Aquazone 50PCV036LCN3 3 Ton Heat Pump The Versatile Workhorse This Aquazone Heat Pump with Puron Refrigerant lets you find that optimum temperature to keep your space cool all day long and through the night. The unit can be installed vertically or horizontally and offers a variety of airflow configurations. Featuring a compact design, this heat pump finds its application in places where space is a concern. This air conditioning appliance is widely used in new construction sites and renovation applications owing to its compact design and powerful performance. Furthermore, the heat pump can be conveniently used in traditional and geothermal LEED certification driven projects.