The Aquark Silence 11kW heat pump is the air source heat pump to end all air source heat pumps. It’s an incredible water heater that effortlessly, quietly and powerfully provides all the hot water you need for your hot tub or spa bath, but at the fraction of the cost of a traditional water heater.

Despite all that power, Aquark has an outstanding COP rating (the term COP is the official measurement of its “Coefficient of Performance”) of 10 for such a powerful water heater, providing an astounding 10 kw back for every 1kW of energy used. This means much cheaper electricity bills for you, a powerful stream of hot water, yet, at the same time, helping you to play your part to protect and sustain the planet.

With its patented InverPad technology, unique to Aquark, the Silence level of this air source heat pump, as the name suggests, is the most silent and energy saving inverter in the hot tub and swim spa industry. The Aquark’s unique airflow design eliminates every possible noise to ensure an average sound level of 40dB that is, the same noise as the hum of the average refrigerator.

The Aquark Silence 11kW heat pump also features the industry-leading efficient Stepless DC Inverter control system. A with all air source heat pump, it works by drawing the air in and over the advanced liquid refrigerant-containg evaporator. The refrigerant turns into a gas, which is then compressed to increase the heat and passes through the heat exchanger which transfers to water to heat it up. With its smart compressor conversion, fan motor and pressure system, it provides amazing energy saving performance.