The new Legend series geothermal heat pumps from WaterFurnace International feature efficient single capacity scroll compressors paired with five-speed X13 ECM blower motors (or optional three-speed PSC motors) that ensure precisely controlled comfort, quiet operation and energy savings, reports the manufacturer. It achieves an 18.5 energy efficiency ratio (EER) and a 3.8 coefficient of performance (COP), with environmentally friendly R-410A refrigerant, and is available in capacities ranging from 24,000 through 70,000 Btu/h.
