Company lists · Data refreshed September 2026
Top 25 Hvac system optimization firms based in Germany
RevenueBase identified 295 hvac system optimization firms headquartered in Germany as of September 2026 and tracks 1,819 professional contacts across them, including 443 with verified work emails. Berlin is the largest hub.
This list covers hvac system optimization firms headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest hvac system optimization firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 275 contacts → | ||||
Partial evidence “Mit Systemlösungen zum energieeffizienten Heizen, Kühlen und Lüften arbeitet KERMI täglich daran, einen nachhaltigen Wandel zu erzeugen – und das bereits seit über sechs…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 84 contacts → | ||||
Indirect evidence “The energy-saving pilot for all boiler rooms.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 72 contacts → | ||||
Indirect evidence “Seit über vier Jahrzehnten setzen Kunden auf innovative Energiespartechnik aus dem Hause ONI.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 40 contacts → | ||||
Indirect evidence “CENTROTEC SE is a listed company active in more than 50 countries specialized in energy-efficient building technology.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Strong evidence “The Envola System is an innovative, holistic and most sustainable approach to enable smart and efficient HVAC solutions for buildings.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 32 contacts → | ||||
Partial evidence “airinotec GmbH is a globally active provider of systems for sophisticated air conditioning and ventilation projects.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 29 contacts → | ||||
Indirect evidence “With deep roots in energy engineering and supported by our own software development, heatbeat works on innovative solutions for the dynamic simulation of heating and cooling…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 27 contacts → | ||||
Partial evidence “HOSCH Gebäudeautomation wurde 2002 in Teltow gegründet und hat sich als fabrikatsunabhängiger Systemintegrator mit Niederlassungen in Nürnberg, Hamburg und Düsseldorf in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 27 contacts → | ||||
Indirect evidence “Seit über 45 Jahren gestalten wir die Technische Gebäudeausrüstung von morgen – von zukunftsweisenden Kliniken und Gesundheitsbauten bis zu komplexen Büro, Bildungs- und…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Indirect evidence “Priva Building Automation helps owners, developers and investors to build environments that make people feel better while using energy in the most sustainable manner possible.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 21 contacts → | ||||
Indirect evidence “Unsere Gesellschaft für Leit- und Regeltechnik mbH ist ein dynamisches Unternehmen mit Hauptsitz in Papendorf für Beratung und Planung, Koordination und Ausführung sowie Betreuung…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 20 contacts → | ||||
Indirect evidence “Perfect building performance - right from the first minute of operation?” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Partial evidence “Herrmann offers intelligent, economical and future oriented solutions plus project management competence in the following fields of activities: • Distributed control system (DCS)…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 18 contacts → | ||||
Indirect evidence “Wir sind Ihr zuverlässiger Komplettanbieter für Kälte, Lüftungs, Kühl- und Heizlösungen in Gewerbe und Industrie.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Indirect evidence “Smart buildings - intelligent, user-friendly and energy-efficient buildings.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Indirect evidence “Die ADITES GmbH ist spezialisiert auf innovative Gebäudetechnik.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 13 contacts → | ||||
Indirect evidence “tga bodensee GmbH ist ein Unternehmen, das die Beratung und Umsetzung von zukunftsweisender Haus- und Energietechnik sowohl für Privat- als auch Gewerbekunden anbietet.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Partial evidence “Planning, consulting and execution for technical building equipment (tbe)- HVAC+R Basic services: Consulting / Concept / Planning / Tendering and awarding of contracts / Site…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “Wir arbeiten leidenschaftlich daran die Arbeitsbedingungen in gewerblichen und industriellen Objekten sicherer und angenehmer zu machen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 12 contacts → | ||||
Indirect evidence “Wir sind einer der führenden Komplettanbieter der technischen Gebäudeausrüstung mit rund 430 Mitarbeitern am Standort Borken.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Was wir tun?” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 9 contacts → | ||||
Indirect evidence “For 25 years INGA has been an innovative and reliable partner for construction and development in building automation on the German market.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Indirect evidence “Heizung - Klima - Sanitär” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Indirect evidence “Unser Tätigkeitsbereich umfasst den gesamten Bereich der „Technischen Gebäudeausrüstung“.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hvac system optimization firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names hvac system optimization firms.
- Partial evidence
- Its own public description names part of hvac system optimization firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac system optimization firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 295 hvac system optimization firms based in Germany
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 443 reachable decision-makers.
Free signup · no credit card
Hvac system optimization firms based in Germany at a glance
As of Sep 20, 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 295 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hvac system optimization firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Germany whose own description of what they do matches “hvac system optimization firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hvac system optimization firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among hvac system optimization firms, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 443 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hvac system optimization firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many hvac system optimization firms are there based in Germany?
RevenueBase identified 295 hvac system optimization firms headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Kermi Raumklima, headquartered in Plattling, tops this list with the largest team on record.
Which city has the most hvac system optimization firms?
Berlin leads with 15 headquartered companies, followed by Hamburg (8) and Munchen (7).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 443 verified decision-maker contacts tracked across these 295 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 295 hvac system optimization firms based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Hvac system optimization firms by geography
- Hvac system optimization firms based in Calgary, Canada
- Hvac system optimization firms based in Mississauga, Canada
- Hvac system optimization firms based in Toronto, Canada
- Hvac system optimization firms based in Mumbai, India
- Hvac system optimization firms based in Pune, India
- Hvac system optimization firms based in Austin, United States
- Hvac system optimization firms based in Charlotte, United States
- Hvac system optimization firms based in Chicago, United States
- Hvac system optimization firms based in Dallas, United States
- Hvac system optimization firms based in Denver, United States
- Hvac system optimization firms based in Houston, United States
- Hvac system optimization firms based in Indianapolis, United States
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hvac system optimization firms based in Calgary, Canada
- Hvac system optimization firms based in Mississauga, Canada
- Hvac system optimization firms based in Toronto, Canada
- Hvac system optimization firms based in Mumbai, India
- Hvac system optimization firms based in Pune, India
- Hvac system optimization firms based in Austin, United States