Polonez Plus is a company with Polish capital specialising in the design and comprehensive execution of HVAC systems. Since 2020, it has also been involved in industrial energy transition and green hydrogen technologies.

Polonez Plus has more than 600 completed projects, offering a comprehensive approach to the execution of HVAC, sanitary, fire protection and building automation installations.
The company has its own production plant of prefabricated products for ventilation, air-conditioning and piping systems, from which the highest quality products are supplied to the facilities currently under construction.

The company is also developing its energy transformation solutions for businesses, logistics centres and cities. The offer includes a comprehensive approach to the subject of energy efficiency improvement, from the audit of the current state, to the design and construction of installations, to warranty and post-warranty service.

In this process, we draw on our expertise in energy generation from RES, optimised heat and cooling management and heat recovery in buildings. We also have expertise in the installation of green hydrogen generation, storage and processing.

Polonez Plus employs highly specialised staff with extensive experience, commitment and technical expertise. This translates into comprehensive service delivery and top quality solutions.

In order to meet customers’ expectations, the company introduces innovative technological solutions, thereby setting trends and showing that nothing is impossible.

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The association's board invites you to join the Central Hydrogen Valley. Łaszczyński Brothers legal persons as a supporting member who activate the activities of the Central Hydrogen Valley as well as activities and projects in a financial and substantive way. Hydrogen Valley as well as activities and projects in a financial and substantive way.