NRG ZONE 6Sealed system with a large boiler as the heat source – the system has six central heating or domestic hot water (DHW) zones
Heat PumpNRG ZONE 5UF One ZoneSealed system with a heat pump, a radiator circuit, an underfloor heating zone and a domestic hot water (DHW) cylinder
NRG ZONE 5UF One ZoneSystem with two oil boilers, solar panels and two optional gas boilers as the heat sources
NRG ZONE 4UF One ZoneUnderfloor HeatingSealed system with an oil boiler, solar panel and an optional gas boiler as the heat sources
Heat PumpNRG ZONE 4UF One ZoneUnderfloor HeatingSealed system with a heat pump, solar panel and an optional gas boiler as the heat sources
NRG ZONE 4System with an oil boiler, two radiator central heating zones and a domestic hot water (DHW) cylinder
NRG ZONE 6UF One ZoneUnderfloor HeatingSealed system with a gas boiler, two radiator zones, an underfloor heating zone and a domesitc hot water (DHW) cylinder