Company lists · Data refreshed September 2026
Top 25 Thermal systems integrators based in Germany
RevenueBase identified 190 company matches for thermal systems integrators associated with Germany as of September 2026 and tracks 6,871 professional contacts across them, including 2,178 with verified work emails. Berlin is the largest hub.
This list covers company matches for thermal systems integrators associated with Germany, 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 29, 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 thermal systems integrators based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,005 contacts → | ||||
Exact match “Welcome to Kelvion!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 223 contacts → | ||||
Exact match “Manufacturer of coolers and heat exchangers worldwide Development and production of high-performance heat exchangers and complete cooling modules for application in construction…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 153 contacts → | ||||
Exact match “SAR Group – Wertschöpfung durch Automatisierung Die SAR Group ist seit 1985 Ihr zuverlässiger Partner für professionelle Industrie- und Prozessautomatisierung.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 143 contacts → | ||||
Exact match “Die Marke Buderus ist Teil der Bosch Thermotechnik GmbH und steht seit 1731 für Spitzenprodukte im Bereich Heizsysteme Ob regenerativ oder klassisch betrieben – unsere Heizsysteme…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 113 contacts → | ||||
Exact match “Wir verbinden Anlagentechnik und maßgeschneiderte Services, um die Energie unserer Kunden optimal einzusetzen - und das seit über 120 Jahren.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 112 contacts → | ||||
Exact match “BRÖTJE efficient heating system technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 97 contacts → | ||||
Exact match “Seifert Systems ventilates, cools, dehumidifies, heats, controls and illuminates control cabinets for the industry, telecommunication and medical sector as well as for challenging…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 75 contacts → | ||||
Exact match “Funke Wärmeaustauscher Apparatebau GmbH is a machinery company based out of Zur Deßel 1, Gronau (Leine), Niedersachsen, Germany.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 74 contacts → | ||||
Exact match “ZELTWANGER is an internationally active group of companies headquartered in Tübingen, Germany.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 64 contacts → | ||||
Exact match “thermofin GmbH is one of the leading manufacturers of finned heat exchangers.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “SOLVE TOMORROW'S CHALLENGES TODAY At Güntner, we combine maximum precision in everyday life with a vision for the future in order to provide our partners with the best possible…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 42 contacts → | ||||
Exact match “Die L&R Kältetechnik GmbH & Co.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 41 contacts → | ||||
Exact match “HYFRA is an experienced specialist in customized process cooling with more than 40 years of expertise in industrial cooling technology.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 41 contacts → | ||||
Exact match “Rosink-Werkstätten GmbH - weltweit erfolgreich Rosink-Werkstätten entwickelt und produziert seit 1980 Wärmetauscher und Wärmerückgewinnungsanlagen für den weltweiten Einsatz in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 41 contacts → | ||||
Exact match “Our products are well-known for their innovative designs and exceptional quality.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 39 contacts → | ||||
Exact match “TLK-Thermo GmbH combines in a unique way comprehensive thermodynamic expertise with many years of experience in the areas of software development, simulation and testing…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 38 contacts → | ||||
Exact match “CABERO is a leading manufacturer of heat exchangers for refrigeration and air-conditioning technology with its head office in Moorenweis near Munich.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 37 contacts → | ||||
Exact match “The Envola System is an innovative, holistic and most sustainable approach to enable smart and efficient HVAC solutions for buildings.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 34 contacts → | ||||
Exact match “Innovative and customer oriented systems dictate tomorrow’s market.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 30 contacts → | ||||
Exact match “Ritter XL Solar steht für Hochleistungs-Solarthermie im Großformat.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 27 contacts → | ||||
Exact match “HOSCH Gebäudeautomation wurde 2002 in Teltow gegründet und hat sich als fabrikatsunabhängiger Systemintegrator mit Niederlassungen in Nürnberg, Hamburg und Düsseldorf in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 27 contacts → | ||||
Exact match “Originating from the KKT Kraus Company, the current KKT chillers brand is an important pillar within ait-deutschland GmbH.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “For over 40 years, Aura GmbH & Co.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 23 contacts → | ||||
Exact match “Baelz ist mit seinen intelligenten Komponenten und energiesparenden Systemlösungen im Bereich des Wärme-und Kältetransfers (Dampf, Heißöl, Heißwasser) international im Markt aktiv.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 22 contacts → | ||||
Exact match “Die Firma Neundörfer entwickelt und fertigt Kühlanlagen, Kühlsysteme, Pumpensysteme, Wärmetauscher und alle Produkte rund um Edelstahl-Rohrleitungsbau.” Recorded in the RevenueBase company graph · Sep 29, 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 “thermal systems integrators”. 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 190 thermal systems integrators based in Germany
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Thermal systems integrators based in Germany at a glance
As of Sep 29, 2026Companies by employee count
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 190 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 Germany whose business descriptions match “thermal systems integrators” 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 2,178 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 29, 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 “thermal systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many thermal systems integrators are there based in Germany?
RevenueBase identified 190 company matches for thermal systems integrators associated with Germany 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?
Kelvion tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most thermal systems integrators?
Berlin leads with 11 company records, followed by Bochum (3) and Bretten (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 2,178 professional contacts with verified work emails tracked across these 190 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 29, 2026.
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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.
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Company intelligence · public preview
Top 25 thermal systems integrators based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 190 matching company records for thermal systems integrators based in Germany, with 6,871 tracked contacts and 2,178 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 29, 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 thermal systems integrators based in Germany
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 |  Kelvionkelvion.comHQ: Herne, GermanyReported employees: 5,001-10,000 | Herne, Germany | 5,001-10,000 | Exact match | 2,005 contacts → |
“Welcome to Kelvion!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AKG Groupakg-group.comHQ: Hofgeismar, GermanyReported employees: 1,001-5,000 | Hofgeismar, Germany | 1,001-5,000 | Exact match | 223 contacts → |
“Manufacturer of coolers and heat exchangers worldwide Development and production of high-performance heat exchangers and complete cooling modules for application in construction…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  SAR Elektronic Gmbhsar.bizHQ: Dingolfing, GermanyReported employees: 501-1,000 | Dingolfing, Germany | 501-1,000 | Exact match | 153 contacts → |
“SAR Group – Wertschöpfung durch Automatisierung Die SAR Group ist seit 1985 Ihr zuverlässiger Partner für professionelle Industrie- und Prozessautomatisierung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Buderus Deutschlandbuderus.de HQ: Wetzlar, GermanyReported employees: 1,001-5,000 | Wetzlar, Germany | 1,001-5,000 | Exact match | 143 contacts → |
“Die Marke Buderus ist Teil der Bosch Thermotechnik GmbH und steht seit 1731 für Spitzenprodukte im Bereich Heizsysteme Ob regenerativ oder klassisch betrieben – unsere Heizsysteme…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Apleona Wolfferts Gmbhwolfferts.apleona.comHQ: Cologne, GermanyReported employees: 1,001-5,000 | Cologne, Germany | 1,001-5,000 | Exact match | 113 contacts → |
“Wir verbinden Anlagentechnik und maßgeschneiderte Services, um die Energie unserer Kunden optimal einzusetzen - und das seit über 120 Jahren.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  August Brötje Gmbhbroetje.deHQ: Rastede, GermanyReported employees: 201-500 | Rastede, Germany | 201-500 | Exact match | 112 contacts → |
“BRÖTJE efficient heating system technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Seifert Systemsseifertsystems.com HQ: Radevormwald, GermanyReported employees: 201-500 | Radevormwald, Germany | 201-500 | Exact match | 97 contacts → |
“Seifert Systems ventilates, cools, dehumidifies, heats, controls and illuminates control cabinets for the industry, telecommunication and medical sector as well as for challenging…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Gronau (leine), GermanyReported employees: 201-500 | Gronau (leine), Germany | 201-500 | Exact match | 75 contacts → |
“Funke Wärmeaustauscher Apparatebau GmbH is a machinery company based out of Zur Deßel 1, Gronau (Leine), Niedersachsen, Germany.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Zeltwanger Groupzeltwanger.deHQ: Tübingen, GermanyReported employees: 201-500 | Tübingen, Germany | 201-500 | Exact match | 74 contacts → |
“ZELTWANGER is an internationally active group of companies headquartered in Tübingen, Germany.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Thermofin Gmbhthermofin.de HQ: Heinsdorfergrund, GermanyReported employees: 501-1,000 | Heinsdorfergrund, Germany | 501-1,000 | Exact match | 64 contacts → |
“thermofin GmbH is one of the leading manufacturers of finned heat exchangers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Güntnerguntner.com HQ: Furstenfeldbruck, GermanyReported employees: 1,001-5,000 | Furstenfeldbruck, Germany | 1,001-5,000 | Exact match | 45 contacts → |
“SOLVE TOMORROW'S CHALLENGES TODAY At Güntner, we combine maximum precision in everyday life with a vision for the future in order to provide our partners with the best possible…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  L&r Kältetechnik Gmbh & Co.Kglr-kaelte.deHQ: Sundern, GermanyReported employees: 51-200 | Sundern, Germany | 51-200 | Exact match | 42 contacts → |
“Die L&R Kältetechnik GmbH & Co.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Hyfra Industriekühlanlagen Gmbhhyfra.comHQ: Krunkel, GermanyReported employees: 201-500 | Krunkel, Germany | 201-500 | Exact match | 41 contacts → |
“HYFRA is an experienced specialist in customized process cooling with more than 40 years of expertise in industrial cooling technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rosink-Werkstätten Gmbhrosink-werkstaetten.de HQ: Nordhorn, GermanyReported employees: 51-200 | Nordhorn, Germany | 51-200 | Exact match | 41 contacts → |
“Rosink-Werkstätten GmbH - weltweit erfolgreich Rosink-Werkstätten entwickelt und produziert seit 1980 Wärmetauscher und Wärmerückgewinnungsanlagen für den weltweiten Einsatz in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | API Schmidt-Bretten Gmbh & Co. KGapischmidt-bretten.de HQ: Bretten, GermanyReported employees: 51-200 | Bretten, Germany | 51-200 | Exact match | 41 contacts → |
“Our products are well-known for their innovative designs and exceptional quality.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tlk-Thermo Gmbhtlk-thermo.comHQ: Braunschweig, GermanyReported employees: 51-200 | Braunschweig, Germany | 51-200 | Exact match | 39 contacts → |
“TLK-Thermo GmbH combines in a unique way comprehensive thermodynamic expertise with many years of experience in the areas of software development, simulation and testing…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Caberocabero.de HQ: Moorenweis, GermanyReported employees: 1,001-5,000 | Moorenweis, Germany | 1,001-5,000 | Exact match | 38 contacts → |
“CABERO is a leading manufacturer of heat exchangers for refrigeration and air-conditioning technology with its head office in Moorenweis near Munich.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Envolaenvola.euHQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 37 contacts → |
“The Envola System is an innovative, holistic and most sustainable approach to enable smart and efficient HVAC solutions for buildings.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Universal Hydraulik Gmbhuniversalhydraulik.com HQ: Neu Anspach, GermanyReported employees: 51-200 | Neu Anspach, Germany | 51-200 | Exact match | 34 contacts → |
“Innovative and customer oriented systems dictate tomorrow’s market.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ritter XL Solarritter-xl-solar.de HQ: Dettenhausen, GermanyReported employees: 51-200 | Dettenhausen, Germany | 51-200 | Exact match | 30 contacts → |
“Ritter XL Solar steht für Hochleistungs-Solarthermie im Großformat.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Hosch Gebäudeautomationhosch-ga.deHQ: Teltow, GermanyReported employees: 51-200 | Teltow, Germany | 51-200 | Exact match | 27 contacts → |
“HOSCH Gebäudeautomation wurde 2002 in Teltow gegründet und hat sich als fabrikatsunabhängiger Systemintegrator mit Niederlassungen in Nürnberg, Hamburg und Düsseldorf in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | KKT Chillerskkt-chillers.com HQ: Kasendorf, GermanyReported employees: 201-500 | Kasendorf, Germany | 201-500 | Exact match | 27 contacts → |
“Originating from the KKT Kraus Company, the current KKT chillers brand is an important pillar within ait-deutschland GmbH.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aura Gmbh & CO KGauragmbh.comHQ: Germersheim, GermanyReported employees: 51-200 | Germersheim, Germany | 51-200 | Exact match | 23 contacts → |
“For over 40 years, Aura GmbH & Co.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Baelz W. Baelz & Sohn Gmbh & CObaelz.de HQ: Heilbronn, GermanyReported employees: 51-200 | Heilbronn, Germany | 51-200 | Exact match | 23 contacts → |
“Baelz ist mit seinen intelligenten Komponenten und energiesparenden Systemlösungen im Bereich des Wärme-und Kältetransfers (Dampf, Heißöl, Heißwasser) international im Markt aktiv.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Anlagenbau Neundörfer Gmbhneundoerfer.de HQ: Langensendelbach, GermanyReported employees: 11-50 | Langensendelbach, Germany | 11-50 | Exact match | 22 contacts → |
“Die Firma Neundörfer entwickelt und fertigt Kühlanlagen, Kühlsysteme, Pumpensysteme, Wärmetauscher und alle Produkte rund um Edelstahl-Rohrleitungsbau.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 190 company matches
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Thermal systems integrators: dataset insights
September 29, 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
185 records in the displayed employee bands.
5 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 Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 190 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 29, 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 thermal systems integrators?
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 thermal systems integrators did RevenueBase find based in Germany?
The saved snapshot records 190 matching company records, 6,871 tracked contacts and 2,178 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 29, 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
Thermal systems integrators by geography
- Thermal systems integrators based in Pune, India
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- Thermal systems integrators based in Belgium
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- Thermal systems integrators based in Canada
- Thermal systems integrators based in Czechia
- Thermal systems integrators based in France
- Thermal systems integrators based in India
- Thermal systems integrators based in Italy
- Thermal systems integrators based in Mexico
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 thermal systems integrators based in Germany. Snapshot: September 29, 2026. https://revenuebase.ai/companies/thermal-systems-integrators/germany.
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
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- New lists
- Thermal systems integrators based in Pune, India
- Thermal systems integrators based in Australia
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Company intelligence · public preview
Top 25 thermal systems integrators based in Germany
RevenueBase records 190 matching company records for thermal systems integrators based in Germany, with 6,871 tracked contacts and 2,178 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 29, 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 thermal systems integrators based in Germany
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 | Kelvionkelvion.com HQ: Herne, GermanyReported employees: 5,001-10,000 | Herne, Germany | 5,001-10,000 | Exact match | 2,005 contacts → |
“Welcome to Kelvion!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AKG Groupakg-group.com HQ: Hofgeismar, GermanyReported employees: 1,001-5,000 | Hofgeismar, Germany | 1,001-5,000 | Exact match | 223 contacts → |
“Manufacturer of coolers and heat exchangers worldwide Development and production of high-performance heat exchangers and complete cooling modules for application in construction…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | SAR Elektronic Gmbhsar.biz HQ: Dingolfing, GermanyReported employees: 501-1,000 | Dingolfing, Germany | 501-1,000 | Exact match | 153 contacts → |
“SAR Group – Wertschöpfung durch Automatisierung Die SAR Group ist seit 1985 Ihr zuverlässiger Partner für professionelle Industrie- und Prozessautomatisierung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Buderus Deutschlandbuderus.de HQ: Wetzlar, GermanyReported employees: 1,001-5,000 | Wetzlar, Germany | 1,001-5,000 | Exact match | 143 contacts → |
“Die Marke Buderus ist Teil der Bosch Thermotechnik GmbH und steht seit 1731 für Spitzenprodukte im Bereich Heizsysteme Ob regenerativ oder klassisch betrieben – unsere Heizsysteme…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Apleona Wolfferts Gmbhwolfferts.apleona.com HQ: Cologne, GermanyReported employees: 1,001-5,000 | Cologne, Germany | 1,001-5,000 | Exact match | 113 contacts → |
“Wir verbinden Anlagentechnik und maßgeschneiderte Services, um die Energie unserer Kunden optimal einzusetzen - und das seit über 120 Jahren.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | August Brötje Gmbhbroetje.de HQ: Rastede, GermanyReported employees: 201-500 | Rastede, Germany | 201-500 | Exact match | 112 contacts → |
“BRÖTJE efficient heating system technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Seifert Systemsseifertsystems.com HQ: Radevormwald, GermanyReported employees: 201-500 | Radevormwald, Germany | 201-500 | Exact match | 97 contacts → |
“Seifert Systems ventilates, cools, dehumidifies, heats, controls and illuminates control cabinets for the industry, telecommunication and medical sector as well as for challenging…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Gronau (leine), GermanyReported employees: 201-500 | Gronau (leine), Germany | 201-500 | Exact match | 75 contacts → |
“Funke Wärmeaustauscher Apparatebau GmbH is a machinery company based out of Zur Deßel 1, Gronau (Leine), Niedersachsen, Germany.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Zeltwanger Groupzeltwanger.de HQ: Tübingen, GermanyReported employees: 201-500 | Tübingen, Germany | 201-500 | Exact match | 74 contacts → |
“ZELTWANGER is an internationally active group of companies headquartered in Tübingen, Germany.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Thermofin Gmbhthermofin.de HQ: Heinsdorfergrund, GermanyReported employees: 501-1,000 | Heinsdorfergrund, Germany | 501-1,000 | Exact match | 64 contacts → |
“thermofin GmbH is one of the leading manufacturers of finned heat exchangers.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Güntnerguntner.com HQ: Furstenfeldbruck, GermanyReported employees: 1,001-5,000 | Furstenfeldbruck, Germany | 1,001-5,000 | Exact match | 45 contacts → |
“SOLVE TOMORROW'S CHALLENGES TODAY At Güntner, we combine maximum precision in everyday life with a vision for the future in order to provide our partners with the best possible…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | L&r Kältetechnik Gmbh & Co.Kglr-kaelte.de HQ: Sundern, GermanyReported employees: 51-200 | Sundern, Germany | 51-200 | Exact match | 42 contacts → |
“Die L&R Kältetechnik GmbH & Co.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Hyfra Industriekühlanlagen Gmbhhyfra.com HQ: Krunkel, GermanyReported employees: 201-500 | Krunkel, Germany | 201-500 | Exact match | 41 contacts → |
“HYFRA is an experienced specialist in customized process cooling with more than 40 years of expertise in industrial cooling technology.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rosink-Werkstätten Gmbhrosink-werkstaetten.de HQ: Nordhorn, GermanyReported employees: 51-200 | Nordhorn, Germany | 51-200 | Exact match | 41 contacts → |
“Rosink-Werkstätten GmbH - weltweit erfolgreich Rosink-Werkstätten entwickelt und produziert seit 1980 Wärmetauscher und Wärmerückgewinnungsanlagen für den weltweiten Einsatz in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | API Schmidt-Bretten Gmbh & Co. KGapischmidt-bretten.de HQ: Bretten, GermanyReported employees: 51-200 | Bretten, Germany | 51-200 | Exact match | 41 contacts → |
“Our products are well-known for their innovative designs and exceptional quality.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tlk-Thermo Gmbhtlk-thermo.com HQ: Braunschweig, GermanyReported employees: 51-200 | Braunschweig, Germany | 51-200 | Exact match | 39 contacts → |
“TLK-Thermo GmbH combines in a unique way comprehensive thermodynamic expertise with many years of experience in the areas of software development, simulation and testing…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Caberocabero.de HQ: Moorenweis, GermanyReported employees: 1,001-5,000 | Moorenweis, Germany | 1,001-5,000 | Exact match | 38 contacts → |
“CABERO is a leading manufacturer of heat exchangers for refrigeration and air-conditioning technology with its head office in Moorenweis near Munich.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Envolaenvola.eu HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 37 contacts → |
“The Envola System is an innovative, holistic and most sustainable approach to enable smart and efficient HVAC solutions for buildings.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Universal Hydraulik Gmbhuniversalhydraulik.com HQ: Neu Anspach, GermanyReported employees: 51-200 | Neu Anspach, Germany | 51-200 | Exact match | 34 contacts → |
“Innovative and customer oriented systems dictate tomorrow’s market.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ritter XL Solarritter-xl-solar.de HQ: Dettenhausen, GermanyReported employees: 51-200 | Dettenhausen, Germany | 51-200 | Exact match | 30 contacts → |
“Ritter XL Solar steht für Hochleistungs-Solarthermie im Großformat.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Hosch Gebäudeautomationhosch-ga.de HQ: Teltow, GermanyReported employees: 51-200 | Teltow, Germany | 51-200 | Exact match | 27 contacts → |
“HOSCH Gebäudeautomation wurde 2002 in Teltow gegründet und hat sich als fabrikatsunabhängiger Systemintegrator mit Niederlassungen in Nürnberg, Hamburg und Düsseldorf in…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | KKT Chillerskkt-chillers.com HQ: Kasendorf, GermanyReported employees: 201-500 | Kasendorf, Germany | 201-500 | Exact match | 27 contacts → |
“Originating from the KKT Kraus Company, the current KKT chillers brand is an important pillar within ait-deutschland GmbH.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aura Gmbh & CO KGauragmbh.com HQ: Germersheim, GermanyReported employees: 51-200 | Germersheim, Germany | 51-200 | Exact match | 23 contacts → |
“For over 40 years, Aura GmbH & Co.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Baelz W. Baelz & Sohn Gmbh & CObaelz.de HQ: Heilbronn, GermanyReported employees: 51-200 | Heilbronn, Germany | 51-200 | Exact match | 23 contacts → |
“Baelz ist mit seinen intelligenten Komponenten und energiesparenden Systemlösungen im Bereich des Wärme-und Kältetransfers (Dampf, Heißöl, Heißwasser) international im Markt aktiv.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Anlagenbau Neundörfer Gmbhneundoerfer.de HQ: Langensendelbach, GermanyReported employees: 11-50 | Langensendelbach, Germany | 11-50 | Exact match | 22 contacts → |
“Die Firma Neundörfer entwickelt und fertigt Kühlanlagen, Kühlsysteme, Pumpensysteme, Wärmetauscher und alle Produkte rund um Edelstahl-Rohrleitungsbau.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 190 company matches
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Thermal systems integrators: dataset insights
September 29, 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
185 records in the displayed employee bands.
5 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 Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 190 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 29, 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 thermal systems integrators?
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 thermal systems integrators did RevenueBase find based in Germany?
The saved snapshot records 190 matching company records, 6,871 tracked contacts and 2,178 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 29, 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.
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Cite this list
RevenueBase Data Team. Top 25 thermal systems integrators based in Germany. Snapshot: September 29, 2026. https://revenuebase.ai/companies/thermal-systems-integrators/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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