Company lists · Data refreshed November 2026

Top 13 Hvac system testing services based in Belgium

RevenueBase identified 47 company matches for hvac system testing services associated with Belgium as of November 2026 and tracks 303 professional contacts across them, including 137 with verified work emails. Heusden-Zolder is the largest hub.

This list covers company matches for hvac system testing services 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
47Companies
303Contacts tracked
137Verified emails
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The 13 largest hvac system testing services based in Belgium

Ranked by team size
Top 13 of 47 company matches for hvac system testing services based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAlken, BelgiumHQ recorded Nov 6, 2026201-50069 contacts →

Exact match

“Professionele HVAC-expert, gericht op jouw sector Climagroup is dé referentiepartner voor klimatisatie en ventilatie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSint-pieters-leeuw, BelgiumHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“At Senec, we support both private individuals and professionals with their heating, air conditioning, ventilation, and energy projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWommelgem, BelgiumHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Bondec bvba is een gerenommeerd installatiebedrijf sinds 1969.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDuffel, BelgiumHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Airquality is reeds jaren een gevestigde waarde in de wereld van airconditioning, verwarming en ventilatie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLier, BelgiumHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“KVT realiseert een breed gamma aan activiteiten als installateur HVAC in ventilatie, verwarming en koeling, gaande van engineering en calculatie tot projectorganisatie…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBattice, BelgiumHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Fondée en 1969 par José et Nicole Grommet, l' entreprise n' a cessé d' évoluer rapidement dans les applications HVAC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSoignies, BelgiumHQ recorded Nov 6, 202611-507 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLochristi, BelgiumHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Duurzame HVAC-Optimalisatie en Betrouwbare Services FSC Heating Service gaat verder dan standaard HVAC-consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWaasmunster, BelgiumHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWingene, BelgiumHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWestmeerbeek, BelgiumHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Al meer dan 10 jaar staat service centraal in onze dienstverlening.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRekkem, BelgiumHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Bij Group Vandersteene geloven we dat een gezond binnenklimaat het verschil maakt, thuis, op school en op het werk.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBeersel, BelgiumHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Zit u vast in een eindeloze cyclus van te warm, te koud, en nooit precies goed?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 13 of 47 hvac system testing services based in Belgium

See the full list, filter by size, metro and specialty, and access 137 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac system testing services based in Belgium at a glance

As of Nov 6, 2026
45.2%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · Heusden-Zolder
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
11
51-200
4
201-500
1

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 47 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 “hvac system 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. 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 137 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.

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 “hvac system testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac system testing services are there based in Belgium?

RevenueBase identified 47 company matches for hvac system testing services associated with Belgium 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?

Climagroup tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hvac system testing services?

Heusden-Zolder leads with 2 company records, followed by Schoten (2) and Aalter (1).

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 137 professional contacts with verified work emails tracked across these 47 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.

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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.