Company lists · Data refreshed September 2026

Top 25 Data center cooling companies based in Germany

RevenueBase identified 291 data center cooling companies headquartered in Germany as of September 2026 and tracks 4,900 professional contacts across them, including 1,885 with verified work emails. Hamburg is the largest hub.

This list covers data center cooling companies headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
291Companies
4,900Contacts tracked
1,885Verified emails
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The 25 largest data center cooling companies based in Germany

Ranked by team size
Top 25 of 291 data center cooling companies based in Germany, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to data center cooling companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHerne, GermanyHQ checked Sep 19, 20265,001-10,0002,005 contacts →

Indirect evidence

“Welcome to Kelvion!”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceHamburg, GermanyHQ checked Sep 19, 20261,001-5,000748 contacts →

Indirect evidence

“Since it was founded in 1947, the STULZ company has evolved into one of the world’s leading system suppliers of air-conditioning technology.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceHamburg, GermanyHQ checked Sep 19, 2026201-500171 contacts →

Indirect evidence

“Our employees at 10 locations all over the world are always committed to our customers and their needs in everything they do.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceGermanyHQ checked Sep 19, 2026501-1,000108 contacts →

Indirect evidence

“DKA - Ihr Spezialist für kälte- und klimatechnische Anlagen seit 1953 Dresdner Kühlanlagenbau GmbH (DKA) ist mit über 500 Mitarbeiterinnen und Mitarbeitern der größte…”

Source: RevenueBase Database · checked Sep 19, 2026
5Partial evidenceBalzheim, GermanyHQ checked Sep 19, 202651-20089 contacts →

Partial evidence

“Worldwide # 1 in turnkey cooling and heating solutions!”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceFrankfurt Am Main, GermanyHQ checked Sep 19, 202651-20083 contacts →

Strong evidence

“TTSP HWP is a consulting and planning firm that designs sustainable and smart data centres for local and international clients.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceLindlar, GermanyHQ checked Sep 19, 2026201-50072 contacts →

Indirect evidence

“Seit über vier Jahrzehnten setzen Kunden auf innovative Energiespartechnik aus dem Hause ONI.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceReiskirchen, GermanyHQ checked Sep 19, 202651-20069 contacts →

Indirect evidence

“Weiss Klimatechnik offers reliable climate solutions wherever people and machinery are challenged: in industrial production processes, hospitals, mobile operating tents or in the…”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceMunich, GermanyHQ checked Sep 19, 2026201-50043 contacts →

Indirect evidence

“Die easy2cool GmbH ist ein Unternehmen aus München welches sich auf individuelle, passive Kühllösungen spezialisiert hat und ganzheitliche Kühlkonzepte für den Schutz…”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceSundern, GermanyHQ checked Sep 19, 202651-20042 contacts →

Indirect evidence

“Die L&R Kältetechnik GmbH & Co.”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceKrunkel, GermanyHQ checked Sep 19, 2026201-50041 contacts →

Partial evidence

“HYFRA is an experienced specialist in customized process cooling with more than 40 years of expertise in industrial cooling technology.”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceSankt Augustin, GermanyHQ checked Sep 19, 202651-20035 contacts →

Strong evidence

“Prior1 at a Glance: Prior1 GmbH is a leading company in the data center industry, specializing in the planning, construction, equipment, and operation of data centers and server…”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceBayreuth, GermanyHQ checked Sep 19, 202651-20032 contacts →

Indirect evidence

“airinotec GmbH is a globally active provider of systems for sophisticated air conditioning and ventilation projects.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceBuchholz In Der Nordheide, GermanyHQ checked Sep 19, 202651-20031 contacts →

Indirect evidence

“Wir bieten Ihnen einen umfassenden Service für die Kälteanlage in Ihrem Betrieb an.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceKrailling, GermanyHQ checked Sep 19, 202651-20029 contacts →

Indirect evidence

“Produkte von Trane stehen für mehr als nur ein Bestandteil der Gebäudetechnik.”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceBochum, GermanyHQ checked Sep 19, 202651-20023 contacts →

Partial evidence

“The name X-COOLING stands for quality and reliability in industrial, process- and power cooling.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceGermanyHQ checked Sep 19, 202651-20022 contacts →

Indirect evidence

“Efficient Energy GmbH is an innovative manufacturer and system supplier of an environmentally-friendly refrigeration technology, called Bluezero and is based in Feldkirchen near…”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceStuttgart, GermanyHQ checked Sep 19, 202651-20022 contacts →

Indirect evidence

“Our range of services includes consulting, planning and execution of systems for thermal comfort and industrial air conditioning, as well as the associated installation and…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceFrankfurt, GermanyHQ checked Sep 19, 202611-5022 contacts →

Indirect evidence

“Die dc-ce RZ-Beratung GmbH & Co.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceMannheim, GermanyHQ checked Sep 19, 202651-20022 contacts →

Indirect evidence

“Bei Kälte-Klimatechnik, Industriekühlung und Service profitieren Sie von unserem breiten Lieferspektrum an Flüssigkeitskühlern, Absorptionskälte- und Absorptionswärmepumpen, sowie…”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceOtterloh, GermanyHQ checked Sep 19, 202611-5015 contacts →

Indirect evidence

“COOLtec Systems bietet Ihnen das ganze Jahr präzises und komfortables Klima.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceBad Vilbel, GermanyHQ checked Sep 19, 202651-20013 contacts →

Indirect evidence

“Ihr kompetenter Partner wenn es um Kälte- und Klimatechnik geht.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceHamburg, GermanyHQ checked Sep 19, 20261,001-5,00013 contacts →

Indirect evidence

“Die STULZ GmbH ist mehr als nur ein Hersteller von Klimatisierungslösungen – wir sind Ihr Partner für innovative und nachhaltige Kälte- und Klimatechnik.”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceBrunswick, GermanyHQ checked Sep 19, 202651-20013 contacts →

Partial evidence

“We are on a mission to make liquid-cooling as simple and sustainable as possible for any customer by thinking like a buyer (not a supplier) and continuously elevating industry…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceSchloß Holte-stukenbrock, GermanyHQ checked Sep 19, 202651-20013 contacts →

Indirect evidence

“The Company for Watercooling: Aquatuning GmbH General Manager: Nathanael Draht & Andreas Rudnicki VAT EU.ID No: DE252383793 German Local TAX No: 349/5701/2422 Finanzamt Bielefeld…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 291 data center cooling companies based in Germany

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Data center cooling companies based in Germany at a glance

As of Sep 19, 2026
38.5%Verified-email coverage
16.8Average contacts per company
11-50Median size (employees)
4.5%Largest-city concentration · Hamburg
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
136
11-50
90
51-200
40
201-500
6
501-1,000
2
1,001-5,000
2
5,001-10,000
1

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 291 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data center cooling companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “data center cooling companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names data center cooling companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among data center cooling companies, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,885 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names data center cooling companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many data center cooling companies are there based in Germany?

RevenueBase identified 291 data center cooling companies headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Kelvion, headquartered in Herne, tops this list with the largest team on record.

Which city has the most data center cooling companies?

Hamburg leads with 13 headquartered companies, followed by Berlin (9) and Munich (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,885 verified decision-maker contacts tracked across these 291 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.