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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsHenggartB & C Wärmetechnik GmbH
B & C Wärmetechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of B&C Wärmetechnik GmbH is the installation, maintenance and repair of heating systems, particularly heat pumps, oil and gas heating systems, solar systems and burners. They also offer regular combustion controls, oil and gas burner services, on-call services and planning/design of heating systems.

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Products & services

Industry:Specialized Construction Installations
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3.9/5

B & C Wärmetechnik GmbH

✓ Offered9
Heat pumps
Sales, installation and service of heat pumps, including air-to-water and brine-to-water heat pumps as well as leak-tightness checks.
Heating service
Service, fault rectification and maintenance for heating systems, including replacement of heating systems with heat pumps and service for oil and gas burners.
Heat distribution
Underfloor heating, radiator heating and dry construction systems, as well as heating walls, tubular radiators, flat-column radiators, designer radiators and towel radiators.
Design / planning
Advice, calculations and planning of heating systems in all sizes, including thermal insulation certificates, submissions, applications for contributions and cost estimates.
Geothermal boreholes
Geothermal boreholes for heating systems using heat from deep underground, as a partner service for sustainable energy solutions from the subsoil.
Oil-fired heating systems
Service for oil-fired heating systems, burner and control service, as well as official flue gas measurements on all oil burners.
Gas heating systems
Wall-mounted and floor-standing units from Wolf, Weishaupt, Viessmann and Vaillant, as well as service, maintenance and flue gas measurements for gas appliances.
Wood-fired heating systems
Pellet boilers and pellet heating systems with consultation, sales and provision with regard to pellet storage; the BioWIN2 Touch by Windhager is mentioned.
Solar systems for domestic hot water
Advice, concept proposals and calculations for solar systems for domestic hot water preparation, as well as quotation preparation and delivery coordination.
Trust & reputation

ranQ Trust Score of B & C Wärmetechnik GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

B & C Wärmetechnik GmbH scores 73.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.76.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.45.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
B & C Wärmetechnik GmbH scores 57.1 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.39.612%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
B & C Wärmetechnik GmbH scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
B & C Wärmetechnik GmbH scores 14.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.14.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

B & C Wärmetechnik GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Hünikerstrasse 2
8444 Henggart
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-232.550.949
Founded
2024 · 2 years
Last commercial register change
May 7, 2024
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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