List of the 50 largest Heating and Cooling Technology Companies in Germany

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“The best overview of the largest German heating and cooling technology companies available on the market.”

Features of Researchgermany

  • Useful information included: field of activity, revenues (2019, 2018, 2017, 2016, 2015), executive names, address, email, website, etc.
  • Download valid at any time, free updates for at least 12 months, free preview available
  • Last Update: 14.09.2021

This list is an excerpt of our List of the 5,000 Largest Companies in Germany

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Overview of the largest heating and cooling technology companies

Overview of the companies with the highest turnover in the heating and cooling technology sector, presented by Listenchampion

Heating and cooling technology is an important field of activity in Germany. We will present it here in our list. The heating and cooling technology industry is an merger of companies that are active in the fields of heating technology or cooling technology. Since the two areas are closely related and many companies are active in both industries, we have combined them in our list. This includes Valeo GmbH from Bietigheim-Bissingen in Baden-Württemberg, Germany, which generated sales of more than €19.4 billion in 2019 and manufactures heating and air conditioning equipment for cars and commercial vehicles, among other products.

Database of the largest heating and cooling technology companies in Germany as Excel-file available for download

Our list of the largest heating and cooling technology companies in Germany is a unique overview of the companies with the highest sales in the industry – presented in a comprehensive Excel file. The data set is available for purchase via our online store and can be downloaded directly after purchase. Our list does not only contain the general contact information of the companies, but also contains the names of the current management as well as the revenue from the last five years. Our database saves you hours of research and you will be able to get started with your work immediately. Our research team updates the listed information on an ongoing basis, ensuring that you are always working with accurate and up-to-date data. Within one year of purchase, you will receive free updates via email. If you have any questions, please do not hesitate to contact us and we will be happy to support you with our data set of the largest heating and cooling technology companies in Germany.

This information will be included in the list of the largest heating and cooling technology companies in Germany:

  • General contact details (address, e-mail address, telephone number, URL)
  • Names of the management
  • Sales for the years 2019, 2018, 2017, 2016 and 2015 (based on the respective annual or consolidated financial statements via the Bundesanzeiger)
  • Employee numbers (based on the most recent annual or consolidated financial statements via the Bundesanzeiger).

Note: If the sales and employee figures are not included in a company’s own annual financial statements but in their parent company’s consolidated financial statements, the data from the parent company will be provided.

Database heating and cooling technology

List of the 5 largest heating and cooling technology companies in Germany

Heating, cooling and air conditioning technology is a field of activity strongly characterized by lots of Mittelstand companies. There are numerous craft businesses, but also around 500 larger industrial companies in this sector. Here are the 5 largest:

1) Valeo GmbH, Bietigheim-Bissingen: 16.4 billion euros in (consolidated) sales.

Valeo is a major French automotive supplier headquartered in Paris. The German subsidiary Valeo GmbH employs 7,100 people. One of Valeo’s business areas is thermal systems. In Germany, heating/air-conditioning units for cars, commercial vehicles and buses are developed and produced at several locations in this sector.

2) Viessmann Climate Solutions SE, Allendorf: 2.8 billion euros sales

Viessmann has been involved in heating technology since 1917. In the meantime, the company sees itself as a heating expert with the goal to further establish themselves as a provider for heating, cooling and ventilation. The group, with 12,300 employees, is active in over 30 countries.

3) Vaillant Group, Remscheid: €2.7 billion sales

Founded in 1874, Vaillant has written heating technology history. Among the numerous Vaillant inventions is, for example, the central heating boiler first presented in 1924. Today, with around 15,000 employees worldwide, the Group covers a wide range of solutions and products for heating, cooling and water heating.

4) Wilo SE, Dortmund: 1.5 billion euros in sales

Wilo began in 1872 as a copper and brassware factory. Later, the company shifted its focus to pumps. Wilo produces pump systems for building services, water management and industry. Wilo pumps are also used in heating and cooling systems. The company has over 7,700 employees and operates worldwide.

5) STULZ GmbH, Hamburg: 1.2 billion euros in sales

STULZ was founded in 1947 as an electrical engineering company and today deals with air-conditioning technology for data centers and industrial plants. The company produces air-conditioning systems and offers maintenance services for them. STULZ is also a sales partner for Mitsubishi Heavy Industries air conditioning systems. The company employs around 1,200 people.

Lead-generation made easy: Valuable data on Germany’s top-selling heating and cooling technology companies presented in an easy-to-understand data set

Why should you choose our list of the largest heating and cooling technology companies in Germany? There are many reasons. First of all, we work continuously and relentlessly on the data quality of our data sets. This guarantees that the information included is as up-to-date as possible and we ensure to always look for the companies with the highest sales. Many lead-generation databases often have outdated data and do not incorporate all relevant companies. Another benefit of our data sets is the clear, clean presentation as an Excel file. Industry overviews in pdf format are practical for certain purposes, but can neither be imported into a CRM system nor edited according to your needs. In addition, there is detailed information in our industry lists, which allows uncomplicated sorting and filtering according to your needs.

The list of the largest heating and cooling technology companies is an excerpt from our Germany-wide database.

Listenchampion has the ambition to tranform fuzzy markets by creating transparent and accessible data sets. Our industry database is characterized by high-quality data and contemporariness. Our research team is constantly working on optimizing and expanding our database so that we can always provide our customers with the best possible data. At the center of our work is our list of the 5,000 companies with the highest turnover in Germany. We analyze the largest companies in the country, classify them according to industry and area of activity, and compile the sales and employee figures for the last few years. Thus, our customers can immediately start working with their list and establish new partnerships. Based on this database, not only our overview of the largest heating and cooling technology companies has been created, but also numerous other data sets of the German industry. In addition to our list of the largest heating and cooling technology companies in Germany we also offer various Germany-wide industry lists (e.g. dataset of the 400 largest mechanical engineering companies in Germany).
A large number of such data sets is available on our website and we will also be happy to create individual extracts for you. If you have any questions, please do not hesitate to contact us and we look forward to hearing from you.

Picture source: Unsplash (Thomas Millot), Unsplash (Achudh Krishna)

Frequently asked questions about our list of the largest heating and cooling technology companies in Germany

The most important questions about our list of the largest companies Germany

Of course! You can write us via e-mail to contact[at] or Live-Chat to get a free preview with 5 exemplary entries. Our support is looking forward to helping you.

The companies included in the list can be found through various sources: Internet research, public registers, analysis of relevant news, investigation of relevant transactions, our extensive personal network. Hundreds of hours of detailed, high-quality research flow into each of our lists. All data points that we can enter via publicly available sources are included in our lists.

Every data point for which there is publicly available information is filled out in our lists. However, if we do not have an e-mail address or we do not know whether a company is investing in a particular area, we fill this field with an “n.a.”. In most cases we achieve a data coverage of over 90%. If you want to know the exact coverage of the list – e.g. how many e-mail addresses are available – our team will be happy to help you.

Our lists are always delivered as handy Excel files. On request we can also send you the list as a CSV file.

After purchasing the list, you can immediately download the list as an Excel file when paying by credit card or PayPal. You will also receive a download link by e-mail. Future free updates will also be sent to you by e-mail.

We have noted the last update date in the product description at the top of the page. We update our lists regularly. Our customers receive free updates and additions to the list for at least 12 months.

Our lists contain – if publicly available – address, telephone number, e-mail addresses and management names of the listed companies. For privacy reasons, we may only include information that is publicly available or provided by the companies. If no data points are available, there is an “n.a.” in the corresponding field.

Due to GDPR our lists do not contain personal e-mail addresses and telephone numbers. Our lists contain publicly available contact data or contact data provided by the companies (e-mail address, telephone number, postal address, names of directors).

Our lists do not contain any personal contact data that is specifically protected by the European Data Protection Regulation (GDPR). Our lists always contain publicly accessible data points (official registers such as the Commercial Register or the Federal Gazette, Internet, company websites) or data provided voluntarily by companies. In Germany, contact is regulated by §7 UWG. Thus, postal advertising in the B2B sector is generally permitted. Contacting by telephone is permitted if the business contact is presumably interested. This is often also assumed for e-mail contact, as long as the contact is made once and the contact is not included in newsletters without being asked. Important note: We are not lawyers and cannot make legally binding statements. If you have any open questions, please feel free to contact us.

The companies included in the lists can be contacted in various ways – by telephone, postal letter, e-mail, networks such as LinkedIn, jointly attended trade fairs. In order to establish successful contacts, it is particularly important to work on individualized addresses tailored to the respective companies. Mass letters are rarely successful. Instead, our customers are most successful when they adapt to the companies included in our lists, obtain information and then address them in a customized manner. Another successful approach is to contact them via LinkedIn, for example, by selecting the right contact person from our list and then addressing them via a consistent starting point. Intros” that are mediated via shared contacts are also a good step towards establishing contact. Also possible: at trade fairs visited together, you can use the trade fair lists to search specifically for companies included in the lists and make appointments for meetings. In general: the more effort is put into the individual approach, the more successful it is. Think about what suitable starting points are, how you can deliver added value and show the addressed companies that you put a lot of effort into the contact. Many of our customers have already built up valuable and successful business relationships.


Any questions? Get in touch!

Leo Semmelmann, Founder
contact [at]
+49 (0) 89 38466606

We are looking forward to help you in case of any questions, remarks and individual requests. Feel free to get in touch via email, live chat or phone. We can also offer you package prices and can create individual lists.


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