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402-470-8162
5401 Cornhusker Highway
Lincoln, NE 68504-1430

Evolution® Variable-speed Geothermal Heat Pump

Model GC   

High-Efficiency  Models for Exceptional Comfort and Energy Savings. For the ultimate in quiet operation and comfort, consider the versatile and feature-rich Evolution Series® GC models with two-stage compressor operation and variable-speed blower. Our top-of-the-line Evolution geothermal products deliver the highest efficiencies we offer. When installed with the Evolution® Connex™ control you’ll receive optimal summer dehumidification and even temperatures. Plus, as a tax credit qualified product, it could help you get back 30% its installed cost.

Product FeaturesProduct SpecsConsumer Brochures
  • Manage your utility costs with high-efficiency comfort (efficiency is unit size dependent): Closed loop cooling EER – Up to 32.0; Closed loop heating COP – Up to 4.7
  • Optimal dehumidification capability with the Evolution Connex control
  • Enjoy the ultra-quiet performance and even-temperature comfort of variable-speed air delivery
  • Two-stage scroll compressor operation allows longer, more consistent cycles in lower stage for savings and comfort
  • Superior summer dehumidification
  • Smart startup for smoother operation
  • Insulated cabinet and compressor blanket for quiet operation
  • Wide operating temperature range with exceptional cold weather performance
  • Corrosion-resistant coil for durability
  • 2″ MERV 13 filtration
  • 10-year parts and labor limited warranty

OPTIONAL FEATURES

  • Supplemental, domestic hot water generation
  • Internally-mounted auxiliary heat

EFFICIENCY MANAGEMENT

Cooling Efficiency 18.5 to 32.0 EER (closed loop); 23.1 to 37.0 EER (open loop)
Heating Efficiency 3.8 to 4.7 COP (closed loop); 4.5 to 5.2 COP (open loop)
Heating and Cooling Stages Two-stage operation for efficiency and comfort
ENERGY STAR® ENERGY STAR ® qualified in all sizes
FEDERAL TAX CREDITS Qualified for up to 30% purchase price plus installation including loop system in all sizes

SOUND

Quiet Levels Quiet operation enhanced by full cabinet insulation; double-isolation compressor mounting and compressor sound blanket

CONVENIENCES

Filter Cabinet Built-in for easy filter changes
Maintenance Reminders With Evolution® Connex control

TECHNOLOGY

Blower Motor High-efficiency variable-speed
Compressor Two-stage scroll
Control Board Microprocessor with compressor diagnostic capability
Refrigerant Puron® refrigerant
Refrigerant Management Thermostatic expansion valve
Protection Corrosion-resistant coil protection for long life

INSTALLATION

Positioning Vertical upflow, horizontal or vertical downflow units available

AESTHETICS

Capacity 2-6 tons
Construction Galvanized steel
Paint Baked-on urethane base coat and polyester top coat