These two-stage systems use circulated water as a heat transfer medium. The warmed or cooled fluid is piped through a closed loop from the tempering unit in the engine room to any number of air handling units throughout the boat.

Dometic’s unique reverse-cycle design provides very efficient heating, even in relatively cold seawater temperatures, in many cases eliminating the need for separate heating systems.

Dometic offers a complete line of single-compressor and staged multi-compressor systems from 1.5 tons up, utilizing state-of-the-art compact modular tempering units.

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Developed through innovative engineering, this high-efficiency system blows chilled air through high-velocity directional jets aimed at people in
the helm station, outdoor salon, fishing area or other locations. Just when rising temperatures would normally force passengers into air conditioned living space, they continue to enjoy their current location as jets of chilled air automatically start blowing on them.

CoolBreeze’s two-stage operation is totally automatic based on two user-defined set points, and can easily be installed on boats of all types and sizes. It is available as factory-installed OEM equipment and it can be retrofitted onto existing boats as an aftermarket product. CoolBreeze uses
environmentally safe R-417A refrigerant

Dometic Cool Breeze at Marine-AC.com