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After thousands of WRA units installed worldwide since 1989, the WRA ErP is the next generation of high efficiency chillers specifically designed for industrial process cooling.

Each WRA ErP is characterised by high thermodynamic performance that exceeds the most stringent minimum energy efficiency requirements imposed by the Ecodesign directive from 2021.

Learn more about WRA ErP here

STULZ SpA and Conserve It announce a strategic partnership

STULZ S.p.A. has entered into a strategic partnership with Conserve It, an international leader in Smart IoT & Smart Building, building automation and HVAC solutions, to develop an innovative range of smart building automation and optimisation solutions called CyberHub Plant.OPT

Click here to read the full article


Ecodesign Directive 2009/125/CE ErP2021 Compliance

The European Union, with Directive 2009/125/EC ErP and the related delegated regulations, has undertaken a path to reduce the energy consumption of appliances connected to energy use. As a manufacturer of chillers
and Free Cooling, we are actively involved in achieving this goal through the application of the principles of

In this scenario, Regulation (EU) 2016/2281 defines the EcoDesign requirements for cooling products and high
temperature process chillers (up to 2MW rated power).

Making cooling greener: eco-friendly refrigerant

Gas R513a: an eco-friendly solution for your system

The Global Warming and Climate Changes issues reached worldwide relevance, leading many countries to decide to cut emissions of greenhouse effect gasses, through decrees and specific regulations.
In particular, the Regulation n° 517/2014 enforces the phase-down of HFC, that play an important role in increasing the greenhouse effect.

The regulation aims to reduce by 80% the HFC and to change completely the refrigeration range by 2030.

Making cooling greener, one step at time

In STULZ S.p.A., we strongly believe that it is our duty to help reduce the impact that air conditioning and refrigeration have on the environment.

We study the most environmentally friendly solutions, aiming for maximum free cooling and energy efficiency on the market and introducing low GWP refrigerants, and adopt procedures that make all our actions greener.

Green Mobility

E-Mobility: a new era for road transportation

The emissions from the use of fossil fuels for road transportation are one of the main causes of pollution in urban areas and of the increase in the greenhouse effect.

No wonder, then, that authorities all over the world are activating restrictions on the circulation of cars that do not respect precise emission parameters, pushing the automotive industry and consequently the energy suppliers,

Case history – Air conditioning for cabinets on a railway line

Air conditioning for cabinets on a railway line

The Customer

Cometi S.r.l. is a major manufacturer of shelters and cabinets for high
technology content equipments for telecommunications, oil & gas,
photovoltaic sector and control systems.
The production range is divided into three main categories:
• shelter with active cooling system
• shelter with passive cooling system
• ventilated cabinets
• cabinet with active/passive cooling system


The high-speed railway line “Direttissima Roma-Firenze” connects two of
the most important Italian cities,

New FlexIn CDI

We are glad to introduce the new high efficiency Cosmotec solution: the new air conditioner FlexIn CDI, with Inverter technology.

FlexIn CDI has flexibility  as strong point: for its cooling capacity (from 1000W to 4200W); for mounting options (external, semi-flush or flush); for the wide range of power supply voltages; wide operating range (from 10°C to 60°C,