Commercial Refrigeration Bristol

 AERMEC, an Italian HVAC firm, has contributed to the advancement of heat pumps with its distinctive NRP multifunctional unit family.


NRP stands for "No Refrigerant Pipes," which is a very straightforward explanation of the philosophy behind which AERMEC has been developing these machines: delivering a hydronic (better) version of VRF systems.



Multipurpose units may supply cooling, heating, and domestic hot water (DHW) for a wide range of applications, including hotels, business buildings, and housing complexes.



Nowadays, direct expansion systems are losing way to hydronic systems, which are valued for their superior energy efficiency, installation flexibility, and overall extremely low operating costs. These factors contribute to the short payback period of such hydronic systems, not to mention the environmental advantages received.


Over the last 20 years in Europe, multipurpose heat pumps (also known as 4 pipe heat pumps) have taken the lead not only for applications requiring space heating and cooling in the middle seasons (4 pipes water systems) [typical of well-insulated buildings with large glass surfaces in continental climates], but also for applications requiring cooling and domestic hot water.


The latter is the common load profile for hotels, hospitals, and many other applications in hot/warm climate nations, which is why multifunctional heat pumps have lately gained popularity in South Asia. Typically, cooling is required in every building in these places for the majority of the year. Domestic hot water is also in high demand for usage in showers, laundry, kitchens, and other purposes.



Aermec is one of Europe's major HVAC equipment manufacturers and a pioneer in the development of multifunctional heat pumps. With extensive expertise in this industry, Aermec currently provides a complete line of multifunctional heat pumps ranging from 12 TR to 270 TR.


Domestic hot water is created for free as a result of this kind of technology whenever there is a current requirement for cooling. commercial refrigeration bristol


We describe a multipurpose unit as a heat pump with complete heat recovery that has a specialised refrigerant circuit design paired with a specific and dedicated management logic, allowing such unit to serve cooling and heating needs concurrently and independently.




AERMEC Heat Pumps: Heating and Cooling at the Same Time

The unit control is in charge of switching the refrigerant valves and doing everything necessary to meet the cooling and heating demand detected by the machine's water temperature sensors.


When compared to a standard chiller fitted with heat recovery, it is evident that this technology is game altering. The chiller with heat recovery can only create heating during chilling, and the available heating capacity is determined by the cooling capacity need. When there is little or no cooling demand, a backup heating source is required to supply the heating needs.

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