THUNDER (WiSAN-P) is the new air cooled reversible heat pump for outdoor installation with natural refrigerant, suitable for high water temperature production, equipped with inverter scroll compressors specifically designed for the use of R290, and inverter fans.
The WiSAN-P range from 35 to 73 kW, is the ideal solution to meet different kind of applications, from new installation to refurbishment, thanks to the full inverter technology, wide operating envelope and modular installation.
It's available in a single energy version, with outstanding seasonal efficiency levels both in low and medium temperature heating applications (SCOP W35 up to 4,7 and SCOP W55 up to 3,6).
The range is able to provide high leaving water temperature production and is suitable for colder climate thanks to the wide operating range, keeping always very low noise emissions.