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W Series Liquid to Water Heat Pumps


This is our residential & commercial sized geothermal water to water heat pump or liquid-to-water heat pump. This Heat Pump is ideally suited for making large quantities of low temperature hot water, such as for in-floor heating or swimming pool heating.

Nordic® W Series Residential / Commercial

This heat pump works on open water wells or ground loops. This heat pump is also fully reversible, meaning it can also provide chilled water and domestic hot water. The W Series Residential is designed for a residential setting and is available in sizes from 2 to 6 nominal tons. It’s important to note that the smaller sizes of this machine (sizes 22-55) are in a smaller case than what is stated in the manual, their dimensions are 28” x 28” x 29”.

The W Series Commercial is available in capacities from 9 tons up to 81 tons. Typically several medium-sized units are selected and installed in parallel.