Company lists · Data refreshed November 2026
Top 25 Hvac retrofitting companies based in Germany
RevenueBase identified 126 company matches for hvac retrofitting companies associated with Germany as of November 2026 and tracks 374 professional contacts across them, including 122 with verified work emails. Berlin is the largest hub.
This list covers company matches for hvac retrofitting companies 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 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.
The 25 largest hvac retrofitting companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 48 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 16 contacts → | ||||
Exact match “perto is an energy efficiency service provider for large properties.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 14 contacts → | ||||
Exact match “Wir arbeiten leidenschaftlich daran die Arbeitsbedingungen in gewerblichen und industriellen Objekten sicherer und angenehmer zu machen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 10 contacts → | ||||
Exact match “Klimaanlagen Montagservice!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 9 contacts → | ||||
Exact match “Planning, consulting and execution for technical building equipment (tbe)- HVAC+R Basic services: Consulting / Concept / Planning / Tendering and awarding of contracts / Site…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 6 contacts → | ||||
Exact match “Ettenberger GmbH & Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “Wir sind DHE – ein familiengeführtes Unternehmen aus dem Erzgebirge mit Niederlassungen in Bayern und Franken.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Seit über 50 Jahren verbaut die HEINRICH KRUMME Gesellschaft für Heizungs, Klima- und Sanitärtechnik mbH energieeffiziente Haustechnik auf Großbaustellen im gesamten Bundesgebiet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “Heat and water, cooling and air conditioning: building complexes and homes need solutions that are safe and well thought through.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “Wir verstehen unser Handwerk, wir leben dafür und wir bilden uns regelmäßig fort, um stets auf dem neuesten Stand der Technik zu sein.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Die Schüber Ingenieure GmbH möchte mit hohem Anspruch an die Qualität verschiedene Kundenanforderungen bestmöglich umsetzen: mit den zukunftsweisend neuesten Technologien…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match “messeffekt: Transforming Energy Efficiency in Commercial Buildings About Us: Welcome to messeffekt, a pioneering spinoff company from Fraunhofer ISE, specializing in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Unser Anliegen ist es, alle unsere Kunden fachlich qualifiziert zu beraten, optimale Lösungen zu finden, zu realisieren, gesetzte Termine einzuhalten und die Anlagen über den…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “HUBACHER GmbH übernimmt Mehrheitsanteile an EGT-solutions GmbH Einer der führenden rheinischen Gebäudetechnik-Anbieter baut durch Zukauf seine Kompetenz in der Kältetechnik aus…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Jahrelange Erfahrungen in der Planung und Ausführung von HLK Anlagen haben unsere Firma zu einem kompetenten Ansprechpartner in der Region geprägt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Ihr Partner für HKLS Dienstleistungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “In über 15 Jahren in den Bereichen Wärme- & Kältetechnik ist uns des Öfteren aufgefallen, dass Anlagen falsch projektiert, dimensioniert und verbaut worden sind und die Kunden…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “AP Gebäudetechnik GmbH ist Ihr Partner, wenn es um fachgerechte Installation und Wartung von Heizungs, Lüftungs, Sanitär und Klimaanlagen sowie weiterer Gebäudetechnik-Lösungen…” Recorded in the RevenueBase company graph · Nov 6, 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 “hvac retrofitting 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 126 hvac retrofitting companies based in Germany
See the full list, filter by size, metro and specialty, and access 122 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hvac retrofitting companies based in Germany at a glance
As of Nov 6, 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 126 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 “hvac retrofitting 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 122 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hvac retrofitting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hvac retrofitting companies are there based in Germany?
RevenueBase identified 126 company matches for hvac retrofitting companies associated with Germany 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?
Envola tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hvac retrofitting companies?
Berlin leads with 4 company records, followed by Cologne (2) and Dusseldorf (2).
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 122 professional contacts with verified work emails tracked across these 126 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 126 hvac retrofitting companies based in Germany. 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.
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Company intelligence · public preview
Top 25 hvac retrofitting companies 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 126 matching company records for hvac retrofitting companies based in Germany, with 374 tracked contacts and 122 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: November 6, 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 hvac retrofitting companies 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 |  Envolaenvola.euHQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 48 contacts → |
“The Envola System is an innovative, holistic and most sustainable approach to enable smart and efficient HVAC solutions for buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  PERTOperto.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 16 contacts → |
“perto is an energy efficiency service provider for large properties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Atmos Ind. Lüftungstechnik Gmbhatmos.deHQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 14 contacts → |
“Wir arbeiten leidenschaftlich daran die Arbeitsbedingungen in gewerblichen und industriellen Objekten sicherer und angenehmer zu machen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Klivatec Gmbhklivatec.deHQ: Dinslaken, GermanyReported employees: 11-50 | Dinslaken, Germany | 11-50 | Exact match | 10 contacts → |
“Klimaanlagen Montagservice!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Janowski Ingenieure Gmbhjanowski-ingenieure.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 9 contacts → |
“Planning, consulting and execution for technical building equipment (tbe)- HVAC+R Basic services: Consulting / Concept / Planning / Tendering and awarding of contracts / Site…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Klima-Top Gmbhklimatop.info HQ: Memmingen, GermanyReported employees: 11-50 | Memmingen, Germany | 11-50 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Paul Müller Kälte-Klimatechnik Gmbhkaelte-mueller-gmbh.de HQ: Eisingen, GermanyReported employees: 1-10 | Eisingen, Germany | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Ettenberger Gmbh & Co. Heizung-Lüftung-Sanitär KGettenberger.deHQ: Fulda, GermanyReported employees: 11-50 | Fulda, Germany | 11-50 | Exact match | 6 contacts → |
“Ettenberger GmbH & Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  DHE Zukunftdhe-haustechnik.deHQ: Ehrenfriedersdorf, GermanyReported employees: 51-200 | Ehrenfriedersdorf, Germany | 51-200 | Exact match | 5 contacts → |
“Wir sind DHE – ein familiengeführtes Unternehmen aus dem Erzgebirge mit Niederlassungen in Bayern und Franken.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Heinrich Krumme Gesellschaft FÜR Heizungs-, Klima- UND Sanitärtechnik MBH Brunsbüttelkrumme-brunsbuettel.deHQ: Brunsbüttel, GermanyReported employees: 51-200 | Brunsbüttel, Germany | 51-200 | Exact match | 5 contacts → |
“Seit über 50 Jahren verbaut die HEINRICH KRUMME Gesellschaft für Heizungs, Klima- und Sanitärtechnik mbH energieeffiziente Haustechnik auf Großbaustellen im gesamten Bundesgebiet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Walter Lutema Gmbhwalter-lutema.deHQ: Schallstadt, GermanyReported employees: 51-200 | Schallstadt, Germany | 51-200 | Exact match | 5 contacts → |
“Heat and water, cooling and air conditioning: building complexes and homes need solutions that are safe and well thought through.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Wärme Wimmer Gmbhwaerme-wimmer.deHQ: Gröbenzell, GermanyReported employees: 11-50 | Gröbenzell, Germany | 11-50 | Exact match | 5 contacts → |
“Wir verstehen unser Handwerk, wir leben dafür und wir bilden uns regelmäßig fort, um stets auf dem neuesten Stand der Technik zu sein.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Schüber Ingenieure Gmbhschueber-ingenieure.deHQ: Freiburg, GermanyReported employees: 11-50 | Freiburg, Germany | 11-50 | Exact match | 5 contacts → |
“Die Schüber Ingenieure GmbH möchte mit hohem Anspruch an die Qualität verschiedene Kundenanforderungen bestmöglich umsetzen: mit den zukunftsweisend neuesten Technologien…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Messeffektmesseffekt.deHQ: Freiburg, GermanyReported employees: 1-10 | Freiburg, Germany | 1-10 | Exact match | 4 contacts → |
“messeffekt: Transforming Energy Efficiency in Commercial Buildings About Us: Welcome to messeffekt, a pioneering spinoff company from Fraunhofer ISE, specializing in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Herrmann Haustechnik Gmbhherrmann-durlach.deHQ: Karlsruhe, GermanyReported employees: 51-200 | Karlsruhe, Germany | 51-200 | Exact match | 4 contacts → |
“Unser Anliegen ist es, alle unsere Kunden fachlich qualifiziert zu beraten, optimale Lösungen zu finden, zu realisieren, gesetzte Termine einzuhalten und die Anlagen über den…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hubacherhubacher.gmbhHQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 3 contacts → |
“HUBACHER GmbH übernimmt Mehrheitsanteile an EGT-solutions GmbH Einer der führenden rheinischen Gebäudetechnik-Anbieter baut durch Zukauf seine Kompetenz in der Kältetechnik aus…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Selz & CIE Gmbhselz.netHQ: Heidelberg, GermanyReported employees: 51-200 | Heidelberg, Germany | 51-200 | Exact match | 3 contacts → |
“Jahrelange Erfahrungen in der Planung und Ausführung von HLK Anlagen haben unsere Firma zu einem kompetenten Ansprechpartner in der Region geprägt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rühle Wenger Gmbhruehle-wenger.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | HTM Gmbh & Co. KGhtm-wartung.de HQ: Föhren, GermanyReported employees: 1-10 | Föhren, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Wärmetechnik Leickelleickel.de HQ: Marl, GermanyReported employees: 1-10 | Marl, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Jevitech Engineeringjevitech.deHQ: Königs Wusterhausen, GermanyReported employees: 1-10 | Königs Wusterhausen, Germany | 1-10 | Exact match | 3 contacts → |
“Ihr Partner für HKLS Dienstleistungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eki-Therm Gmbheki-therm.de HQ: Bestwig, GermanyReported employees: 11-50 | Bestwig, Germany | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Heilen Gmbhheilen-gmbh.de HQ: Lingen, GermanyReported employees: 11-50 | Lingen, Germany | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  M.K.E Wärme- & Kältetechnik Gmbhmke-wk.deHQ: Ludwigsburg, GermanyReported employees: 1-10 | Ludwigsburg, Germany | 1-10 | Exact match | 2 contacts → |
“In über 15 Jahren in den Bereichen Wärme- & Kältetechnik ist uns des Öfteren aufgefallen, dass Anlagen falsch projektiert, dimensioniert und verbaut worden sind und die Kunden…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  AP Gebäudetechnik Gmbhallesperfekt.deHQ: Braunsbedra, GermanyReported employees: 11-50 | Braunsbedra, Germany | 11-50 | Exact match | 2 contacts → |
“AP Gebäudetechnik GmbH ist Ihr Partner, wenn es um fachgerechte Installation und Wartung von Heizungs, Lüftungs, Sanitär und Klimaanlagen sowie weiterer Gebäudetechnik-Lösungen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 126 company matches
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Hvac retrofitting companies: dataset insights
November 6, 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
109 records in the displayed employee bands.
17 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 126 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: November 6, 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 hvac retrofitting 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 hvac retrofitting companies did RevenueBase find based in Germany?
The saved snapshot records 126 matching company records, 374 tracked contacts and 122 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: November 6, 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
Hvac retrofitting companies by geography
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- Hvac retrofitting companies based in Calgary, Canada
- Hvac retrofitting companies based in Edmonton, Canada
- Hvac retrofitting companies based in Mississauga, Canada
- Hvac retrofitting companies based in Toronto, Canada
- Hvac retrofitting companies based in London, United Kingdom
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- Hvac retrofitting companies based in Charlotte, United States
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 hvac retrofitting companies based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/hvac-retrofitting-companies/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
- Lists by location
- Lists A-Z
- New lists
- Hvac retrofitting companies based in Sao Paulo, Brazil
- Hvac retrofitting companies based in Calgary, Canada
- Hvac retrofitting companies based in Edmonton, Canada
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- Hvac retrofitting companies based in Toronto, Canada
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Company intelligence · public preview
Top 25 hvac retrofitting companies based in Germany
RevenueBase records 126 matching company records for hvac retrofitting companies based in Germany, with 374 tracked contacts and 122 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: November 6, 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 hvac retrofitting companies 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 | Envolaenvola.eu HQ: Ulm, GermanyReported employees: 11-50 | Ulm, Germany | 11-50 | Exact match | 48 contacts → |
“The Envola System is an innovative, holistic and most sustainable approach to enable smart and efficient HVAC solutions for buildings.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PERTOperto.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 16 contacts → |
“perto is an energy efficiency service provider for large properties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Atmos Ind. Lüftungstechnik Gmbhatmos.de HQ: Düsseldorf, GermanyReported employees: 11-50 | Düsseldorf, Germany | 11-50 | Exact match | 14 contacts → |
“Wir arbeiten leidenschaftlich daran die Arbeitsbedingungen in gewerblichen und industriellen Objekten sicherer und angenehmer zu machen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Klivatec Gmbhklivatec.de HQ: Dinslaken, GermanyReported employees: 11-50 | Dinslaken, Germany | 11-50 | Exact match | 10 contacts → |
“Klimaanlagen Montagservice!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Janowski Ingenieure Gmbhjanowski-ingenieure.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 9 contacts → |
“Planning, consulting and execution for technical building equipment (tbe)- HVAC+R Basic services: Consulting / Concept / Planning / Tendering and awarding of contracts / Site…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Klima-Top Gmbhklimatop.info HQ: Memmingen, GermanyReported employees: 11-50 | Memmingen, Germany | 11-50 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Paul Müller Kälte-Klimatechnik Gmbhkaelte-mueller-gmbh.de HQ: Eisingen, GermanyReported employees: 1-10 | Eisingen, Germany | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Ettenberger Gmbh & Co. Heizung-Lüftung-Sanitär KGettenberger.de HQ: Fulda, GermanyReported employees: 11-50 | Fulda, Germany | 11-50 | Exact match | 6 contacts → |
“Ettenberger GmbH & Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | DHE Zukunftdhe-haustechnik.de HQ: Ehrenfriedersdorf, GermanyReported employees: 51-200 | Ehrenfriedersdorf, Germany | 51-200 | Exact match | 5 contacts → |
“Wir sind DHE – ein familiengeführtes Unternehmen aus dem Erzgebirge mit Niederlassungen in Bayern und Franken.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Heinrich Krumme Gesellschaft FÜR Heizungs-, Klima- UND Sanitärtechnik MBH Brunsbüttelkrumme-brunsbuettel.de HQ: Brunsbüttel, GermanyReported employees: 51-200 | Brunsbüttel, Germany | 51-200 | Exact match | 5 contacts → |
“Seit über 50 Jahren verbaut die HEINRICH KRUMME Gesellschaft für Heizungs, Klima- und Sanitärtechnik mbH energieeffiziente Haustechnik auf Großbaustellen im gesamten Bundesgebiet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Walter Lutema Gmbhwalter-lutema.de HQ: Schallstadt, GermanyReported employees: 51-200 | Schallstadt, Germany | 51-200 | Exact match | 5 contacts → |
“Heat and water, cooling and air conditioning: building complexes and homes need solutions that are safe and well thought through.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Wärme Wimmer Gmbhwaerme-wimmer.de HQ: Gröbenzell, GermanyReported employees: 11-50 | Gröbenzell, Germany | 11-50 | Exact match | 5 contacts → |
“Wir verstehen unser Handwerk, wir leben dafür und wir bilden uns regelmäßig fort, um stets auf dem neuesten Stand der Technik zu sein.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Schüber Ingenieure Gmbhschueber-ingenieure.de HQ: Freiburg, GermanyReported employees: 11-50 | Freiburg, Germany | 11-50 | Exact match | 5 contacts → |
“Die Schüber Ingenieure GmbH möchte mit hohem Anspruch an die Qualität verschiedene Kundenanforderungen bestmöglich umsetzen: mit den zukunftsweisend neuesten Technologien…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Messeffektmesseffekt.de HQ: Freiburg, GermanyReported employees: 1-10 | Freiburg, Germany | 1-10 | Exact match | 4 contacts → |
“messeffekt: Transforming Energy Efficiency in Commercial Buildings About Us: Welcome to messeffekt, a pioneering spinoff company from Fraunhofer ISE, specializing in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Herrmann Haustechnik Gmbhherrmann-durlach.de HQ: Karlsruhe, GermanyReported employees: 51-200 | Karlsruhe, Germany | 51-200 | Exact match | 4 contacts → |
“Unser Anliegen ist es, alle unsere Kunden fachlich qualifiziert zu beraten, optimale Lösungen zu finden, zu realisieren, gesetzte Termine einzuhalten und die Anlagen über den…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hubacherhubacher.gmbh HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 3 contacts → |
“HUBACHER GmbH übernimmt Mehrheitsanteile an EGT-solutions GmbH Einer der führenden rheinischen Gebäudetechnik-Anbieter baut durch Zukauf seine Kompetenz in der Kältetechnik aus…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Selz & CIE Gmbhselz.net HQ: Heidelberg, GermanyReported employees: 51-200 | Heidelberg, Germany | 51-200 | Exact match | 3 contacts → |
“Jahrelange Erfahrungen in der Planung und Ausführung von HLK Anlagen haben unsere Firma zu einem kompetenten Ansprechpartner in der Region geprägt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rühle Wenger Gmbhruehle-wenger.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | HTM Gmbh & Co. KGhtm-wartung.de HQ: Föhren, GermanyReported employees: 1-10 | Föhren, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Wärmetechnik Leickelleickel.de HQ: Marl, GermanyReported employees: 1-10 | Marl, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Jevitech Engineeringjevitech.de HQ: Königs Wusterhausen, GermanyReported employees: 1-10 | Königs Wusterhausen, Germany | 1-10 | Exact match | 3 contacts → |
“Ihr Partner für HKLS Dienstleistungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Eki-Therm Gmbheki-therm.de HQ: Bestwig, GermanyReported employees: 11-50 | Bestwig, Germany | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Heilen Gmbhheilen-gmbh.de HQ: Lingen, GermanyReported employees: 11-50 | Lingen, Germany | 11-50 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | M.K.E Wärme- & Kältetechnik Gmbhmke-wk.de HQ: Ludwigsburg, GermanyReported employees: 1-10 | Ludwigsburg, Germany | 1-10 | Exact match | 2 contacts → |
“In über 15 Jahren in den Bereichen Wärme- & Kältetechnik ist uns des Öfteren aufgefallen, dass Anlagen falsch projektiert, dimensioniert und verbaut worden sind und die Kunden…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | AP Gebäudetechnik Gmbhallesperfekt.de HQ: Braunsbedra, GermanyReported employees: 11-50 | Braunsbedra, Germany | 11-50 | Exact match | 2 contacts → |
“AP Gebäudetechnik GmbH ist Ihr Partner, wenn es um fachgerechte Installation und Wartung von Heizungs, Lüftungs, Sanitär und Klimaanlagen sowie weiterer Gebäudetechnik-Lösungen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 126 company matches
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Hvac retrofitting companies: dataset insights
November 6, 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
109 records in the displayed employee bands.
17 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 126 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: November 6, 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 hvac retrofitting 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 hvac retrofitting companies did RevenueBase find based in Germany?
The saved snapshot records 126 matching company records, 374 tracked contacts and 122 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: November 6, 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 hvac retrofitting companies based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/hvac-retrofitting-companies/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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