Company lists · Data refreshed November 2026

Top 25 Water heating system installers based in Germany

RevenueBase identified 420 company matches for water heating system installers associated with Germany as of November 2026 and tracks 1,216 professional contacts across them, including 155 with verified work emails. Berlin is the largest hub.

This list covers company matches for water heating system installers 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
420Companies
1,216Contacts tracked
155Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest water heating system installers based in Germany

Ranked by team size
Top 25 of 420 company matches for water heating system installers based in Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHilpoltstein, GermanyHQ recorded Nov 6, 202651-20031 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
2Exact matchDülmen-buldern, GermanyHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“HAGELSCHUER offers everything to do with efficient steam and superheated water supply.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchEhingen-donau, GermanyHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Energieeffiziente Warmwasser-Systeme”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPliezhausen, GermanyHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Die WR-Gruppe ist ein Team Echter Service-Profis für die Bereiche Sanitär, Fenster, Wärmeerzeuger und Handel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMemmingen, GermanyHQ recorded Nov 6, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRheinberg, GermanyHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Als langjähriger Innungsfachbetrieb des Sanitär, Heizungs- und Klimahandwerks unterstützen wir Ihre Wünsche in den Fachbereichen Bäder, Wärme und erneuerbare Energien mit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFrankfurt, GermanyHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“Wbmax GmbH delivers reliable and efficient heating, ventilation, plumbing, and electrical solutions to ensure comfortable, safe, and efficient spaces.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEisingen, GermanyHQ recorded Nov 6, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBerlin, GermanyHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Wenn, dann richtig: Mit dem umfassenden Heizsystem von warm°.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGröbenzell, GermanyHQ recorded Nov 6, 202611-505 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
11Exact matchMönchengladbach, GermanyHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Unser Unternehmen hat eine umfangreiche Expertise und Erfahrung in dem Bauen von Heizungen, zurzeit insbesondere Wärmepumpen, und Wellnessbäder sowie den dazugehörigen Service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAltensteig, GermanyHQ recorded Nov 6, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTiefenbach, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Ihr Spezialist rund ums Wohlfühlklima für Ihr Zuhause.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAerzen, GermanyHQ recorded Nov 6, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRadebeul, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Industrial processes rely on one critical factor: reliable and efficient heat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrugg, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Hirt Accogli AG ist Ihr verlässlicher Partner für hochwertige Sanitär, Heizungs- und Lüftungslösungen in Brugg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWeener, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBocholt, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Heizungssysteme und Wärmelösungen”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchWagenhausen, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchUlm, GermanyHQ recorded Nov 6, 202651-2003 contacts →

Exact match

“Premium-Wartung Um Ihre Anlagen nach Ihren Wünschen zu betreuen und zu warten, bieten wir Ihnen als Privatkunde drei verschiedene Wartungsmöglichkeiten an.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNordhorn, GermanyHQ recorded Nov 6, 202651-2003 contacts →

Exact match

“Das komfortable, energieeffiziente und zukunftsgerechte Wohnen ist heute mehr denn je eine Frage der inneren Werte: Die richtige Haustechnik nimmt mittlerweile einen sehr hohen…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchErbach, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Locher Haustechnik GmbH is a company based out of Oberer Luß 3, 89155 Erbach, Germany.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchStuttgart, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDallenwil, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBremervörde, GermanyHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

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

Showing 25 of 420 water heating system installers based in Germany

See the full list, filter by size, metro and specialty, and access 155 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Water heating system installers based in Germany at a glance

As of Nov 6, 2026
12.7%Verified-email coverage
2.9Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
234
11-50
74
51-200
10
201-500
3

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 420 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 “water heating system installers” 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 155 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 “water heating system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water heating system installers are there based in Germany?

RevenueBase identified 420 company matches for water heating system installers 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?

Enerpipe Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most water heating system installers?

Berlin leads with 18 company records, followed by Frankfurt (8) and Hamburg (8).

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 155 professional contacts with verified work emails tracked across these 420 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 420 water heating system installers based in Germany. Start with a free account, no credit card.

Download this list →

Related lists

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.