About us
New thinking for Berlin, the future and the world
For us, craftsmanship means responsibility and creative power at the same time. With what we do every day as HVAC experts in and for Berlin, we can and want to shape the future thus making it more liveable for everyone. It is important to us not to look at the relevant topics separately, but to link them well together.
- Sustainable and sensible use of resources
- Openness to technology and digital expertise
- Real participation and shared responsibility
- Unparalleled customer relationship
- Modern employer and management culture
This is how crafts really make sense
Our success is based on three clear, interlocking principles:
1. New thinking as a continuous requirement creates valuable new perspectives and solution ideas for every task.
2. In acting, we combine valuable skills: listening and advice. Reliability and flexibility. Innovative strength and experience. Efficient digitization and personal service...
3. We always keep an eye on people. And the question of how we can effectively improve their life, their work and also their future.
We combine craftsmanship, attitude and digitization for noticeably more customer enthusiasm!
Can we reduce our
footprint, even
though we're growing?
Energy & resources are valuable. That is why we handle both with care. And do our part for a more livable future for future generations.
In the end, it's not about our work.Just about what it does to people!
We are passionate HVAC craftsmen and love what we do. But in the end, it's not about the perfectly modernized heating system or the new dream bathroom, but something completely different...In the end, nothing is more valuable to us than the certainty that our customers feel seen and understood by us... and that is exactly why we were able to do the perfect job for them.
Strong Service:
We think of everything
so you don’t have to!
As an HGZ customer, you will quickly notice that we are not only HVAC specialists, but also absolute service experts who make every project as easy and safe as possible for you.
How do we work?
Excellent!
In this case, we don't just mean our craftsmanship. Because HGZ is one of the best SHK craft businesses in all of Germany and has received multiple awards. When it comes to customer reviews, we are also proud to regularly receive top marks for our work. You can find out more about our work and our awards in our blog.
Let's talk:
Your contacts
at HGZ
Brand partners
you can rely on.
We set the highest standards of quality, sustainability and reliability not only for ourselves, but also for our partners and suppliers.
As a leading provider of heating, ventilation and air-conditioning technology, the German family-owned company stands for innovative and energy-efficient system solutions. With all products, Vaillant places great value on comfort, usability and sustainability in order to create a greener future.
As a top expert for faucets, showers and sanitary systems, Grohe has always shaped the industry with high design standards, top technology and innovative sustainability. The products combine functionality, durability and aesthetics perfectly and make using water a real experience.
Viessmann is one of the leading manufacturers of heating and cooling systems. With the aim of making living spaces sustainable for the future, the family-owned company focuses on innovative solutions and the highest quality standards and is thus actively driving the energy revolution forward.
Since 1874, the Swiss company has stood for innovative, aesthetic and high-quality sanitary products such as faucets, cisterns, installation systems and ceramics and has always been committed to intelligent bathroom solutions and efficient use of resources.
Bosch Thermotechnology stands for high-quality heating products and hot water solutions. With pioneering technology and a clear focus on sustainability, innovation and convenience, the company makes a significant contribution to environmentally friendly heating and water supply.
Since 1748, Villeroy & Boch has stood for fine porcelain and high-quality ceramic products in the sanitary sector. As a synonym for quality, the brand not only combines tradition with innovation, but also sets unique style accents worldwide with its passion for design and perfection.
Buderus (Bosch Group) for absolute quality and reliability in the area of heating and heating technology. With a wide range of products from efficient heating systems to intelligent control solutions, the company is clearly focused on sustainability, innovation and customer proximity.
The family-owned company specializes in drinking and heating water treatment and offers tailor-made solutions for private single-family homes as well as complex major projects. Magnetic products guarantee top quality standards and are 80% “made in Germany”.
As an expert in water treatment, Grünbeck stands for quality and innovation in the area of clean water. Whether for household, industrial or commercial use — the brand promises the highest standards and durability and is committed to ensuring that every drop of water is optimally treated and protected.
Hansgrohe stands for high-quality bathroom & kitchen fittings and sanitary systems, made in Germany. With innovative technologies and award-winning designs, Hansgrohe regularly sets new standards in terms of sustainable use of resources and user experiences.
Samsung is one of the top manufacturers in Europe when it comes to air-conditioning technology and produces first-class and energy-efficient air conditioning systems for private and business applications. Samsung combines environmental sustainability with ease of use to improve the quality of life.
AXOR produces iconic objects for luxurious bathrooms and kitchens. In collaboration with world-renowned designers (including Philippe Starck and Antonio Citterio) — AXOR offers products in a wide range of styles. All faucets, showers and accessories meet the highest quality standards without exception.
The Danish company VOLA is famous for its designer fittings and combines minimalism, functionality and traditional craftsmanship with modern technology. The products stand for sustainable quality and elegance and set standards in timeless, Scandinavian design.
BWT is a declared market leader in water treatment whose mission is to deliver the best water quality for everyone. BWT not only improves water through purification, but also through mineral enrichment, thus making a lasting contribution to health and well-being.
Is courage to new prospects perhaps
the best future model?
Every person and every project deserves their own design for the future. That is why building technology is always for us bespoke — both large and small.
Got any more questions?
We've got all the answers
If you want to learn more about HGZ, here are some frequently asked questions and answers. Of course, you can also contact us personally at any time.
How much do your services cost?
Our prices for service calls can be found on the Pricing page. You can easily calculate the cost of a heating service using our heating maintenance calculator. For project-based work, costs depend on the scope and requirements. We're happy to provide a personalised quote.
What does your company do in terms of sustainability?
We place great value on ecological sustainability and offer innovative solutions in the field of renewable energies.
Do you also offer maintenance services?
Yes, we offer comprehensive maintenance and repair services. Find out more about our services for private customers and regional property management companies.
How long have you been in business?
We have been operating in Berlin since 1996 and bring many years of experience in the HVAC trades.
Is the installation of pure gas and oil heating systems still permitted?
According to current legislation in Germany, the installation of new heating systems that run exclusively on fossil fuels such as gas or oil is subject to increasingly strict regulations. From 2024, new heating systems must generally be capable of operating with at least 65% renewable energy. We will advise you on the current legal situation and suitable alternatives.
