Company lists · Data refreshed September 2026
Top 25 Geothermal system companies based in Belgium
RevenueBase identified 240 company matches for geothermal system companies associated with Belgium as of September 2026 and tracks 1,421 professional contacts across them, including 611 with verified work emails. Arendonk is the largest hub.
This list covers company matches for geothermal system companies 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 September 20, 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 geothermal system companies based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 131 contacts → | ||||
Exact match “The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 54 contacts → | ||||
Exact match “Van een uitgebreide analyse, naar de plaatsing en nazorg van uw gebouwtechnieken: bij Belcotec kunt u terecht voor het ontwerp en de volledige uitvoering van al uw HVAC- en…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 53 contacts → | ||||
Exact match “EnergyKing werd in 2013 opgericht door twee ingenieurs: Lucas & Wiet.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 37 contacts → | ||||
Exact match “Sanitechniek is dé specialist in professionele HVAC-en sanitaire installaties.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 31 contacts → | ||||
Exact match “Goessens est une société spécialisée dans l'installation de systèmes de chauffage, de ventilation et de climatisation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “Als ambitieuze klimaatcreator wil Itho Daalderop mensen aangenamer laten wonen, werken en leven, met milieuvriendelijke oplossingen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match “ÉCOLOGIE - ÉCONOMIE - QUALITÉ Air Ambiance a pour mission: de répondre aux besoins de chauffage, de climatisation, de réfrigération et de ventilation en proposant un service…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 27 contacts → | ||||
Exact match “Welcome to the beautiful world of Radson indoor comfort!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Quartier is een installatiebedrijf uit Zuid West-Vlaanderen actief in centrale verwarming, sanitair, ventilatie en koeling.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 24 contacts → | ||||
Exact match “Group VHC zorgt al meer dan 25 jaar voor slimme oplossingen in verwarming, koeling, ventilatie en zonne energie.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 24 contacts → | ||||
Exact match “Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 24 contacts → | ||||
Exact match “Climate change is an urgent reality, and buildings, which are responsible for nearly 40% of the EU's GHG emissions, play a pivotal role.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 23 contacts → | ||||
Exact match “Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 21 contacts → | ||||
Exact match “IFTech speelt een voortrekkersrol in seizoensmatige energieopslag.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 20 contacts → | ||||
Exact match “Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 19 contacts → | ||||
Exact match “Energieconcepten biedt duurzame energieoplossingen voor het verwarmen, ventileren, verlichten, sturen… van gebouwen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 19 contacts → | ||||
Exact match “Deltha ontwerpt en bouwt uw gebouwinstallaties, verwarming, koeling, ventilatie, elektriciteit en sanitair.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 18 contacts → | ||||
Exact match “Stiebel Eltron is een internationale groep en behoort tot de wereldmarkt- en technologieleiders op het gebied van bouwdiensten en hernieuwbare energie.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 17 contacts → | ||||
Exact match “nergie zonder zorgen Ga je bouwen?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 16 contacts → | ||||
Exact match “Meedenkers in industriële klimatisatie Complexe klimaatvragen vragen meer dan standaardoplossingen.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 15 contacts → | ||||
Exact match “GEBO is a drilling company specialised in geothermal drilling.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 14 contacts → | ||||
Exact match “Qui sommes-nous?” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 13 contacts → | ||||
Exact match “Ecosol+ is partner in je zoektocht naar de meest energie-onafhankelijke oplossingen voor HVAC.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 12 contacts → | ||||
Exact match “Intellisol is een multitechnisch installatie bedrijf met eigen studiebureau uit Maaseik dat gespecialiseerd is in het ontwerpen en plaatsen van energiezuinige installaties, zonder…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “2B HVAC est née du rachat par management buy out de la branche HVAC B2B de Dauvister SA, filiale du groupe Luminus, par Damien MERCENIER et ses associés Hervé GRODENT, Valéry…” Recorded in the RevenueBase company graph · Sep 20, 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 “geothermal system companies”. 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 240 geothermal system companies based in Belgium
See the full list, filter by size, metro and specialty, and access 611 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geothermal system companies based in Belgium at a glance
As of Sep 20, 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 240 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 “geothermal system companies” 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 611 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 September 20, 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 “geothermal system companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal system companies are there based in Belgium?
RevenueBase identified 240 company matches for geothermal system companies associated with Belgium as of September 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?
Vaillant Group Belgium tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal system companies?
Arendonk leads with 7 company records, followed by Bilzen (4) and Ninove (4).
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 611 professional contacts with verified work emails tracked across these 240 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 September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 240 geothermal system companies based in Belgium. Start with a free account, no credit card.
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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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal system companies based in Australia
- Geothermal system companies based in Austria
- Geothermal system companies based in Brazil
- Geothermal system companies based in Canada
- Geothermal system companies based in Czechia
- Geothermal system companies based in Denmark
Company intelligence · public preview
Top 25 geothermal system companies 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 240 matching company records for geothermal system companies based in Belgium, with 1,421 tracked contacts and 611 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: September 20, 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 geothermal system companies 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 |  Vaillant Group Belgiumvaillant-group.comHQ: Drogenbos, BelgiumReported employees: 10001+ | Drogenbos, Belgium | 10001+ | Exact match | 131 contacts → |
“The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Belcotecbelcotec.beHQ: Geel, BelgiumReported employees: 51-200 | Geel, Belgium | 51-200 | Exact match | 54 contacts → |
“Van een uitgebreide analyse, naar de plaatsing en nazorg van uw gebouwtechnieken: bij Belcotec kunt u terecht voor het ontwerp en de volledige uitvoering van al uw HVAC- en…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Energykingenergyking.beHQ: Herent, BelgiumReported employees: 51-200 | Herent, Belgium | 51-200 | Exact match | 53 contacts → |
“EnergyKing werd in 2013 opgericht door twee ingenieurs: Lucas & Wiet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sanitechnieksanitechniek.beHQ: Sint-katelijne-waver, BelgiumReported employees: 11-50 | Sint-katelijne-waver, Belgium | 11-50 | Exact match | 37 contacts → |
“Sanitechniek is dé specialist in professionele HVAC-en sanitaire installaties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Goessensgoessens.beHQ: Hannut, BelgiumReported employees: 51-200 | Hannut, Belgium | 51-200 | Exact match | 31 contacts → |
“Goessens est une société spécialisée dans l'installation de systèmes de chauffage, de ventilation et de climatisation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Itho Daalderop Belgiumithodaalderop.beHQ: Zellik, BelgiumReported employees: 11-50 | Zellik, Belgium | 11-50 | Exact match | 30 contacts → |
“Als ambitieuze klimaatcreator wil Itho Daalderop mensen aangenamer laten wonen, werken en leven, met milieuvriendelijke oplossingen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AIR Ambiance SAairambiance.comHQ: Battice, BelgiumReported employees: 11-50 | Battice, Belgium | 11-50 | Exact match | 28 contacts → |
“ÉCOLOGIE - ÉCONOMIE - QUALITÉ Air Ambiance a pour mission: de répondre aux besoins de chauffage, de climatisation, de réfrigération et de ventilation en proposant un service…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Radson Beneluxradson.comHQ: Zonhoven, BelgiumReported employees: 201-500 | Zonhoven, Belgium | 201-500 | Exact match | 27 contacts → |
“Welcome to the beautiful world of Radson indoor comfort!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Quartier NVquartier.beHQ: Kuurne, BelgiumReported employees: 51-200 | Kuurne, Belgium | 51-200 | Exact match | 24 contacts → |
“Quartier is een installatiebedrijf uit Zuid West-Vlaanderen actief in centrale verwarming, sanitair, ventilatie en koeling.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Group VHCgroupvhc.beHQ: Overijse, BelgiumReported employees: 51-200 | Overijse, Belgium | 51-200 | Exact match | 24 contacts → |
“Group VHC zorgt al meer dan 25 jaar voor slimme oplossingen in verwarming, koeling, ventilatie en zonne energie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ESEesegroup.beHQ: Veurne, BelgiumReported employees: 51-200 | Veurne, Belgium | 51-200 | Exact match | 24 contacts → |
“Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  NOVENnoven.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 24 contacts → |
“Climate change is an urgent reality, and buildings, which are responsible for nearly 40% of the EU's GHG emissions, play a pivotal role.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ecopuurecopuur.beHQ: 9850, BelgiumReported employees: 11-50 | 9850, Belgium | 11-50 | Exact match | 23 contacts → |
“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Iftech NViftech.beHQ: Koersel, BelgiumReported employees: 11-50 | Koersel, Belgium | 11-50 | Exact match | 21 contacts → |
“IFTech speelt een voortrekkersrol in seizoensmatige energieopslag.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Polarsunpolarsun.beHQ: Barchon, BelgiumReported employees: 11-50 | Barchon, Belgium | 11-50 | Exact match | 20 contacts → |
“Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Energieconceptenenergieconcepten.be HQ: Arendonk, BelgiumReported employees: 11-50 | Arendonk, Belgium | 11-50 | Exact match | 19 contacts → |
“Energieconcepten biedt duurzame energieoplossingen voor het verwarmen, ventileren, verlichten, sturen… van gebouwen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Delthadeltha.beHQ: Diepenbeek, BelgiumReported employees: 11-50 | Diepenbeek, Belgium | 11-50 | Exact match | 19 contacts → |
“Deltha ontwerpt en bouwt uw gebouwinstallaties, verwarming, koeling, ventilatie, elektriciteit en sanitair.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Stiebel Eltron Belgiumstiebel-eltron.be HQ: Groot-bijgaarden, BelgiumReported employees: 11-50 | Groot-bijgaarden, Belgium | 11-50 | Exact match | 18 contacts → |
“Stiebel Eltron is een internationale groep en behoort tot de wereldmarkt- en technologieleiders op het gebied van bouwdiensten en hernieuwbare energie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Alfasunalfasun.beHQ: Ninove, BelgiumReported employees: 11-50 | Ninove, Belgium | 11-50 | Exact match | 17 contacts → |
“nergie zonder zorgen Ga je bouwen?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bovema International NVbovema.be HQ: Olen, BelgiumReported employees: 11-50 | Olen, Belgium | 11-50 | Exact match | 16 contacts → |
“Meedenkers in industriële klimatisatie Complexe klimaatvragen vragen meer dan standaardoplossingen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gebo Bvbagebo.be HQ: Dessel, BelgiumReported employees: 11-50 | Dessel, Belgium | 11-50 | Exact match | 15 contacts → |
“GEBO is a drilling company specialised in geothermal drilling.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Delbrassine SAdelbrassine.be HQ: Petit-rechain, BelgiumReported employees: 51-200 | Petit-rechain, Belgium | 51-200 | Exact match | 14 contacts → |
“Qui sommes-nous?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ecosolecosolplus.be HQ: Peer, BelgiumReported employees: 11-50 | Peer, Belgium | 11-50 | Exact match | 13 contacts → |
“Ecosol+ is partner in je zoektocht naar de meest energie-onafhankelijke oplossingen voor HVAC.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Intellisolintellisol.beHQ: Maaseik, BelgiumReported employees: 11-50 | Maaseik, Belgium | 11-50 | Exact match | 12 contacts → |
“Intellisol is een multitechnisch installatie bedrijf met eigen studiebureau uit Maaseik dat gespecialiseerd is in het ontwerpen en plaatsen van energiezuinige installaties, zonder…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  2b Hvac2b-hvac.beHQ: Francorchamps, BelgiumReported employees: 11-50 | Francorchamps, Belgium | 11-50 | Exact match | 12 contacts → |
“2B HVAC est née du rachat par management buy out de la branche HVAC B2B de Dauvister SA, filiale du groupe Luminus, par Damien MERCENIER et ses associés Hervé GRODENT, Valéry…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 240 company matches
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Geothermal system companies: dataset insights
September 20, 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
237 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 240 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: September 20, 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 geothermal system companies?
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 geothermal system companies did RevenueBase find based in Belgium?
The saved snapshot records 240 matching company records, 1,421 tracked contacts and 611 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: September 20, 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
Geothermal system companies by geography
- Geothermal system companies based in Australia
- Geothermal system companies based in Austria
- Geothermal system companies based in Brazil
- Geothermal system companies based in Canada
- Geothermal system companies based in Czechia
- Geothermal system companies based in Denmark
- Geothermal system companies based in Finland
- Geothermal system companies based in France
- Geothermal system companies based in Germany
- Geothermal system companies based in Hungary
- Geothermal system companies based in India
- Geothermal system companies based in Indonesia
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 geothermal system companies based in Belgium. Snapshot: September 20, 2026. https://revenuebase.ai/companies/geothermal-system-companies/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal system companies based in Australia
- Geothermal system companies based in Austria
- Geothermal system companies based in Brazil
- Geothermal system companies based in Canada
- Geothermal system companies based in Czechia
- Geothermal system companies based in Denmark
Company intelligence · public preview
Top 25 geothermal system companies based in Belgium
RevenueBase records 240 matching company records for geothermal system companies based in Belgium, with 1,421 tracked contacts and 611 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: September 20, 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 geothermal system companies 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 | Vaillant Group Belgiumvaillant-group.com HQ: Drogenbos, BelgiumReported employees: 10001+ | Drogenbos, Belgium | 10001+ | Exact match | 131 contacts → |
“The Vaillant Group is a global market and technology leader in the fields of heating, ventilation and air-conditioning technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Belcotecbelcotec.be HQ: Geel, BelgiumReported employees: 51-200 | Geel, Belgium | 51-200 | Exact match | 54 contacts → |
“Van een uitgebreide analyse, naar de plaatsing en nazorg van uw gebouwtechnieken: bij Belcotec kunt u terecht voor het ontwerp en de volledige uitvoering van al uw HVAC- en…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Energykingenergyking.be HQ: Herent, BelgiumReported employees: 51-200 | Herent, Belgium | 51-200 | Exact match | 53 contacts → |
“EnergyKing werd in 2013 opgericht door twee ingenieurs: Lucas & Wiet.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sanitechnieksanitechniek.be HQ: Sint-katelijne-waver, BelgiumReported employees: 11-50 | Sint-katelijne-waver, Belgium | 11-50 | Exact match | 37 contacts → |
“Sanitechniek is dé specialist in professionele HVAC-en sanitaire installaties.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Goessensgoessens.be HQ: Hannut, BelgiumReported employees: 51-200 | Hannut, Belgium | 51-200 | Exact match | 31 contacts → |
“Goessens est une société spécialisée dans l'installation de systèmes de chauffage, de ventilation et de climatisation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Itho Daalderop Belgiumithodaalderop.be HQ: Zellik, BelgiumReported employees: 11-50 | Zellik, Belgium | 11-50 | Exact match | 30 contacts → |
“Als ambitieuze klimaatcreator wil Itho Daalderop mensen aangenamer laten wonen, werken en leven, met milieuvriendelijke oplossingen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AIR Ambiance SAairambiance.com HQ: Battice, BelgiumReported employees: 11-50 | Battice, Belgium | 11-50 | Exact match | 28 contacts → |
“ÉCOLOGIE - ÉCONOMIE - QUALITÉ Air Ambiance a pour mission: de répondre aux besoins de chauffage, de climatisation, de réfrigération et de ventilation en proposant un service…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Radson Beneluxradson.com HQ: Zonhoven, BelgiumReported employees: 201-500 | Zonhoven, Belgium | 201-500 | Exact match | 27 contacts → |
“Welcome to the beautiful world of Radson indoor comfort!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Quartier NVquartier.be HQ: Kuurne, BelgiumReported employees: 51-200 | Kuurne, Belgium | 51-200 | Exact match | 24 contacts → |
“Quartier is een installatiebedrijf uit Zuid West-Vlaanderen actief in centrale verwarming, sanitair, ventilatie en koeling.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Group VHCgroupvhc.be HQ: Overijse, BelgiumReported employees: 51-200 | Overijse, Belgium | 51-200 | Exact match | 24 contacts → |
“Group VHC zorgt al meer dan 25 jaar voor slimme oplossingen in verwarming, koeling, ventilatie en zonne energie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ESEesegroup.be HQ: Veurne, BelgiumReported employees: 51-200 | Veurne, Belgium | 51-200 | Exact match | 24 contacts → |
“Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | NOVENnoven.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 24 contacts → |
“Climate change is an urgent reality, and buildings, which are responsible for nearly 40% of the EU's GHG emissions, play a pivotal role.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ecopuurecopuur.be HQ: 9850, BelgiumReported employees: 11-50 | 9850, Belgium | 11-50 | Exact match | 23 contacts → |
“Ecopuur bekijkt het verbruikspatroon van je huidige of nieuwe woning.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Iftech NViftech.be HQ: Koersel, BelgiumReported employees: 11-50 | Koersel, Belgium | 11-50 | Exact match | 21 contacts → |
“IFTech speelt een voortrekkersrol in seizoensmatige energieopslag.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Polarsunpolarsun.be HQ: Barchon, BelgiumReported employees: 11-50 | Barchon, Belgium | 11-50 | Exact match | 20 contacts → |
“Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Energieconceptenenergieconcepten.be HQ: Arendonk, BelgiumReported employees: 11-50 | Arendonk, Belgium | 11-50 | Exact match | 19 contacts → |
“Energieconcepten biedt duurzame energieoplossingen voor het verwarmen, ventileren, verlichten, sturen… van gebouwen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Delthadeltha.be HQ: Diepenbeek, BelgiumReported employees: 11-50 | Diepenbeek, Belgium | 11-50 | Exact match | 19 contacts → |
“Deltha ontwerpt en bouwt uw gebouwinstallaties, verwarming, koeling, ventilatie, elektriciteit en sanitair.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Stiebel Eltron Belgiumstiebel-eltron.be HQ: Groot-bijgaarden, BelgiumReported employees: 11-50 | Groot-bijgaarden, Belgium | 11-50 | Exact match | 18 contacts → |
“Stiebel Eltron is een internationale groep en behoort tot de wereldmarkt- en technologieleiders op het gebied van bouwdiensten en hernieuwbare energie.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Alfasunalfasun.be HQ: Ninove, BelgiumReported employees: 11-50 | Ninove, Belgium | 11-50 | Exact match | 17 contacts → |
“nergie zonder zorgen Ga je bouwen?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bovema International NVbovema.be HQ: Olen, BelgiumReported employees: 11-50 | Olen, Belgium | 11-50 | Exact match | 16 contacts → |
“Meedenkers in industriële klimatisatie Complexe klimaatvragen vragen meer dan standaardoplossingen.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Gebo Bvbagebo.be HQ: Dessel, BelgiumReported employees: 11-50 | Dessel, Belgium | 11-50 | Exact match | 15 contacts → |
“GEBO is a drilling company specialised in geothermal drilling.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Delbrassine SAdelbrassine.be HQ: Petit-rechain, BelgiumReported employees: 51-200 | Petit-rechain, Belgium | 51-200 | Exact match | 14 contacts → |
“Qui sommes-nous?” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ecosolecosolplus.be HQ: Peer, BelgiumReported employees: 11-50 | Peer, Belgium | 11-50 | Exact match | 13 contacts → |
“Ecosol+ is partner in je zoektocht naar de meest energie-onafhankelijke oplossingen voor HVAC.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Intellisolintellisol.be HQ: Maaseik, BelgiumReported employees: 11-50 | Maaseik, Belgium | 11-50 | Exact match | 12 contacts → |
“Intellisol is een multitechnisch installatie bedrijf met eigen studiebureau uit Maaseik dat gespecialiseerd is in het ontwerpen en plaatsen van energiezuinige installaties, zonder…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 2b Hvac2b-hvac.be HQ: Francorchamps, BelgiumReported employees: 11-50 | Francorchamps, Belgium | 11-50 | Exact match | 12 contacts → |
“2B HVAC est née du rachat par management buy out de la branche HVAC B2B de Dauvister SA, filiale du groupe Luminus, par Damien MERCENIER et ses associés Hervé GRODENT, Valéry…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 240 company matches
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Geothermal system companies: dataset insights
September 20, 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
237 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 240 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: September 20, 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 geothermal system companies?
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 geothermal system companies did RevenueBase find based in Belgium?
The saved snapshot records 240 matching company records, 1,421 tracked contacts and 611 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: September 20, 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 geothermal system companies based in Belgium. Snapshot: September 20, 2026. https://revenuebase.ai/companies/geothermal-system-companies/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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