
HVAC
Planner

We understand what is important to you as a planner or project developer.
Strong craftsmanship requires real teamwork. Not only on site, but also in a joint dialogue and in understanding your individual requirements and needs as a HVAC planner or project developer. With over 25 years of experience and hundreds of major projects, we are therefore your reliable and efficient HVAC expert in Berlin.
- Tailored solutions for heating, ventilation and sanitation
- HVAC system & pipeline construction and renewable energy
- Premium craftsmanship from planning to assembly
- Sustainable maintenance and true service excellence
- Top references from residential construction to industry
First-class references!
Building technology, made by HGZ, can be found everywhere in Berlin.

Villa Borsig (Gästehaus des Außenministeriums)

Ephraim Palais

Olympiastadion Berlin
Many people talk about competence on equal footing. With HGZ, that is exactly what we really like!
We are happy to be there for you personally

Zeuschner
As a project manager at HGZ, I take care of all matters relating to planners and developers. You can easily reach us via the direct contact form or by phone at 030 5497939-12.
In the mood for a
strong connection?
Follow us on LinkedIn or visit our blog and look forward to valuable insights and ideas about HVAC building technology.

Expertise
meets passion!
HGZ makes
a difference!
Are you not just looking for a top HVAC company in Berlin, but a partner on equal footing who thinks outside the box in the long term and is passionately committed to your project? Then let's build the future of building technology together.
- Residential & commercial buildings
- Office & commercial properties
- Industrial buildings
- Hospitals
- Schools & daycare centers
- Cultural & event locations
- Public buildings
- Hotels


Ist Mut zu neuen
Perspektiven
vielleicht das beste Zukunftsmodell?
Jeder Mensch und jedes Projekt verdient einen eigenen Entwurf für die Zukunft. Deshalb ist Gebäudetechnik für uns stets Maßarbeit – im Großen wie im Kleinen.
Got Any more questions?
We've got all the answers.
Here you can find frequently asked questions and answers from HVAC
planners and project developers.
What does your quality management look like?
Our quality management is based on strict internal guidelines and control procedures to guarantee the highest quality and customer satisfaction. This is also reflected in the "Profi im Handwerk" certification, which covers many elements of DIN ISO 9001.
Can you provide reference projects of a similar type and size?
We are happy to show you a selection of our reference projects that demonstrate our expertise and experience in similar endeavours.
Do you have experience installing renewable energy systems in large-scale projects?
Yes, we have extensive experience in the planning and installation of renewable energy systems at various scales and levels of complexity.
Can you realise modern sanitary facilities for high-quality residential and commercial buildings?
We are experienced in realising sophisticated, modern sanitary facilities for a wide variety of residential and commercial buildings.
How do you ensure compliance with budgets and schedules?
We rely on careful planning and close coordination with all parties involved to deliver projects within the given time and budget framework.
How flexibly do you respond to plan changes during a construction project?
Our teams are trained to respond flexibly and efficiently to changes in the course of a project to ensure smooth implementation.
Do you offer support for compliance with the GEG and other legal requirements?
Of course, we support you in complying with all relevant regulations such as the GEG (Buildings Energy Act) and advise you on the best implementation options.
How do you integrate sustainable and energy-efficient technologies?
We place great emphasis on the use of sustainable and energy-efficient technologies, including PV systems, heat pumps and modern heating technology.
Can you offer customised HVAC solutions for complex construction projects?
Yes, we specialise in individual solutions and adapt our HVAC systems to the specific requirements and conditions of each project.