The series 3 GEO-thermal heat pump can deliver efficiencies up to 22.3 EER and 4.1 COP. It features Copeland Ultra-Tech two-stage scroll compressors and five-speed ECM blowers for efficient, quiet operation. It is the company's first residential unit to come standard with all-aluminum air coils for corrosion protection. It can be used in conjunction with the company's IntelliZone2 24 V. zoning system. An optional soft starter reduces start-up amperage by up to 60% of normal draw and reduces noise, eliminates light flicker and increases compressor life.
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