Qvantum QG Series

The Qvantum QG is a high-efficiency ground source heat pump delivered as a compact unit with a built-in source-side pump.

It is ideally suited for communal ground source heat pump systems, where one QG7 or QG14 unit is installed per property and all dwellings are connected to a shared borehole network.  This approach reduces the overall number of boreholes required through diversity, making it a cost-effective solution for multi-property developments.

The QG delivers heating, cooling, and domestic hot water in a single integrated unit, featuring an accumulator tank that acts as a thermal battery with heat storage up to 90°C. With FlexReady® functionality and API connectivity, it optimises energy use by operating during periods of low electricity prices or renewable surplus and is ready for flexible energy markets. Domestic hot water is produced instantly via a heat exchanger, eliminating legionella risk and simplifying water quality requirements.

Like all Qvantum heat pumps, the QG is designed to be as easy to service and maintain as possible. Thanks to its high degree of integration (integrated circulation pumps, hydraulic components, control system), the QG is not just space-saving but also makes installation simple and quick. The refrigeration circuit is hermetically sealed and contains an ultra low refrigerant volume of r290 – eliminating the need for leak detection or ventilation measures. In the event of service, it is replaced and refurbished at our factory with no need for refrigeration maintenance on site.

Typical applications include social housing retrofits and new build shared ground loop networks, as well as ground source projects for individual homes.

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