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

heating the rooms quickly and uniformly

Valve management

Its performance is always at the top of its category

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