Company lists · Data refreshed October 2026
Top 25 Indoor air quality contractors based in Belgium
RevenueBase identified 88 company matches for indoor air quality contractors associated with Belgium as of October 2026 and tracks 536 professional contacts across them, including 210 with verified work emails. Genk is the largest hub.
This list covers company matches for indoor air quality contractors associated with Belgium, 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 October 14, 2026.
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 indoor air quality contractors based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 129 contacts → | ||||
Exact match “Every year, air pollution prematurely kills 7 million people worldwide.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 57 contacts → | ||||
Exact match “Clima & Partners staat bekend als dé airconditioningspecialist.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 27 contacts → | ||||
Exact match “Hamster Cleaning provides professional cleaning and inspection services of air ducts.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 25 contacts → | ||||
Exact match “Since 2005, we have been pursuing the (further) development of innovative systems that contribute to the comfort of your living environment, more specifically a healthy indoor…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 19 contacts → | ||||
Exact match “ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 17 contacts → | ||||
Exact match “For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 16 contacts → | ||||
Exact match “Stokjes nv is al jaren gespecialiseerd in het ontwerpen en uitvoeren van ventilatiesystemen voor onder andere- Woningen - Winkels - Kantoren - Fabrieken - Andere…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Comfort Home is gespecialiseerd in het plaatsen van ventilatie in woningen, appartementen en kantoren.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 13 contacts → | ||||
Exact match “Industriële ventilatie?” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “Nous regroupons, au sein d'une même équipe, les compétences en terme d’études, d’installation et d’entretien de vos projets de chauffage, de ventilation et de climatisation.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “AJ-Air c'est la vente, l’étude, le conseil, l’installation et la maintenance de toutes vos installations liées au traitement de l'air : Pompes à chaleur, climatisation…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “Airscan delivers actionable services across buildings and cities to protect health and drive sustainability- Indoor air quality assessments: short-term diagnostics, source…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “AQ International is gespecialiseerd in het optimaliseren van lucht- en waterkwaliteit.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “De activiteiten van FAT gaan terug naar 1976.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Veltech is toonaangevend in het realiseren van ventilatiesystemen die steeds passen in de huidige manier van bouwen en horen bij de manier waarop iedereen met onze kostbare…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Notre mission principale est d’aider nos clients dans la recherche du système de ventilation idéal pour leur domicile, leurs bureaux, commerces et halls industriels.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “The label comprises a group of experts in indoor air quality who strive to certify products with the lowest emissions into indoor air.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Van Cleven NV in Hasselt, Limburg, staat al meer dan 50 jaar aan de top van de Belgische sector voor industriële koeling en industriële luchtfilters dankzij ontwerp en realisatie…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “ComTIS Ventilation is gespecialiseerd in het plaatsen en reinigen van uw ventilatiesysteem.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Bij ons komen technische competenties, langetermijnvisie en een hands-on mentaliteit samen.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “The mission of InsightAir is to improve the quality of life indoors.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Al meer dan 10 jaar staat service centraal in onze dienstverlening.” Recorded in the RevenueBase company graph · Oct 14, 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 “indoor air quality contractors”. 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 88 indoor air quality contractors based in Belgium
See the full list, filter by size, metro and specialty, and access 210 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Indoor air quality contractors based in Belgium at a glance
As of Oct 14, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 88 companies.
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.
- What qualifies
- Company records associated with Belgium whose business descriptions match “indoor air quality contractors” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 210 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 October 14, 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.
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 “indoor air quality contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many indoor air quality contractors are there based in Belgium?
RevenueBase identified 88 company matches for indoor air quality contractors associated with Belgium as of October 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?
Deltrian International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most indoor air quality contractors?
Genk leads with 4 company records, followed by Brussels (3) and Liege (3).
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 210 professional contacts with verified work emails tracked across these 88 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 October 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 88 indoor air quality contractors based in Belgium. Start with a free account, no credit card.
Download this list →Related lists
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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
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- Lists A-Z
- New lists
- Indoor air quality contractors based in Sao Paulo, Brazil
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Company intelligence · public preview
Top 25 indoor air quality contractors based in Belgium
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 88 matching company records for indoor air quality contractors based in Belgium, with 536 tracked contacts and 210 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: October 14, 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 indoor air quality contractors based in Belgium
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 | Deltrian Internationaldeltrian.com HQ: Fleurus, BelgiumReported employees: 501-1,000 | Fleurus, Belgium | 501-1,000 | Exact match | 129 contacts → |
“Every year, air pollution prematurely kills 7 million people worldwide.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Clima & Partnersclimaenpartners.beHQ: Wijnegem, BelgiumReported employees: 51-200 | Wijnegem, Belgium | 51-200 | Exact match | 57 contacts → |
“Clima & Partners staat bekend als dé airconditioningspecialist.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hamster Cleaninghamstercleaning.com HQ: Genk, BelgiumReported employees: 51-200 | Genk, Belgium | 51-200 | Exact match | 27 contacts → |
“Hamster Cleaning provides professional cleaning and inspection services of air ducts.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ventilair Group Belgiumventilairgroup.be HQ: Kuurne, BelgiumReported employees: 11-50 | Kuurne, Belgium | 11-50 | Exact match | 25 contacts → |
“Since 2005, we have been pursuing the (further) development of innovative systems that contribute to the comfort of your living environment, more specifically a healthy indoor…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Isolutionisolution.be HQ: Namur, BelgiumReported employees: 11-50 | Namur, Belgium | 11-50 | Exact match | 19 contacts → |
“ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Camfil Belgium NV SAcamfil.be HQ: Zaventem, BelgiumReported employees: 11-50 | Zaventem, Belgium | 11-50 | Exact match | 17 contacts → |
“For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Stokjes NVstokjes.be HQ: Tessenderlo, BelgiumReported employees: 51-200 | Tessenderlo, Belgium | 51-200 | Exact match | 16 contacts → |
“Stokjes nv is al jaren gespecialiseerd in het ontwerpen en uitvoeren van ventilatiesystemen voor onder andere- Woningen - Winkels - Kantoren - Fabrieken - Andere…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Comfort Home Ventilatiesystemencomfort-home.be HQ: Tielt, BelgiumReported employees: 11-50 | Tielt, Belgium | 11-50 | Exact match | 14 contacts → |
“Comfort Home is gespecialiseerd in het plaatsen van ventilatie in woningen, appartementen en kantoren.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | TM Technicstm-technics.be HQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 13 contacts → |
“Industriële ventilatie?” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deltrian International S.Adeltrian.be HQ: Fleurus, BelgiumReported employees: 1-10 | Fleurus, Belgium | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Econergy Sprleconergy.be HQ: Soignies, BelgiumReported employees: 11-50 | Soignies, Belgium | 11-50 | Exact match | 7 contacts → |
“Nous regroupons, au sein d'une même équipe, les compétences en terme d’études, d’installation et d’entretien de vos projets de chauffage, de ventilation et de climatisation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Aj-Airaj-air.beHQ: Sart-bernard, BelgiumReported employees: 1-10 | Sart-bernard, Belgium | 1-10 | Exact match | 6 contacts → |
“AJ-Air c'est la vente, l’étude, le conseil, l’installation et la maintenance de toutes vos installations liées au traitement de l'air : Pompes à chaleur, climatisation…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  airscan.orgairscan.orgHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 6 contacts → |
“Airscan delivers actionable services across buildings and cities to protect health and drive sustainability- Indoor air quality assessments: short-term diagnostics, source…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AQ Internationalaqinternational.be HQ: Herentals, BelgiumReported employees: 1-10 | Herentals, Belgium | 1-10 | Exact match | 5 contacts → |
“AQ International is gespecialiseerd in het optimaliseren van lucht- en waterkwaliteit.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Flanders AIR Technicflandersairtechnic.be HQ: Kruisem, BelgiumReported employees: 11-50 | Kruisem, Belgium | 11-50 | Exact match | 4 contacts → |
“De activiteiten van FAT gaan terug naar 1976.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Veltechveltech.be HQ: Lommel, BelgiumReported employees: 11-50 | Lommel, Belgium | 11-50 | Exact match | 4 contacts → |
“Veltech is toonaangevend in het realiseren van ventilatiesystemen die steeds passen in de huidige manier van bouwen en horen bij de manier waarop iedereen met onze kostbare…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lejeune Ventilationventilationlejeune.be HQ: Petit-rechain, BelgiumReported employees: 11-50 | Petit-rechain, Belgium | 11-50 | Exact match | 3 contacts → |
“Notre mission principale est d’aider nos clients dans la recherche du système de ventilation idéal pour leur domicile, leurs bureaux, commerces et halls industriels.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Moens BVmoensbvba.be HQ: Waasmunster, BelgiumReported employees: 11-50 | Waasmunster, Belgium | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  AIR Label Scoreair-label.comHQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 3 contacts → |
“The label comprises a group of experts in indoor air quality who strive to certify products with the lowest emissions into indoor air.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  VAN Cleven Koeltechniekvancleven.beHQ: Hasselt, BelgiumReported employees: 51-200 | Hasselt, Belgium | 51-200 | Exact match | 3 contacts → |
“Van Cleven NV in Hasselt, Limburg, staat al meer dan 50 jaar aan de top van de Belgische sector voor industriële koeling en industriële luchtfilters dankzij ontwerp en realisatie…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Comtis Ventilationcomtis.beHQ: Oostmalle, BelgiumReported employees: 11-50 | Oostmalle, Belgium | 11-50 | Exact match | 3 contacts → |
“ComTIS Ventilation is gespecialiseerd in het plaatsen en reinigen van uw ventilatiesysteem.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Calinovacalinova.be HQ: St-truiden, BelgiumReported employees: 11-50 | St-truiden, Belgium | 11-50 | Exact match | 3 contacts → |
“Bij ons komen technische competenties, langetermijnvisie en een hands-on mentaliteit samen.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Insightairinsightair.euHQ: Geel, BelgiumReported employees: 1-10 | Geel, Belgium | 1-10 | Exact match | 3 contacts → |
“The mission of InsightAir is to improve the quality of life indoors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Polar Expertspolarexperts.be HQ: Wingene, BelgiumReported employees: 1-10 | Wingene, Belgium | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | BVB Servicebvbservice.be HQ: Westmeerbeek, BelgiumReported employees: 11-50 | Westmeerbeek, Belgium | 11-50 | Exact match | 2 contacts → |
“Al meer dan 10 jaar staat service centraal in onze dienstverlening.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Indoor air quality contractors: dataset insights
October 14, 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
85 records in the displayed employee bands.
3 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 worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 88 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: October 14, 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 ↗
Questions about this company list
What does Exact match mean for indoor air quality contractors?
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 indoor air quality contractors did RevenueBase find based in Belgium?
The saved snapshot records 88 matching company records, 536 tracked contacts and 210 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: October 14, 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
Indoor air quality contractors by geography
- Indoor air quality contractors based in Sao Paulo, Brazil
- Indoor air quality contractors based in Houston, United States
- Indoor air quality contractors based in Australia
- Indoor air quality contractors based in Brazil
- Indoor air quality contractors based in Canada
- Indoor air quality contractors based in Denmark
- Indoor air quality contractors based in Finland
- Indoor air quality contractors based in France
- Indoor air quality contractors based in Germany
- Indoor air quality contractors based in India
- Indoor air quality contractors based in Italy
- Indoor air quality contractors based in Mexico
Cite this list
RevenueBase Data Team. Top 25 indoor air quality contractors based in Belgium. Snapshot: October 14, 2026. https://revenuebase.ai/companies/indoor-air-quality-contractors/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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Company intelligence · public preview
Top 25 indoor air quality contractors based in Belgium
RevenueBase records 88 matching company records for indoor air quality contractors based in Belgium, with 536 tracked contacts and 210 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: October 14, 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 indoor air quality contractors based in Belgium
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 | Deltrian Internationaldeltrian.com HQ: Fleurus, BelgiumReported employees: 501-1,000 | Fleurus, Belgium | 501-1,000 | Exact match | 129 contacts → |
“Every year, air pollution prematurely kills 7 million people worldwide.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Clima & Partnersclimaenpartners.be HQ: Wijnegem, BelgiumReported employees: 51-200 | Wijnegem, Belgium | 51-200 | Exact match | 57 contacts → |
“Clima & Partners staat bekend als dé airconditioningspecialist.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hamster Cleaninghamstercleaning.com HQ: Genk, BelgiumReported employees: 51-200 | Genk, Belgium | 51-200 | Exact match | 27 contacts → |
“Hamster Cleaning provides professional cleaning and inspection services of air ducts.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ventilair Group Belgiumventilairgroup.be HQ: Kuurne, BelgiumReported employees: 11-50 | Kuurne, Belgium | 11-50 | Exact match | 25 contacts → |
“Since 2005, we have been pursuing the (further) development of innovative systems that contribute to the comfort of your living environment, more specifically a healthy indoor…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Isolutionisolution.be HQ: Namur, BelgiumReported employees: 11-50 | Namur, Belgium | 11-50 | Exact match | 19 contacts → |
“ISOLUTION est une société spécialisée dans l'isolation et la ventilation de bâtiment pour particuliers et professionnels, et ce depuis plus de 12 ans Aujourd'hui, Isolution compte…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Camfil Belgium NV SAcamfil.be HQ: Zaventem, BelgiumReported employees: 11-50 | Zaventem, Belgium | 11-50 | Exact match | 17 contacts → |
“For more than half a century, Camfil has been helping people breathe cleaner air.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Stokjes NVstokjes.be HQ: Tessenderlo, BelgiumReported employees: 51-200 | Tessenderlo, Belgium | 51-200 | Exact match | 16 contacts → |
“Stokjes nv is al jaren gespecialiseerd in het ontwerpen en uitvoeren van ventilatiesystemen voor onder andere- Woningen - Winkels - Kantoren - Fabrieken - Andere…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Comfort Home Ventilatiesystemencomfort-home.be HQ: Tielt, BelgiumReported employees: 11-50 | Tielt, Belgium | 11-50 | Exact match | 14 contacts → |
“Comfort Home is gespecialiseerd in het plaatsen van ventilatie in woningen, appartementen en kantoren.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | TM Technicstm-technics.be HQ: Genk, BelgiumReported employees: 11-50 | Genk, Belgium | 11-50 | Exact match | 13 contacts → |
“Industriële ventilatie?” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deltrian International S.Adeltrian.be HQ: Fleurus, BelgiumReported employees: 1-10 | Fleurus, Belgium | 1-10 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Econergy Sprleconergy.be HQ: Soignies, BelgiumReported employees: 11-50 | Soignies, Belgium | 11-50 | Exact match | 7 contacts → |
“Nous regroupons, au sein d'une même équipe, les compétences en terme d’études, d’installation et d’entretien de vos projets de chauffage, de ventilation et de climatisation.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aj-Airaj-air.be HQ: Sart-bernard, BelgiumReported employees: 1-10 | Sart-bernard, Belgium | 1-10 | Exact match | 6 contacts → |
“AJ-Air c'est la vente, l’étude, le conseil, l’installation et la maintenance de toutes vos installations liées au traitement de l'air : Pompes à chaleur, climatisation…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | airscan.orgairscan.org HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 6 contacts → |
“Airscan delivers actionable services across buildings and cities to protect health and drive sustainability- Indoor air quality assessments: short-term diagnostics, source…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AQ Internationalaqinternational.be HQ: Herentals, BelgiumReported employees: 1-10 | Herentals, Belgium | 1-10 | Exact match | 5 contacts → |
“AQ International is gespecialiseerd in het optimaliseren van lucht- en waterkwaliteit.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Flanders AIR Technicflandersairtechnic.be HQ: Kruisem, BelgiumReported employees: 11-50 | Kruisem, Belgium | 11-50 | Exact match | 4 contacts → |
“De activiteiten van FAT gaan terug naar 1976.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Veltechveltech.be HQ: Lommel, BelgiumReported employees: 11-50 | Lommel, Belgium | 11-50 | Exact match | 4 contacts → |
“Veltech is toonaangevend in het realiseren van ventilatiesystemen die steeds passen in de huidige manier van bouwen en horen bij de manier waarop iedereen met onze kostbare…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lejeune Ventilationventilationlejeune.be HQ: Petit-rechain, BelgiumReported employees: 11-50 | Petit-rechain, Belgium | 11-50 | Exact match | 3 contacts → |
“Notre mission principale est d’aider nos clients dans la recherche du système de ventilation idéal pour leur domicile, leurs bureaux, commerces et halls industriels.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Moens BVmoensbvba.be HQ: Waasmunster, BelgiumReported employees: 11-50 | Waasmunster, Belgium | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | AIR Label Scoreair-label.com HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 3 contacts → |
“The label comprises a group of experts in indoor air quality who strive to certify products with the lowest emissions into indoor air.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | VAN Cleven Koeltechniekvancleven.be HQ: Hasselt, BelgiumReported employees: 51-200 | Hasselt, Belgium | 51-200 | Exact match | 3 contacts → |
“Van Cleven NV in Hasselt, Limburg, staat al meer dan 50 jaar aan de top van de Belgische sector voor industriële koeling en industriële luchtfilters dankzij ontwerp en realisatie…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Comtis Ventilationcomtis.be HQ: Oostmalle, BelgiumReported employees: 11-50 | Oostmalle, Belgium | 11-50 | Exact match | 3 contacts → |
“ComTIS Ventilation is gespecialiseerd in het plaatsen en reinigen van uw ventilatiesysteem.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Calinovacalinova.be HQ: St-truiden, BelgiumReported employees: 11-50 | St-truiden, Belgium | 11-50 | Exact match | 3 contacts → |
“Bij ons komen technische competenties, langetermijnvisie en een hands-on mentaliteit samen.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Insightairinsightair.eu HQ: Geel, BelgiumReported employees: 1-10 | Geel, Belgium | 1-10 | Exact match | 3 contacts → |
“The mission of InsightAir is to improve the quality of life indoors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Polar Expertspolarexperts.be HQ: Wingene, BelgiumReported employees: 1-10 | Wingene, Belgium | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | BVB Servicebvbservice.be HQ: Westmeerbeek, BelgiumReported employees: 11-50 | Westmeerbeek, Belgium | 11-50 | Exact match | 2 contacts → |
“Al meer dan 10 jaar staat service centraal in onze dienstverlening.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 88 company matches
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Indoor air quality contractors: dataset insights
October 14, 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
85 records in the displayed employee bands.
3 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 worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 88 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: October 14, 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 ↗
Questions about this company list
What does Exact match mean for indoor air quality contractors?
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 indoor air quality contractors did RevenueBase find based in Belgium?
The saved snapshot records 88 matching company records, 536 tracked contacts and 210 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: October 14, 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.
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Cite this list
RevenueBase Data Team. Top 25 indoor air quality contractors based in Belgium. Snapshot: October 14, 2026. https://revenuebase.ai/companies/indoor-air-quality-contractors/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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