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GeoStar introduces the Sycamore Series geothermal comfort system, which combines a variable-capacity compressor with a variable-speed blower motor and a variable-speed loop pump to provide energy-efficient comfort, while protecting the environment. The use of variable technology allows the unit to scale output to exactly the level needed rather than running at one or two speeds like the majority of HVAC systems. Available in 3- to 5-ton capacities, the system achieves an energy-efficiency ratio of 41 and a 5.3 coefficient of performance, which represents efficiencies more than twice that of ordinary heat pumps or air conditioners, and a third higher than current two-stage geothermal heat pumps.
