The thermal energy that is collected during the cooling of the environment goes to heat another environment. This in addition to being a very efficient solution, is convenient if some want to heat the room, and some want to cool it.At first glance the system has a number of benefits. Unlike other systems, which use 3 pipes, the R2 system uses only twopipes, which results in: less pipe installation, less work; less risk in gas leakage; higher flexibility.The technical group started work.7 PURY-P YNW outdoor units were installed in the facility, a product which is produced in Japan, certified for the high performance it offers, low energy consumption as well as the advanced noise control functionalities of the unit; and 60 indoor PEFY-P duct units, of which only the airbags are visible.In facilities such as the Black Diamond hotel, in addition to the service that of course is very important, is the hotel decor. That’s why duct type units are therefore a perfect and preferred solution.For the production of domestic hot water there are placed 6 PWFY units. Perfect for the production of hot water for the pool too. A de-escalator has also been set up for the latter.Not to mention the ventilation system, very important when it comes to air quality, increasing the comfort of customers and staff working there, 12 Lossnay units are mounted on the facility.The Heat Recovery R2 system used on the Black Diamond is a state-of-the-art, comprehensive and multifunctional technology system. Perfect solution, with high energy efficiency, reducing annual costs of energy bills, high air quality, as well as absolute quietness during operation