Company lists · Data refreshed November 2026
Top 25 Blower door testing services worldwide
RevenueBase identified 223 company matches for blower door testing services worldwide as of November 2026 and tracks 1,074 professional contacts across them, including 174 with verified work emails. The United States is the largest market and Brondby the largest hub.
This list covers company matches for blower door testing services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for blower door testing services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest blower door testing services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 343 contacts → | ||||
Exact match “DER est une PME spécialisée dans le contrôle des bâtiments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 39 contacts → | ||||
Exact match “Retrotec is the world's leading manufacturer of blower door and door fan test equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 36 contacts → | ||||
Exact match “We offer national solutions for commercial buildings with certified HVAC Testing & Balancing, Fume Hood, and Clean Room testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 13 contacts → | ||||
Exact match “Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 12 contacts → | ||||
Exact match “Efficiency Matrix produced products and services with its qualified personnel in both Air Pressure Testing and architectural consultation services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 8 contacts → | ||||
Exact match “Studiebureau Cobbaut EPB Veiligheidscoördinatie Stabiliteitsstudies Ventilatie verslaggeving Blowerdoor” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 8 contacts → | ||||
Exact match “Bedrijf gespecialiseerd is in het opsporen van water, warmte- en luchtlekkages.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 8 contacts → | ||||
Exact match “Our mission at D.R.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “Air Leakage & Ventilation in new and existing homes is the #1 source of Heat Loss.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “We have been performing full HERS Ratings since 2011 and with over 25+ years of experience in the industry, our team of 9 RESNET Certified HERS Raters and 4 Rating Field…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “We provide services that improve the health, safety, comfort along with energy efficiencies of your commercial or residential facility.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Studiebureau Tecclem is gespecialiseerd in EPB- & Ventilatieverslaggeving, Veiligheidscoördinatie, Stabiliteitsstudies, EPC en Blowerdoortesten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “LeakHunter er værktøjet til dig som selvstændigt vil udføre Blower Door-test/trykprøve og samtidig skabe byggeri af højere kvalitet med en forbedret bundlinje.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 6 contacts → | ||||
Exact match “Construction timelines in Texas are tight.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “Fidelis Enterprises provides electronic leak detection (ELD), drone services, infrared scans, moisture scans, fenestration testing for commercial, residential, and industrial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “ENERGIE EPB verslaggeving met deskundig advies bij uw (ver)bouwproject met aftoetsing aan de huidige energie normen met opmaak van de vereiste certificaten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Tests d'étanchéité à l'air des bâtiments et des réseaux aérauliques Sensibilisations à l'étanchéité à l'air des bâtiments et des réseaux aérauliques Thermographie infrarouge…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “MDL SEAL LTD is a Company specialising in Sealant Application, Air Tightness Testing and Sound Insulation Testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Vining Air is a Melbourne-based company specialising in testing and commissioning services and building airtightness testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Smart PNW specializes in high-end blinds and shades, energy audits, code compliance blower door tests, smart home automation, and home improvements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Our company is a national HVAC Commissioning/Testing And Balancing service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Met passie en expertise voeren wij luchtdichtheidsmetingen uit voor zowel grote als kleine gebouwen, waarbij we altijd streven naar optimalisatie van de luchtdichtheid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “Capitol Duct Cleaning Services the Puget sound offering Residential and Commercial Air system cleaning, Air system sealing / pressure testing, Insulation Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Arctic Heating & Cooling offers heating & cooling service, maintenance and new equipment installs along with blower door and duct testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “blower door testing services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 223 blower door testing services worldwide
See the full list, filter by size, metro and specialty, and access 174 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Blower door testing services worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for blower door testing services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “blower door testing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 174 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Blower door testing services by location
1 lists · largest firstEvery Blower door testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “blower door testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many blower door testing services are there worldwide?
RevenueBase identified 223 company matches for blower door testing services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
DER tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most blower door testing services?
The United States leads with 58 companies. Every blower door testing services list by country and city is linked on this page.
Which city has the most blower door testing services?
Brondby leads with 2 company records, followed by Dresden (2) and Tampere (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 174 professional contacts with verified work emails tracked across these 223 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 223 blower door testing services worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 blower door testing services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 223 matching company records for blower door testing services worldwide, with 1,074 tracked contacts and 174 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 blower door testing services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  DERgroupe-der.comHQ: Saint-louis, FranceReported employees: Not recorded | Saint-louis, France | Not recorded | Exact match | 343 contacts → |
“DER est une PME spécialisée dans le contrôle des bâtiments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Retrotecretrotec.comHQ: Everson, WA, United StatesReported employees: 11-50 | Everson, WA, United States | 11-50 | Exact match | 39 contacts → |
“Retrotec is the world's leading manufacturer of blower door and door fan test equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Airadigm Solutionsairadigmsolutions.comHQ: Auburn, CO, United StatesReported employees: 51-200 | Auburn, CO, United States | 51-200 | Exact match | 36 contacts → |
“We offer national solutions for commercial buildings with certified HVAC Testing & Balancing, Fume Hood, and Clean Room testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ean50 Gmbhean50.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 13 contacts → |
“Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Efficiency Matrixefficiencymatrix.comHQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 12 contacts → |
“Efficiency Matrix produced products and services with its qualified personnel in both Air Pressure Testing and architectural consultation services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Studiebureau Cobbautsb-cobbaut.beHQ: Tongerlo, BelgiumReported employees: 1-10 | Tongerlo, Belgium | 1-10 | Exact match | 8 contacts → |
“Studiebureau Cobbaut EPB Veiligheidscoördinatie Stabiliteitsstudies Ventilatie verslaggeving Blowerdoor” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  DE Lekkagedokterlekkagedokter.nlHQ: Zuidwolde, NetherlandsReported employees: 11-50 | Zuidwolde, Netherlands | 11-50 | Exact match | 8 contacts → |
“Bedrijf gespecialiseerd is in het opsporen van water, warmte- en luchtlekkages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  D.R. Nelson & Associatesdrnelson.comHQ: Troy, MI, United StatesReported employees: 11-50 | Troy, MI, United States | 11-50 | Exact match | 8 contacts → |
“Our mission at D.R.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aeroseal Canadaairsealingpros.caHQ: Cambridge, ON, CanadaReported employees: 1-10 | Cambridge, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Air Leakage & Ventilation in new and existing homes is the #1 source of Heat Loss.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Home Energy Ratersenergycodehelp.comHQ: Sagamore Beach, MA, United StatesReported employees: 11-50 | Sagamore Beach, MA, United States | 11-50 | Exact match | 7 contacts → |
“We have been performing full HERS Ratings since 2011 and with over 25+ years of experience in the industry, our team of 9 RESNET Certified HERS Raters and 4 Rating Field…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  RJ Energy Solutionsrjenergysolutions.comHQ: Fargo, ND, United StatesReported employees: 1-10 | Fargo, ND, United States | 1-10 | Exact match | 7 contacts → |
“We provide services that improve the health, safety, comfort along with energy efficiencies of your commercial or residential facility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Studiebureau Tecclemtecclem.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 6 contacts → |
“Studiebureau Tecclem is gespecialiseerd in EPB- & Ventilatieverslaggeving, Veiligheidscoördinatie, Stabiliteitsstudies, EPC en Blowerdoortesten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Leakhunterleakhunter.dkHQ: Ejby, DenmarkReported employees: 1-10 | Ejby, Denmark | 1-10 | Exact match | 6 contacts → |
“LeakHunter er værktøjet til dig som selvstændigt vil udføre Blower Door-test/trykprøve og samtidig skabe byggeri af højere kvalitet med en forbedret bundlinje.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lone Star Energy Efficiencylonestarenergyefficiency.comHQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 6 contacts → |
“Construction timelines in Texas are tight.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fidelis Enterprisesfidelis-enterprises.comHQ: Torrance, CA, United StatesReported employees: 11-50 | Torrance, CA, United States | 11-50 | Exact match | 5 contacts → |
“Fidelis Enterprises provides electronic leak detection (ELD), drone services, infrared scans, moisture scans, fenestration testing for commercial, residential, and industrial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Studiebureau Greesagreesa.beHQ: Vorst, BelgiumReported employees: 1-10 | Vorst, Belgium | 1-10 | Exact match | 5 contacts → |
“ENERGIE EPB verslaggeving met deskundig advies bij uw (ver)bouwproject met aftoetsing aan de huidige energie normen met opmaak van de vereiste certificaten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Exp'air 54expair54.frHQ: Tonnoy, FranceReported employees: 1-10 | Tonnoy, France | 1-10 | Exact match | 5 contacts → |
“Tests d'étanchéité à l'air des bâtiments et des réseaux aérauliques Sensibilisations à l'étanchéité à l'air des bâtiments et des réseaux aérauliques Thermographie infrarouge…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  MDL Seal LTDmdlseal.co.ukHQ: Rayleigh, United KingdomReported employees: 11-50 | Rayleigh, United Kingdom | 11-50 | Exact match | 5 contacts → |
“MDL SEAL LTD is a Company specialising in Sealant Application, Air Tightness Testing and Sound Insulation Testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Vining AIRviningair.com.auHQ: Mentone, FranceReported employees: 11-50 | Mentone, France | 11-50 | Exact match | 5 contacts → |
“Vining Air is a Melbourne-based company specialising in testing and commissioning services and building airtightness testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Smart PNWsmartpnw.comHQ: Tacoma, WA, United StatesReported employees: 1-10 | Tacoma, WA, United States | 1-10 | Exact match | 5 contacts → |
“Smart PNW specializes in high-end blinds and shades, energy audits, code compliance blower door tests, smart home automation, and home improvements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Flow Balanceflowbalance.com.auHQ: Beaconsfield, CanadaReported employees: 11-50 | Beaconsfield, Canada | 11-50 | Exact match | 5 contacts → |
“Our company is a national HVAC Commissioning/Testing And Balancing service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Blowertechnicblowertechnic.comHQ: Lier, BelgiumReported employees: 1-10 | Lier, Belgium | 1-10 | Exact match | 5 contacts → |
“Met passie en expertise voeren wij luchtdichtheidsmetingen uit voor zowel grote als kleine gebouwen, waarbij we altijd streven naar optimalisatie van de luchtdichtheid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Capitol Duct Cleaningcapitolductcleaning.comHQ: Spanaway, WA, United StatesReported employees: 1-10 | Spanaway, WA, United States | 1-10 | Exact match | 5 contacts → |
“Capitol Duct Cleaning Services the Puget sound offering Residential and Commercial Air system cleaning, Air system sealing / pressure testing, Insulation Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Ghis, INChargroveinspections.comHQ: Augusta, United StatesReported employees: 11-50 | Augusta, United States | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Arctic Heating & Cooling LLCarcticheatingandcooling.comHQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
“Arctic Heating & Cooling offers heating & cooling service, maintenance and new equipment installs along with blower door and duct testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 223 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Blower door testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
219 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 223 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Blower door testing services by location
1 lists · largest firstEvery Blower door testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for blower door testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many blower door testing services did RevenueBase find worldwide?
The saved snapshot records 223 matching company records, 1,074 tracked contacts and 174 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 blower door testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/blower-door-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 blower door testing services worldwide
RevenueBase records 223 matching company records for blower door testing services worldwide, with 1,074 tracked contacts and 174 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 blower door testing services worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | DERgroupe-der.com HQ: Saint-louis, FranceReported employees: Not recorded | Saint-louis, France | Not recorded | Exact match | 343 contacts → |
“DER est une PME spécialisée dans le contrôle des bâtiments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Retrotecretrotec.com HQ: Everson, WA, United StatesReported employees: 11-50 | Everson, WA, United States | 11-50 | Exact match | 39 contacts → |
“Retrotec is the world's leading manufacturer of blower door and door fan test equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Airadigm Solutionsairadigmsolutions.com HQ: Auburn, CO, United StatesReported employees: 51-200 | Auburn, CO, United States | 51-200 | Exact match | 36 contacts → |
“We offer national solutions for commercial buildings with certified HVAC Testing & Balancing, Fume Hood, and Clean Room testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ean50 Gmbhean50.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 13 contacts → |
“Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Efficiency Matrixefficiencymatrix.com HQ: Melbourne, AustraliaReported employees: 1-10 | Melbourne, Australia | 1-10 | Exact match | 12 contacts → |
“Efficiency Matrix produced products and services with its qualified personnel in both Air Pressure Testing and architectural consultation services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Studiebureau Cobbautsb-cobbaut.be HQ: Tongerlo, BelgiumReported employees: 1-10 | Tongerlo, Belgium | 1-10 | Exact match | 8 contacts → |
“Studiebureau Cobbaut EPB Veiligheidscoördinatie Stabiliteitsstudies Ventilatie verslaggeving Blowerdoor” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | DE Lekkagedokterlekkagedokter.nl HQ: Zuidwolde, NetherlandsReported employees: 11-50 | Zuidwolde, Netherlands | 11-50 | Exact match | 8 contacts → |
“Bedrijf gespecialiseerd is in het opsporen van water, warmte- en luchtlekkages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | D.R. Nelson & Associatesdrnelson.com HQ: Troy, MI, United StatesReported employees: 11-50 | Troy, MI, United States | 11-50 | Exact match | 8 contacts → |
“Our mission at D.R.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aeroseal Canadaairsealingpros.ca HQ: Cambridge, ON, CanadaReported employees: 1-10 | Cambridge, ON, Canada | 1-10 | Exact match | 8 contacts → |
“Air Leakage & Ventilation in new and existing homes is the #1 source of Heat Loss.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Home Energy Ratersenergycodehelp.com HQ: Sagamore Beach, MA, United StatesReported employees: 11-50 | Sagamore Beach, MA, United States | 11-50 | Exact match | 7 contacts → |
“We have been performing full HERS Ratings since 2011 and with over 25+ years of experience in the industry, our team of 9 RESNET Certified HERS Raters and 4 Rating Field…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | RJ Energy Solutionsrjenergysolutions.com HQ: Fargo, ND, United StatesReported employees: 1-10 | Fargo, ND, United States | 1-10 | Exact match | 7 contacts → |
“We provide services that improve the health, safety, comfort along with energy efficiencies of your commercial or residential facility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Studiebureau Tecclemtecclem.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 6 contacts → |
“Studiebureau Tecclem is gespecialiseerd in EPB- & Ventilatieverslaggeving, Veiligheidscoördinatie, Stabiliteitsstudies, EPC en Blowerdoortesten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Leakhunterleakhunter.dk HQ: Ejby, DenmarkReported employees: 1-10 | Ejby, Denmark | 1-10 | Exact match | 6 contacts → |
“LeakHunter er værktøjet til dig som selvstændigt vil udføre Blower Door-test/trykprøve og samtidig skabe byggeri af højere kvalitet med en forbedret bundlinje.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lone Star Energy Efficiencylonestarenergyefficiency.com HQ: San Antonio, TX, United StatesReported employees: 1-10 | San Antonio, TX, United States | 1-10 | Exact match | 6 contacts → |
“Construction timelines in Texas are tight.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fidelis Enterprisesfidelis-enterprises.com HQ: Torrance, CA, United StatesReported employees: 11-50 | Torrance, CA, United States | 11-50 | Exact match | 5 contacts → |
“Fidelis Enterprises provides electronic leak detection (ELD), drone services, infrared scans, moisture scans, fenestration testing for commercial, residential, and industrial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Studiebureau Greesagreesa.be HQ: Vorst, BelgiumReported employees: 1-10 | Vorst, Belgium | 1-10 | Exact match | 5 contacts → |
“ENERGIE EPB verslaggeving met deskundig advies bij uw (ver)bouwproject met aftoetsing aan de huidige energie normen met opmaak van de vereiste certificaten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Exp'air 54expair54.fr HQ: Tonnoy, FranceReported employees: 1-10 | Tonnoy, France | 1-10 | Exact match | 5 contacts → |
“Tests d'étanchéité à l'air des bâtiments et des réseaux aérauliques Sensibilisations à l'étanchéité à l'air des bâtiments et des réseaux aérauliques Thermographie infrarouge…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | MDL Seal LTDmdlseal.co.uk HQ: Rayleigh, United KingdomReported employees: 11-50 | Rayleigh, United Kingdom | 11-50 | Exact match | 5 contacts → |
“MDL SEAL LTD is a Company specialising in Sealant Application, Air Tightness Testing and Sound Insulation Testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vining AIRviningair.com.au HQ: Mentone, FranceReported employees: 11-50 | Mentone, France | 11-50 | Exact match | 5 contacts → |
“Vining Air is a Melbourne-based company specialising in testing and commissioning services and building airtightness testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Smart PNWsmartpnw.com HQ: Tacoma, WA, United StatesReported employees: 1-10 | Tacoma, WA, United States | 1-10 | Exact match | 5 contacts → |
“Smart PNW specializes in high-end blinds and shades, energy audits, code compliance blower door tests, smart home automation, and home improvements.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Flow Balanceflowbalance.com.au HQ: Beaconsfield, CanadaReported employees: 11-50 | Beaconsfield, Canada | 11-50 | Exact match | 5 contacts → |
“Our company is a national HVAC Commissioning/Testing And Balancing service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Blowertechnicblowertechnic.com HQ: Lier, BelgiumReported employees: 1-10 | Lier, Belgium | 1-10 | Exact match | 5 contacts → |
“Met passie en expertise voeren wij luchtdichtheidsmetingen uit voor zowel grote als kleine gebouwen, waarbij we altijd streven naar optimalisatie van de luchtdichtheid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Capitol Duct Cleaningcapitolductcleaning.com HQ: Spanaway, WA, United StatesReported employees: 1-10 | Spanaway, WA, United States | 1-10 | Exact match | 5 contacts → |
“Capitol Duct Cleaning Services the Puget sound offering Residential and Commercial Air system cleaning, Air system sealing / pressure testing, Insulation Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Ghis, INChargroveinspections.com HQ: Augusta, United StatesReported employees: 11-50 | Augusta, United States | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Arctic Heating & Cooling LLCarcticheatingandcooling.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
“Arctic Heating & Cooling offers heating & cooling service, maintenance and new equipment installs along with blower door and duct testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 223 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Blower door testing services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
219 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 223 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Blower door testing services by location
1 lists · largest firstEvery Blower door testing services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for blower door testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many blower door testing services did RevenueBase find worldwide?
The saved snapshot records 223 matching company records, 1,074 tracked contacts and 174 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 blower door testing services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/blower-door-testing-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗