Company lists · Data refreshed November 2026

Top 25 Geothermal heating cooling contractors based in the Netherlands

RevenueBase identified 175 company matches for geothermal heating cooling contractors associated with the Netherlands as of November 2026 and tracks 1,032 professional contacts across them, including 452 with verified work emails. Amersfoort is the largest hub.

This list covers company matches for geothermal heating cooling contractors associated with the Netherlands, 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
175Companies
1,032Contacts tracked
452Verified emails
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The 25 largest geothermal heating cooling contractors based in the Netherlands

Ranked by team size
Top 25 of 175 company matches for geothermal heating cooling contractors based in the Netherlands, 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 matchSoesterberg, NetherlandsHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Koelplan Airconditioning & Warmtepompen is een vooruitstrevende klimaat installateur met focus op energiezuinige en vernieuwende klimaatbeheersingstechnologie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchPurmerend, NetherlandsHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“SVP - Samen werken aan klimaat |@Stadsverwarming | SVP is een groeiend integraal warmtebedrijf dat warmte duurzaam produceert, distribueert en levert aan ruim particuliere en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDokkum, NetherlandsHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“ASN Installaties zorgt voor de installatie, service en onderhoud van cv-ketels, geisers,(zonne-)boilers en zonnepanelen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHeerlen, NetherlandsHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“De energietransitie is volop aan de gang.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHulst, NetherlandsHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Poppe Installatietechniek is specialist in het aanleggen, onderhouden en repareren van volledige klimaatinstallaties in woningen, utiliteitsgebouwen en scholen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDiever, NetherlandsHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Onze passie: meer comfort, minder energie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBergen Op Zoom, NetherlandsHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“P.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHeerenveen, NetherlandsHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Energie Service Friesland is de grootste onafhankelijke serviceorganisatie in Fryslân op het gebied van verwarming, warm water, koeling en duurzame technieken.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGorredijk, NetherlandsHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“REMBORG is specialist in bronboringen voor gesloten bodemenergie systemen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchElburg, NetherlandsHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Duratherm is een zelfstandig onderdeel van Draaijer Grondboringen Beheer BV.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMiddenmeer, NetherlandsHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Inco-Drilling provides Directional Drilling Services focused on applying fit for purpose technology and a competent team to achieve cost effective solutions for Geothermal, Oil &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGenemuiden, NetherlandsHQ recorded Nov 6, 202651-20015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLeerdam, NetherlandsHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Havelaar B.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWormer, NetherlandsHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Bent u op zoek naar een installateur?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLexmond, NetherlandsHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Wij zijn Installatiebedrijf Midden-Nederland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSchaijk, NetherlandsHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“At AGO Groep, we combine craftsmanship with innovation in installation technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIjsselstein, NetherlandsHQ recorded Nov 6, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Bij Jord leveren we systemen voor gezonde, fossielvrije warmte en verkoeling as a service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBroek Op Langedijk, NetherlandsHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Dutch* DUTECO Installatiegroep BV is een veelzijdig, professioneel en full-service totaalinstallateur en is ontstaan door de fusie tussen Woldhuis Installatietechniek BV en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWeesp, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Warmtepompen, airconditioners, luchtbehandeling KlimaatConcept ontwerpt, engineert en installeert klimaatsystemen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSon En Breugel, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“W techniek Brabant is een jong bedrijf met ervaren loodgieters en cv monteurs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBergen Op Zoom, NetherlandsHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Installab levert totaaloplossingen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBarendrecht, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Industrial Solution Partner uit Barendrecht is specialist in het bouwen, plaatsen, onderhouden en ontwikkelen van energiezuinige proceskoeling en verwarmingsinstallaties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchZwaagdijk-oost, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Bakker Klimaat is een service gericht installatiebedrijf.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBarneveld, NetherlandsHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Met onze disciplines helpen we heel Nederland comfortabel wonen én werken.”

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

Showing 25 of 175 geothermal heating cooling contractors based in the Netherlands

See the full list, filter by size, metro and specialty, and access 452 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Geothermal heating cooling contractors based in the Netherlands at a glance

As of Nov 6, 2026
43.8%Verified-email coverage
5.9Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · Amersfoort
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
80
11-50
77
51-200
15

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 175 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 the Netherlands whose business descriptions match “geothermal heating cooling 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 452 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 “geothermal heating cooling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal heating cooling contractors are there based in the Netherlands?

RevenueBase identified 175 company matches for geothermal heating cooling contractors associated with the Netherlands 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?

Koelplan Airconditioning & Warmtepompen tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most geothermal heating cooling contractors?

Amersfoort leads with 3 company records, followed by Aw (3) and Cb (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 452 professional contacts with verified work emails tracked across these 175 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 175 geothermal heating cooling contractors based in the Netherlands. Start with a free account, no credit card.

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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.