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DirectoryConstruction & ArchitectureSite PreparationThune-therm ag
e-therm ag Logo
Verified· 3 sources

e-therm ag

Summary

About the company

e-therm ag is a construction services company specialising in the drilling and installation of ground-source (geothermal) probes. The company performs boreholes using airlift or circulation methods (to depths beyond 400 m), installs PE probes, lays connection lines and heat-pump connections, carries out bentonite backfilling and electronic testing with documentation in accordance with SIA 384/6.

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Products & services

Industry:Site Preparation
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Ground heat exchanger borehole systems
Ground heat exchanger borehole systems with drilling to depths of over 400 m, executed as Airlift or flush drilling, installation of the probe, connecting lines to the building and connection to the heat pump.
Advisory services for ground heat exchanger borehole systems
Advisory services for the design and installation of ground heat exchanger borehole systems for planning and architectural offices, installers and clients; including assessment of small projects and larger earth-borefield systems.
Drilling process for ground heat exchanger boreholes
Drilling process using Airlift or flush drilling methods, setting the ground heat exchanger probe, bentonite backfilling, electronic testing in accordance with SIA 384/6 and collection of drill samples.
Quality testing and documentation
Electronic testing of the ground heat exchanger probe and the backfill according to SIA 384/6, presentation of the results in a factsheet and quality assurance through certifications and further training.
Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.511
★TrustpilotSoon
PProvenExpertSoon

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Location

Frutigenstrasse 37
3600 Thun
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.210.916
Founded
1990 · 36 years
Last commercial register change
February 9, 2026
Employees
11 to 20

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