipalities and utilities.
Grid construction & maintenance
Consulting for network expansion, construction and maintenance of pipeline networks for natural gas and water, connection of new supply lines, construction and maintenance of DRM stations, network monitoring and 24/7 on-call service.
Plan information & utility line
Surveying of new lines, maintenance of the pipeline cadastre, site coordination, negotiation of transit rights, as well as information and plans for the routing of gas pipelines for construction projects.
Technical services
Construction of service connections, leak-tightness testing of gas pipeline networks and service connections, gas meter inspections, meter readings, installation checks, PSK, flue gas inspections and official combustion inspections.
Renewable heating
Free on-site initial consultation for single- and multi-family houses, condominium ownership, businesses and administrations to choose suitable renewable heating systems.
Heating systems
Advice, planning, installation and maintenance of gas heating systems, hybrid solutions, heat pumps and hot-water solutions for residential and commercial buildings.
Gas heating
Planning, installation and service of gas heating systems for single-family houses, multi-family houses and commercial properties, including systems with a share of biogas.
Hybrid solutions
Heat pumps with gas heating as a combined heating solution, with advice, planning, installation and service for efficient and future-proof heat supply.
Heat pumps
Advice, planning, installation and maintenance of heat pumps as an efficient heating solution for various building types.
Hot-water solutions
Heat-pump boilers and instantaneous water heaters as hot-water solutions within heating systems.
Heating service
Maintenance of gas heating systems and heating systems to ensure efficiency, longer service life and lower energy costs, including online booking.
Boiler cleaning
Professional cleaning of boilers for clean water and regular maintenance of hot-water systems.
Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.39
★TrustpilotSoon
PProvenExpertSoon

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Location

Egnacherweg 6b
8590 Romanshorn
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 18:00
Fri
08:00 - 13:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.289.965
Founded
2001 · 25 years
Last commercial register change
May 29, 2026
Employees
11 to 20

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