Swedish heat pump maker Qvantum has unveiled a revolutionary apartment heat pump that is so compact, it can fit under a kitchen sink. The QG apartment heat pump, which offers integrated heating, cooling, and hot water in one system, was recently awarded the German ISH Design Plus 2023 award for its sustainability, aesthetic appeal, and functionality.
The 6 kW heat pump is modular and easy to install and service. It measures 230 mm x 430 mm x 410 mm (9 in x 17 in x 16 in) and weighs 30 kg (66 lbs). The pre-plumbed indoor water tank unit can be hung on a wall anywhere in the apartment. It has a capacity of 145 liters (38 gallons) and measures 500 mm x 500 mm x 1,050 mm (19.7 in x 19.7 in x 41 in), weighing 95 kg (209 lbs).
Qvantum’s apartment heat pump is based on local low-temperature district heating networks with centrally placed heat pumps. The networks have a water temperature of around 10-20C (50-68F). The energy in that grid is used by the apartment heat pumps to provide heating and cooling, with hot water up to 70C (158F). Excess heat and cold is harvested along the circuit and recycled to the grid, making it an energy-efficient and net zero solution if renewable electricity is used.
Qvantum is building a new factory to meet demand, with a production capacity of around 50,000 heat pumps per year. In 2023, the 30-year-old company raised €42 million from investors in a B-round. Besides the apartment heat pump, Qvantum also sells exhaust air, geothermal, and air-to-water heat pumps that range from 4 to 192 kilowatts.
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