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Envision line of geothermal heat pumps helps building owners dramatically reduce their energy costs by tapping into the free energy found beneath the earth in a ground loop application or by using a building’s internal heat energy by means of a boiler and a cooling-tower water loop. Comes in unit sizes ranging from 34 to 25 tons. Uses ultraquiet scroll compressors mounted on double-isolation plates made of acoustically treated metal and wrapped in a compressor blanket to provide superior noise reduction. Two-speed compressor technology improves indoor air quality by allowing extended run times. According to manufacturer, Envision’s two-speed compressor units achieve a 5.0 coefficient of performance in heating and a 30 EER (energy efficiency ratio) in cooling in ground loop applications, saving building owners up to 70% on their utility bills. WaterFurnace International Inc., Fort Wayne, Ind.