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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsBaarTHERMAG Wärmearchitekten GmbH
THERMAG Wärmearchitekten GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

THERMAG Wärmearchitekten GmbH provides consulting, planning and implementation of holistic heating concepts for single-family homes, with a focus on wood-based and solar thermal systems and stove construction. Services include stove construction, storage and combi-storage solutions, solar thermal systems, infrared heating and heat-distribution components including controls, delivered from design through installation.

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Products & services

Industry:Solar & Photovoltaics
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THERMAG Wärmearchitekten GmbH

7
Consulting & planning
Structured decision-making information for clients, architects and owners; analysis of the energy situation, recommendation of the appropriate level and comparison of investment and savings.
Heating solutions based on solar and wood energy
Sustainable and independent heating solutions as an addition to or replacement for conventional and grid-dependent heat pump heating systems; designed for different self-sufficiency levels.
Hybrid solutions
Combination of different heat sources while incorporating existing technology; reduction of dependencies and a sensible complement to existing systems.
Replacement solutions for electric storage heaters
Tailored solutions for existing buildings when replacing electric storage heaters, without requiring a full renovation of the building envelope or the heating distribution.
Comfort heating with wood and sun
Alternative to a heat pump with comparable comfort for space heating and domestic hot water; combines wood and solar heat for lower operating costs.
Self-sufficient heating
Wood heating systems with passive heat distribution, free of electronics, electricity and water-based heat distribution; designed for long-term independence.
Zero-tariff heating
Heating without energy costs and without wood, based on heating water from solar thermal energy with long-term storage for winter.
Trust & reputation

ranQ Trust Score of THERMAG Wärmearchitekten GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

THERMAG Wärmearchitekten GmbH scores 74.2 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.72.124%
  • 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.58.610%
  • 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%
THERMAG Wärmearchitekten GmbH scores 80.9 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.95.212%
  • 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%
THERMAG Wärmearchitekten 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%
THERMAG Wärmearchitekten GmbH scores 3.1 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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

THERMAG Wärmearchitekten GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 9 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
4.6
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.69
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Ruessenstrasse 5A
6340 Baar
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-455.724.977
Founded
2013 · 13 years
Last commercial register change
November 4, 2025
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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