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The highest efficiency water-source heat pumps on the planet. Like the Tranquility 27® series raising the bar for water-source heat pump efficiencies, features and application flexibility. Not only does the Tranquility 27® series far exceed ASHRAE 90.1 efficiencies, but they also feature EarthPure® HFC-410A zero ozone depletion refrigerant, making any of the Tranquility 27® series units an extremely environmentally-friendly option.
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