OUR SERVICES

We don't just build installations — we create reliable and long-term solutions through design, supervision and implementation that ensure quality, safety and lasting value.

OUR SERVICES

We don't just build installations — we create reliable and long-term solutions through design, supervision and implementation that ensure quality, safety and lasting value.

Širok spektar rješenja prilagođenih potrebama partnera.

On the domestic market, we successfully perform a wide range of installation works, with a special emphasis on thermotechnical installations and water supply and drainage installations. Our expertise encompasses all standard heating, cooling, water supply and drainage systems, which we perform according to the highest European standards.

On the international market, especially in Germany, we are additionally specialized in more complex systems and technologies, among which KWS WRG systems, thermal energy systems, evaporation systems, sprinkler systems, industrial pipelines and refrigeration technology stand out. It is precisely this combination of professional knowledge and extensive experience that allows us to provide reliable and modern solutions tailored to the specific needs of each project.
DESIGNING
SUPERVISION
IMPLEMENTATION
DESIGNING
SUPERVISION
IMPLEMENTATION

A wide range of solutions tailored to partner needs.

On the domestic market, we successfully perform a wide range of installation works, with a special emphasis on thermotechnical installations and water supply and drainage installations. Our expertise encompasses all standard heating, cooling, water supply and drainage systems, which we perform according to the highest European standards.

On the international market, especially in Germany, we are additionally specialized in more complex systems and technologies, among which KWS WRG systems, thermal energy systems, evaporation systems, sprinkler systems, industrial pipelines and refrigeration technology stand out. It is precisely this combination of professional knowledge and extensive experience that allows us to provide reliable and modern solutions tailored to the specific needs of each project.
DESIGNING
SUPERVISION
IMPLEMENTATION

Designing

During the design phase, we create detailed technical documentation that ensures optimal system functioning, energy efficiency, and long-term maintenance. Our team follows all applicable regulations and standards and uses modern tools and technologies in project development.

We design:

- heating, cooling and ventilation systems
- plumbing and drainage installations
- technical water and sanitation systems
- gas installations and systems for preparing domestic hot water

We carefully analyze the needs of users and adapt solutions to each building, whether it is a residential, commercial or industrial building.
Construction plans of architectural project
Construction plans of architectural project

Designing

During the design phase, we create detailed technical documentation that ensures optimal system functioning, energy efficiency, and long-term maintenance. Our team follows all applicable regulations and standards and uses modern tools and technologies in project development.

We design:

- heating, cooling and ventilation systems
- plumbing and drainage installations
- technical water and sanitation systems
- gas installations and systems for preparing domestic hot water

We carefully analyze the needs of users and adapt solutions to each building, whether it is a residential, commercial or industrial building.
Engineers near the factory. Mtn in a helmet. Inspector looks at the building.

Supervision

Professional supervision is key to the successful implementation of any project. Our task is to ensure that all work is carried out according to the project, regulations and agreed quality standards. We regularly monitor the dynamics of the construction site, check the completed work and documentation, and ensure that all systems are properly installed and tested.

Supervision includes:

- technical and professional supervision of installation work
- quality control of materials and works
- coordination with contractors and investors
- technical support during installation and commissioning

Our goal is to ensure that every project is carried out safely, efficiently and according to plan.
Engineers near the factory. Mtn in a helmet. Inspector looks at the building.

Supervision

Professional supervision is key to the successful implementation of any project. Our task is to ensure that all work is carried out according to the project, regulations and agreed quality standards. We regularly monitor the dynamics of the construction site, check the completed work and documentation, and ensure that all systems are properly installed and tested.

Supervision includes:

- technical and professional supervision of installation work
- quality control of materials and works
- coordination with contractors and investors
- technical support during installation and commissioning

Our goal is to ensure that every project is carried out safely, efficiently and according to plan.

Implementation

We perform all types of mechanical, plumbing and drainage installations to the highest professional standards. Our team consists of experienced craftsmen and technicians who use modern technologies and proven materials.

Implementation includes:

- heating, cooling and ventilation systems
- installation of water and sewage installations
- testing and commissioning of the system
- maintenance and technical support after completion of work

We approach each project with full responsibility and professionalism, with the goal of delivering permanently reliable solutions.
https://gramont-drenova.eu/wp-content/uploads/2025/08/Mockup_1-640x480.png
https://gramont-drenova.eu/wp-content/uploads/2025/08/Mockup_1-640x480.png

Implementation

We perform all types of mechanical, plumbing and drainage installations to the highest professional standards. Our team consists of experienced craftsmen and technicians who use modern technologies and proven materials.

Implementation includes:

- heating, cooling and ventilation systems
- installation of water and sewage installations
- testing and commissioning of the system
- maintenance and technical support after completion of work

We approach each project with full responsibility and professionalism, with the goal of delivering permanently reliable solutions.

GRAMONT DRENOVA d.o.o. for construction and installation

Slavka Kovačića 3 10360
Sesvetski Kraljevec
City of Zagreb, Croatia
Tel.: +385 (0) 1 2011577
E-mail.: gramont.drenova@gramont-drenova.hr

REGISTERED DATA:

PIN: 92608541689 / MB: 020021768
The company is registered in the court register of the Commercial Court in Zagreb.
Share capital: €3.225, paid in full.
Company director: Hrvojka Fabijan.

BUSINESS ACCOUNTS:

OTP BANKA HRVATSKA d.d., 21000 Split, Ulica Domovinskog rata 61,
IBAN: HR6724070001100369563
ZAGREBAČKA BANKA d.d., 10000 Zagreb, Trg bana Josipa Jelačića 10,
IBAN: HR2023600001102628886

GRAMONT DRENOVA d.o.o. for construction and installation

Slavka Kovačića 3 10360
Sesvetski Kraljevec
City of Zagreb, Croatia
Tel.: +385 (0) 1 2011577
E-mail.: gramont.drenova@gramont-drenova.hr

REGISTERED DATA:

PIN: 92608541689 / MB: 020021768
The company is registered in the court register of the Commercial Court in Zagreb.
Share capital: €3.225, paid in full.
Company director: Hrvojka Fabijan.

BUSINESS ACCOUNTS:

OTP BANKA HRVATSKA d.d., 21000 Split, Ulica Domovinskog rata 61,
IBAN: HR6724070001100369563
ZAGREBAČKA BANKA d.d., 10000 Zagreb, Trg bana Josipa Jelačića 10,
IBAN: HR2023600001102628886