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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersOftringenAero Blower Door Zeljko Popovic
Aero Blower Door Zeljko Popovic Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Aero Blower Door is the implementation of air tightness measurements (Blower Door Test) and consulting on air tightness concepts and measurement concepts, particularly in the context of MINERGIE certifications for energy-efficient buildings.

AI-generated
Offering

Products & services

Industry:Testing & Inspection Centers
✓ Offered4
Blower Door Test
Air tightness testing using the differential pressure method for single-family homes, multi-family houses, apartments, halls and commercial buildings; leak detection, determination of the air change rate and quality testing of the building envelope.
Consulting on Air Tightness and Measurement Concepts
Consulting for the development of air tightness concepts and measurement concepts for buildings, in particular in connection with MINERGIE certifications.
Reports for Certification Bodies
Reports for certification bodies, including thermographic photo documentation of leaks as part of air tightness measurements and MINERGIE procedures.
Air Tightness Testing for MINERGIE-P and MINERGIE-A
Air tightness testing for MINERGIE-P and MINERGIE-A certifications, including the building air tightness test required for these standards.
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3.9/5

Aero Blower Door Zeljko Popovic

Trust & reputation

ranQ Trust Score of Aero Blower Door Zeljko Popovic: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Aero Blower Door Zeljko Popovic scores 71.3 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.79.424%
  • 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.52.910%
  • 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.70.08%
Aero Blower Door Zeljko Popovic scores 60.5 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.58.012%
  • 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%
Aero Blower Door Zeljko Popovic 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%
Aero Blower Door Zeljko Popovic scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Aero Blower Door Zeljko Popovic 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 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Spittelhofring 14
4665 Oftringen
Opening hours
Mon
08:00 - 12:00, 13:30 - 18:30
Tue
08:00 - 12:00, 13:30 - 18:30
Wed
08:00 - 12:00, 13:30 - 18:30
Thu
08:00 - 12:00, 13:30 - 18:30
Fri
08:00 - 12:00, 13:30 - 18:30
Sat
08:00 - 12:00, 13:30 - 18:30
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-383.497.711
Founded
2022 · 4 years
Last commercial register change
November 4, 2022
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.67.06%
  • 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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