Company lists · Data refreshed November 2026
Top 25 Heating system retrofitting companies based in Germany
RevenueBase identified 937 company matches for heating system retrofitting companies associated with Germany as of November 2026 and tracks 4,536 professional contacts across them, including 984 with verified work emails. Berlin is the largest hub.
This list covers company matches for heating system 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 heating system retrofitting companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 509 contacts → | ||||
Exact match “STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 147 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 117 contacts → | ||||
Exact match “BRÖTJE efficient heating system technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 106 contacts → | ||||
Exact match “Mit innovativer Technik zur Übergabe und Verteilung von Wärme auf der entscheidenden „letzten Meile“ vereinfacht und beschleunigt PEWO die Integration regenerativer Energiequellen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 104 contacts → | ||||
Exact match “Wir bei Vamo haben es uns zur Mission gemacht grünes, günstiges Heizen mit Wärmepumpen unkompliziert und für jedermann möglich sowie bezahlbar zu machen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 76 contacts → | ||||
Exact match “Wer wir sind und was wir machen Wir sind ein mittelständischer Heizungshersteller aus Braunschweig und haben es uns zur Aufgabe gemacht, dem Löwenanteil des Energieverbrauchs im…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 66 contacts → | ||||
Exact match “For almost 20 years, ZEWOTHERM (abbreviated in German: future-oriented energy and heating systems) stands for holistic energy and heating systems for modern house and building…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 56 contacts → | ||||
Exact match “Get your free & individual savings analysis energiesparen@vilisto.de vilisto saves companies and public clients up to 32% of heating costs by using fully automatic radiator…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 53 contacts → | ||||
Exact match “Vor mehr als 90 Jahren hat unser Firmengründer Günther Schwank den ersten Gas-Infrarot-Hellstrahler erfunden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 38 contacts → | ||||
Exact match “Mit smarten Qualitätsprodukten, persönlichem Service und exakt passenden Lösungen bringen wir genau das richtige Maß an Wärme zu unseren Kunden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 34 contacts → | ||||
Exact match “varmeco ist seit 1983 Pionier für rationelle und regenerative Heizungssystemtechnik mit hygienischer Trinkwarmwasserbereitung.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “ENERPIPE GmbH steht für innovative, energiesparende Wärmesysteme, die für die Energiewende viele Vorteile bieten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 29 contacts → | ||||
Exact match “Handwerksunternehmen - im Bereich: Heizung, Lüftung, Klima & Sanitär!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 29 contacts → | ||||
Exact match “othermo bietet eine skalierbare Lösung zur Digitalisierung und Optimierung bestehender Heizungsanlagen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “Rocke die Zukunft mit REINSTEM HEIZEN Steige mit uns auf eine moderne Heizlösung um, die nicht nur umweltfreundlich, sondern auch zukunftssicher ist.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 25 contacts → | ||||
Exact match “nuuEnergy unterstützt Sie dabei, Ihre Heiztechnik klimafreundlich und zukunftssicher zu machen – mit moderner Wärmepumpentechnologie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 24 contacts → | ||||
Exact match “Nachhaltige Wärmeversorgung Für die nachhaltige Wärmeversorgung entwickeln wir aus jahrzehntelanger Erfahrung, hochwertige und zuverlässige Produkte: Nah- und…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 23 contacts → | ||||
Exact match “Seit 40 Jahren sind wir, die strawa Wärmetechnik GmbH, als Spezialist auf dem Gebiet der Wärmetechnik in Deutschland, Österreich und der Schweiz bekannt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 23 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 18 contacts → | ||||
Exact match “BEMM liefert Designheizkörper für Neubau, Modernisierung und Objektbau.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “Seit über 20 Jahren entwickelt und produziert die Thermotec AG hochwertige Elektroheizungen „Made in Germany“.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 18 contacts → | ||||
Exact match “Wir sind ein international führender Anbieter von hocheffizienten Deckensystemen für Strahlungsheizungen, Kühldecken und Kühlkonvektoren.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “Zukunftssicher, innovativ, familiär: Willkommen im #TeamKamindoktor!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 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 | |||||
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 “heating system 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 937 heating system retrofitting companies based in Germany
See the full list, filter by size, metro and specialty, and access 984 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Heating system 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 937 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 “heating system 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 984 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 “heating system retrofitting companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many heating system retrofitting companies are there based in Germany?
RevenueBase identified 937 company matches for heating system 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?
Stiebel Eltron Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most heating system retrofitting companies?
Berlin leads with 30 company records, followed by Hamburg (18) and Cologne (13).
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 984 professional contacts with verified work emails tracked across these 937 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 937 heating system retrofitting companies based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Heating system retrofitting companies by geography
- Heating system retrofitting companies based in London, United Kingdom
- Heating system retrofitting companies based in Australia
- Heating system retrofitting companies based in Austria
- Heating system retrofitting companies based in Belgium
- Heating system retrofitting companies based in Canada
- Heating system retrofitting companies based in Czechia
- Heating system retrofitting companies based in Denmark
- Heating system retrofitting companies based in Finland
- Heating system retrofitting companies based in France
- Heating system retrofitting companies based in Ireland
- Heating system retrofitting companies based in Italy
- Heating system retrofitting companies based in the Netherlands
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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- Heating system retrofitting companies based in Canada
- Heating system retrofitting companies based in Czechia
Company intelligence · public preview
Top 25 heating system 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 937 matching company records for heating system retrofitting companies based in Germany, with 4,536 tracked contacts and 984 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 heating system 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 |  Stiebel Eltron Groupstiebel-eltron.comHQ: Holzminden, GermanyReported employees: 5,001-10,000 | Holzminden, Germany | 5,001-10,000 | Exact match | 509 contacts → |
“STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Buderus Deutschlandbuderus.deHQ: Wetzlar, GermanyReported employees: 1,001-5,000 | Wetzlar, Germany | 1,001-5,000 | Exact match | 147 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  August Brötje Gmbhbroetje.deHQ: Rastede, GermanyReported employees: 201-500 | Rastede, Germany | 201-500 | Exact match | 117 contacts → |
“BRÖTJE efficient heating system technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pewo Energietechnik Gmbhpewo.deHQ: Elsterheide, GermanyReported employees: 201-500 | Elsterheide, Germany | 201-500 | Exact match | 106 contacts → |
“Mit innovativer Technik zur Übergabe und Verteilung von Wärme auf der entscheidenden „letzten Meile“ vereinfacht und beschleunigt PEWO die Integration regenerativer Energiequellen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  VAMOvamo-energy.comHQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 104 contacts → |
“Wir bei Vamo haben es uns zur Mission gemacht grünes, günstiges Heizen mit Wärmepumpen unkompliziert und für jedermann möglich sowie bezahlbar zu machen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Solvis Gmbhsolvis.deHQ: Braunschweig, GermanyReported employees: 201-500 | Braunschweig, Germany | 201-500 | Exact match | 76 contacts → |
“Wer wir sind und was wir machen Wir sind ein mittelständischer Heizungshersteller aus Braunschweig und haben es uns zur Aufgabe gemacht, dem Löwenanteil des Energieverbrauchs im…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Zewotherm Corporate Groupzewotherm.deHQ: Remagen, GermanyReported employees: 201-500 | Remagen, Germany | 201-500 | Exact match | 66 contacts → |
“For almost 20 years, ZEWOTHERM (abbreviated in German: future-oriented energy and heating systems) stands for holistic energy and heating systems for modern house and building…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Vilisto Gmbhvilisto.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 56 contacts → |
“Get your free & individual savings analysis energiesparen@vilisto.de vilisto saves companies and public clients up to 32% of heating costs by using fully automatic radiator…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Schwank Deutschlandschwank.deHQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 53 contacts → |
“Vor mehr als 90 Jahren hat unser Firmengründer Günther Schwank den ersten Gas-Infrarot-Hellstrahler erfunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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. | |||||
| 11 |  Remeharemeha.deHQ: Saerbeck, GermanyReported employees: 51-200 | Saerbeck, Germany | 51-200 | Exact match | 38 contacts → |
“Mit smarten Qualitätsprodukten, persönlichem Service und exakt passenden Lösungen bringen wir genau das richtige Maß an Wärme zu unseren Kunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Varmeco Gmbh & CO KGvarmeco.deHQ: Kaufbeuren, GermanyReported employees: 51-200 | Kaufbeuren, Germany | 51-200 | Exact match | 34 contacts → |
“varmeco ist seit 1983 Pionier für rationelle und regenerative Heizungssystemtechnik mit hygienischer Trinkwarmwasserbereitung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Enerpipe Gmbhenerpipe.deHQ: Hilpoltstein, GermanyReported employees: 51-200 | Hilpoltstein, Germany | 51-200 | Exact match | 31 contacts → |
“ENERPIPE GmbH steht für innovative, energiesparende Wärmesysteme, die für die Energiewende viele Vorteile bieten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Veltum Gmbhveltum.deHQ: Waldeck, GermanyReported employees: 51-200 | Waldeck, Germany | 51-200 | Exact match | 29 contacts → |
“Handwerksunternehmen - im Bereich: Heizung, Lüftung, Klima & Sanitär!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Othermo Gmbhothermo.deHQ: Alzenau, GermanyReported employees: 11-50 | Alzenau, Germany | 11-50 | Exact match | 29 contacts → |
“othermo bietet eine skalierbare Lösung zur Digitalisierung und Optimierung bestehender Heizungsanlagen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  BHT Deutschland Gmbhwindhager.comHQ: Schriesheim, GermanyReported employees: 11-50 | Schriesheim, Germany | 11-50 | Exact match | 26 contacts → |
“Rocke die Zukunft mit REINSTEM HEIZEN Steige mit uns auf eine moderne Heizlösung um, die nicht nur umweltfreundlich, sondern auch zukunftssicher ist.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nuuenergynuuenergy.comHQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 25 contacts → |
“nuuEnergy unterstützt Sie dabei, Ihre Heiztechnik klimafreundlich und zukunftssicher zu machen – mit moderner Wärmepumpentechnologie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ewers Heizungstechnik Gmbhewers.deHQ: Schloß Holte-stukenbrock, GermanyReported employees: 51-200 | Schloß Holte-stukenbrock, Germany | 51-200 | Exact match | 24 contacts → |
“Nachhaltige Wärmeversorgung Für die nachhaltige Wärmeversorgung entwickeln wir aus jahrzehntelanger Erfahrung, hochwertige und zuverlässige Produkte: Nah- und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Strawa Wärmetechnik Gmbhstrawa.comHQ: Schwabhausen, GermanyReported employees: 51-200 | Schwabhausen, Germany | 51-200 | Exact match | 23 contacts → |
“Seit 40 Jahren sind wir, die strawa Wärmetechnik GmbH, als Spezialist auf dem Gebiet der Wärmetechnik in Deutschland, Österreich und der Schweiz bekannt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dialogdirectdialoger.info HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Bemm Designheizkörperbemm.deHQ: Giesen, GermanyReported employees: 51-200 | Giesen, Germany | 51-200 | Exact match | 18 contacts → |
“BEMM liefert Designheizkörper für Neubau, Modernisierung und Objektbau.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Thermotec AGthermotec.agHQ: Vierkirchen, GermanyReported employees: 51-200 | Vierkirchen, Germany | 51-200 | Exact match | 18 contacts → |
“Seit über 20 Jahren entwickelt und produziert die Thermotec AG hochwertige Elektroheizungen „Made in Germany“.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Groß-umstadt, GermanyReported employees: 51-200 | Groß-umstadt, Germany | 51-200 | Exact match | 18 contacts → |
“Wir sind ein international führender Anbieter von hocheffizienten Deckensystemen für Strahlungsheizungen, Kühldecken und Kühlkonvektoren.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  DER Kamindoktorder-kamindoktor.deHQ: Bamberg, GermanyReported employees: 51-200 | Bamberg, Germany | 51-200 | Exact match | 16 contacts → |
“Zukunftssicher, innovativ, familiär: Willkommen im #TeamKamindoktor!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  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. | |||||
Showing 25 of 937 company matches
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Heating system 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
741 records in the displayed employee bands.
196 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 937 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 heating system 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 heating system retrofitting companies did RevenueBase find based in Germany?
The saved snapshot records 937 matching company records, 4,536 tracked contacts and 984 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
Heating system retrofitting companies by geography
- Heating system retrofitting companies based in London, United Kingdom
- Heating system retrofitting companies based in Australia
- Heating system retrofitting companies based in Austria
- Heating system retrofitting companies based in Belgium
- Heating system retrofitting companies based in Canada
- Heating system retrofitting companies based in Czechia
- Heating system retrofitting companies based in Denmark
- Heating system retrofitting companies based in Finland
- Heating system retrofitting companies based in France
- Heating system retrofitting companies based in Ireland
- Heating system retrofitting companies based in Italy
- Heating system retrofitting companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 heating system retrofitting companies based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/heating-system-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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- Heating system retrofitting companies based in London, United Kingdom
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- Heating system retrofitting companies based in Austria
- Heating system retrofitting companies based in Belgium
- Heating system retrofitting companies based in Canada
- Heating system retrofitting companies based in Czechia
Company intelligence · public preview
Top 25 heating system retrofitting companies based in Germany
RevenueBase records 937 matching company records for heating system retrofitting companies based in Germany, with 4,536 tracked contacts and 984 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 heating system 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 | Stiebel Eltron Groupstiebel-eltron.com HQ: Holzminden, GermanyReported employees: 5,001-10,000 | Holzminden, Germany | 5,001-10,000 | Exact match | 509 contacts → |
“STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Buderus Deutschlandbuderus.de HQ: Wetzlar, GermanyReported employees: 1,001-5,000 | Wetzlar, Germany | 1,001-5,000 | Exact match | 147 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | August Brötje Gmbhbroetje.de HQ: Rastede, GermanyReported employees: 201-500 | Rastede, Germany | 201-500 | Exact match | 117 contacts → |
“BRÖTJE efficient heating system technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pewo Energietechnik Gmbhpewo.de HQ: Elsterheide, GermanyReported employees: 201-500 | Elsterheide, Germany | 201-500 | Exact match | 106 contacts → |
“Mit innovativer Technik zur Übergabe und Verteilung von Wärme auf der entscheidenden „letzten Meile“ vereinfacht und beschleunigt PEWO die Integration regenerativer Energiequellen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | VAMOvamo-energy.com HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 104 contacts → |
“Wir bei Vamo haben es uns zur Mission gemacht grünes, günstiges Heizen mit Wärmepumpen unkompliziert und für jedermann möglich sowie bezahlbar zu machen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Solvis Gmbhsolvis.de HQ: Braunschweig, GermanyReported employees: 201-500 | Braunschweig, Germany | 201-500 | Exact match | 76 contacts → |
“Wer wir sind und was wir machen Wir sind ein mittelständischer Heizungshersteller aus Braunschweig und haben es uns zur Aufgabe gemacht, dem Löwenanteil des Energieverbrauchs im…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Zewotherm Corporate Groupzewotherm.de HQ: Remagen, GermanyReported employees: 201-500 | Remagen, Germany | 201-500 | Exact match | 66 contacts → |
“For almost 20 years, ZEWOTHERM (abbreviated in German: future-oriented energy and heating systems) stands for holistic energy and heating systems for modern house and building…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Vilisto Gmbhvilisto.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 56 contacts → |
“Get your free & individual savings analysis energiesparen@vilisto.de vilisto saves companies and public clients up to 32% of heating costs by using fully automatic radiator…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Schwank Deutschlandschwank.de HQ: Cologne, GermanyReported employees: 201-500 | Cologne, Germany | 201-500 | Exact match | 53 contacts → |
“Vor mehr als 90 Jahren hat unser Firmengründer Günther Schwank den ersten Gas-Infrarot-Hellstrahler erfunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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. | |||||
| 11 | Remeharemeha.de HQ: Saerbeck, GermanyReported employees: 51-200 | Saerbeck, Germany | 51-200 | Exact match | 38 contacts → |
“Mit smarten Qualitätsprodukten, persönlichem Service und exakt passenden Lösungen bringen wir genau das richtige Maß an Wärme zu unseren Kunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Varmeco Gmbh & CO KGvarmeco.de HQ: Kaufbeuren, GermanyReported employees: 51-200 | Kaufbeuren, Germany | 51-200 | Exact match | 34 contacts → |
“varmeco ist seit 1983 Pionier für rationelle und regenerative Heizungssystemtechnik mit hygienischer Trinkwarmwasserbereitung.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Enerpipe Gmbhenerpipe.de HQ: Hilpoltstein, GermanyReported employees: 51-200 | Hilpoltstein, Germany | 51-200 | Exact match | 31 contacts → |
“ENERPIPE GmbH steht für innovative, energiesparende Wärmesysteme, die für die Energiewende viele Vorteile bieten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Veltum Gmbhveltum.de HQ: Waldeck, GermanyReported employees: 51-200 | Waldeck, Germany | 51-200 | Exact match | 29 contacts → |
“Handwerksunternehmen - im Bereich: Heizung, Lüftung, Klima & Sanitär!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Othermo Gmbhothermo.de HQ: Alzenau, GermanyReported employees: 11-50 | Alzenau, Germany | 11-50 | Exact match | 29 contacts → |
“othermo bietet eine skalierbare Lösung zur Digitalisierung und Optimierung bestehender Heizungsanlagen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | BHT Deutschland Gmbhwindhager.com HQ: Schriesheim, GermanyReported employees: 11-50 | Schriesheim, Germany | 11-50 | Exact match | 26 contacts → |
“Rocke die Zukunft mit REINSTEM HEIZEN Steige mit uns auf eine moderne Heizlösung um, die nicht nur umweltfreundlich, sondern auch zukunftssicher ist.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nuuenergynuuenergy.com HQ: Munich, GermanyReported employees: 11-50 | Munich, Germany | 11-50 | Exact match | 25 contacts → |
“nuuEnergy unterstützt Sie dabei, Ihre Heiztechnik klimafreundlich und zukunftssicher zu machen – mit moderner Wärmepumpentechnologie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ewers Heizungstechnik Gmbhewers.de HQ: Schloß Holte-stukenbrock, GermanyReported employees: 51-200 | Schloß Holte-stukenbrock, Germany | 51-200 | Exact match | 24 contacts → |
“Nachhaltige Wärmeversorgung Für die nachhaltige Wärmeversorgung entwickeln wir aus jahrzehntelanger Erfahrung, hochwertige und zuverlässige Produkte: Nah- und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Strawa Wärmetechnik Gmbhstrawa.com HQ: Schwabhausen, GermanyReported employees: 51-200 | Schwabhausen, Germany | 51-200 | Exact match | 23 contacts → |
“Seit 40 Jahren sind wir, die strawa Wärmetechnik GmbH, als Spezialist auf dem Gebiet der Wärmetechnik in Deutschland, Österreich und der Schweiz bekannt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dialogdirectdialoger.info HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Bemm Designheizkörperbemm.de HQ: Giesen, GermanyReported employees: 51-200 | Giesen, Germany | 51-200 | Exact match | 18 contacts → |
“BEMM liefert Designheizkörper für Neubau, Modernisierung und Objektbau.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Thermotec AGthermotec.ag HQ: Vierkirchen, GermanyReported employees: 51-200 | Vierkirchen, Germany | 51-200 | Exact match | 18 contacts → |
“Seit über 20 Jahren entwickelt und produziert die Thermotec AG hochwertige Elektroheizungen „Made in Germany“.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Groß-umstadt, GermanyReported employees: 51-200 | Groß-umstadt, Germany | 51-200 | Exact match | 18 contacts → |
“Wir sind ein international führender Anbieter von hocheffizienten Deckensystemen für Strahlungsheizungen, Kühldecken und Kühlkonvektoren.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | DER Kamindoktorder-kamindoktor.de HQ: Bamberg, GermanyReported employees: 51-200 | Bamberg, Germany | 51-200 | Exact match | 16 contacts → |
“Zukunftssicher, innovativ, familiär: Willkommen im #TeamKamindoktor!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | 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. | |||||
Showing 25 of 937 company matches
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Heating system 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
741 records in the displayed employee bands.
196 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 937 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 heating system 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 heating system retrofitting companies did RevenueBase find based in Germany?
The saved snapshot records 937 matching company records, 4,536 tracked contacts and 984 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
Heating system retrofitting companies by geography
- Heating system retrofitting companies based in London, United Kingdom
- Heating system retrofitting companies based in Australia
- Heating system retrofitting companies based in Austria
- Heating system retrofitting companies based in Belgium
- Heating system retrofitting companies based in Canada
- Heating system retrofitting companies based in Czechia
- Heating system retrofitting companies based in Denmark
- Heating system retrofitting companies based in Finland
- Heating system retrofitting companies based in France
- Heating system retrofitting companies based in Ireland
- Heating system retrofitting companies based in Italy
- Heating system retrofitting companies based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 heating system retrofitting companies based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/heating-system-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
- Heating system retrofitting companies based in London, United Kingdom
- Heating system retrofitting companies based in Australia
- Heating system retrofitting companies based in Austria
- Heating system retrofitting companies based in Belgium
- Heating system retrofitting companies based in Canada
- Heating system retrofitting companies based in Czechia