Grundig PROLOGUE GR-4 9000 BTU R32 Inverter A++/A+ Outdoor Unit B77AC9 a circuit for a boiler

a circuit for a boiler for the production of domestic hot water via a heat generator and for the production of domestic hot water via a solar circuit

combining aesthetics and advanced functionality

Valve management

heating the rooms quickly and uniformly

Vaillant's new residential offer stands out for its sustainability

Grundig PROLOGUE GR-4 9000 BTU R32 Inverter A++/A+ Outdoor Unit B77AC9 a circuit for a boilerTHE EXTERNAL UNIT Groundig sets itself the objective of achieving extremely high yields with extremely competitive energy classes , both in cooling and heating (A++ A+). The outdoor unit is the true beating heart of the air conditioner; it is environmentally friendly thanks to the use of low GWP R32 gas and, thanks to inverter technology and the heat pump , always offers operating power suited to real needs of the moment, both in summer for cooling