DetailsRXN - Outdoor Heat Pump. Quaternity outdoor heat pump incorporates extensive technological innovations giving features and benefits that deliver a solution significantly superior to a traditional "mini split" system. The system delivers one of the highest efficiencies on the market, with added features such as being able to set and monitor relative humidity, an integrated air cleaner module, and an excellent range of cooling and heating capacities. Quaternity represents a solution offering complete peace of mind.
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