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HGZ Berlin

Your HVAC experts for heating, ventilation and sanitation in Berlin

Clear stance and uncompromising standards

At HGZ, we believe that every building should be special. Just as the people who design and use them are unique. That is why we do not think and act in the usual artisan templates, but ask bold questions and offer new answers for a sustainable, useful and valuable building technology. And we take responsibility: as individual companions for each and every one of our clients and their personal wishes, goals and needs. Because only those who really listen and understand what is important can build the best future together. With superior service, surprising solutions and an outstanding team.

Premium
Craftmanship

We deliver performance that
creates real added value

Highest
satisfaction

Top rated for punctuality,
quality, service and advice

Tangible
passion

We are passionate about our job
and our customers every day

High
competency

Experience and cutting-edge
Know-how in the perfect mix

Team of
Experts

Advice and execution by
highly qualified employees

Personal
guidance

We listen and recommend
only what suits you

Innovative
solutions

We always find the
individually best way

We do what we can.
We can what we do.

Regardless of whether you are a private or business customer. If you are looking for a top HVAC company in Berlin for your project, HGZ is definitely the right place for you!

Heating Solutions

Heating
Solutions

Would you like to modernize your heating system in Berlin or have your system professionally serviced? Here you can find out everything that is important.

Bathroom Solutions

Bathroom
Solutions

Whether it's bathroom renovation or age-appropriate bathroom conversion — in Berlin, we are the experts when it comes to your very own dream bathroom.

Renewable Energy

Renewable
Energy

Do you want to heat sustainably while saving energy and costs? With HGZ, you have the best craftsmen at your side in Berlin.

Domestic water technology

Domestic water
technology

From water treatment to leak protection — we are your specialists for healthy and sustainable water management.

Heating Meintenance

Heating
Maintenance

With an HGZ maintenance contract, you protect your heating system from unnecessary failures, increase its lifespan and save energy and costs.

Maintenance and repair

Maintenance
and repair

Burst pipes, heating faults, plumbing repairs, emergency service — our HGZ service team is there for you quickly and reliably when it matters.

HVAC CONSTRUCTION SYSTEMS

HVAC CONSTRUCTION SYSTEMS

From complex heating stations in residential buildings to sanitary systems in commercial buildings to air conditioning systems in hospitals — HGZ is your reliable partner!

HVAC PIPELINE CONSTRUCTION

HVAC PIPELINE CONSTRUCTION

Planning and construction of complex drinking water, sewage, heating water, fire extinguishing and gas pipes — we know our stuff.

RENEWABLE ENERGY

RENEWABLE
ENERGY

Let's build the future of building technology together. Whether it's a new building or modernization — we have the right, sustainable solution.

MAINTENANCE AND REPAIR

MAINTENANCE
AND REPAIR

Efficient and trouble-free technical systems are particularly important in the professional operation of buildings. With competent service and precise maintenance, everything runs as it should.

HVAC PLANNER

HVAC
PLANNER

From finding tailor-made solutions to perfect implementation — with over 25 years of experience and new thinking, we see ourselves as a top SHK partner for your project.

PUBLIC SECTOR CLIENTS

PUBLIC SECTOR
CLIENTS

Public construction projects have their own requirements. Our top references throughout Berlin show that we understand exactly what is important.

PROPERTY MANAGEMENT

PROPERTY
MANAGEMENT

Maintenance, repair or modernization? As long-standing experts in the HVAC sector, we provide reliable support to property managers.

Buildings are built for people. We are doing our part.

Dirk Zeuschner
Founder and CEO HGZ
>35
employees
>1 Mio.
hours of experience
>2.500
Service assignments per year
Heating revolution, rethought

Do we need more heat for buildings or for people?

With us, one is not available without the other. Because we want understand exactly what is really important to our customers when changing their heating system.

Our top service topics relating to heating and bathrooms

Valuable information, exciting online tools and attractive package offers await you.

heating
modernize

Do you want to modernize your heating system and save costs sustainably? We provide you with expert advice on all issues relating to heating replacement. You will receive your non-binding initial offer in 2 minutes via our heating calculator.

Professional heating check

With our heating check, we show you valuable savings potential. At the same time, you comply with the legal requirements for inspecting your heating system. Find out more about our attractive packages now.

Bathroom renovation with
3D planning

We bet you'll be amazed at what you can do with your old bathroom? Regardless of whether it's a mini bath or a wellness oasis. Our bathroom planners will find the perfect solution for your individual wishes — including ingenious 3D planning.

Age-appropriate bathroom conversion

In old age, a barrier-free bathroom provides important security and quality of life at home. We understand individual needs and show what is useful and possible — including current funding opportunities and gladly planned in 3D.

heating
maintenance

Your heating system is a complex system and is in use for thousands of hours a year. With a regular check, you can rest assured that everything is working optimally and reliably.

Our claim is actually very simple. We always want to offer our customers the best service!

Julian Steinberg
Head of Service bei HGZ

Für wen wir genau
die Richtigen sind

We take care of heating modernization or bathroom renovation in a single-family house in Berlin with the same care and passion as when constructing plants or pipes for planners, developers and public clients or servicing property managers.

Where can you find us?
Everywhere in Berlin, actually.

We are already a bit proud of our references. Take a look at where premium HVAC craftsmanship from HGZ is everywhere in Berlin.

Bundes­kanzleramt und Reichstags­präsidenten­palais
Heizung · Lüftung · Klima · Sanitär
Mittelpunkt­bibliothek Alte Feuerwache Treptow
Heizung · Sanitär
BMWK
Heizung
Choriner Straße 59
Heizung · Lüftung · Sanitär
Konzerthaus Berlin
Heizung · Sanitär
Bürohaus Evangelischer Friedhofsverband
Heizung · Sanitär
Museum
Hamburger Bahnhof
Heizung · Sanitär
Townhouse O17
Heizung · Sanitär
Olympiastadion
Berlin
Heizung · Lüftung · Klima · Sanitär
Unfallkrankenhaus Berlin - Haus 19
Heizung · Lüftung · Sanitär

Competent, reliable and with an absolute view of the bigger picture! HGZ makes a real difference.

Responsibility, rethought

Is sustainability
rather for or against
our nature?

Modern craftsmanship needs holistic claim, who not only thinks about today, but also about tomorrow and beyond. A clear focus that always accompanies us in everyday life.

What a team -
Come to HGZ!

Do you not just want a job, but a job where you can fully develop your passion for the HVAC craft? Where is it still about genuine listening, bold ideas and true customer enthusiasm? Then you've come to the right place, because we take craftsmanship to the next level!

Latest news on the HGZ blog

Our new website is live

Our digital figurehead provides plenty of information and service functions for customers and applicants.

Wir wurden mit dem German Customer Award ausgezeichnet

Die German Customer Awards prämieren jährlich Deutschlands beste Unternehmen im Bereich der Kundenzufriedenheit. Preisträger setzen Qualitätsstandards und heben sich durch besondere Leistungen und Innovationen im Kundenservice hervor.