Legacy™ Multi-speed Geothermal Heat Pump
Model GB
The Complete Package of Value, Comfort and Extra Energy Savings
The GB model is impressively efficient, even using a single-stage compressor and a multi-speed blower. So, it can help you cut costs today and for the long haul. And with built-in sound dampeners like full insulation and double-isolation compressor mounting, you’ll still enjoy quiet comfort.

Features

• Manage your utility costs with high-efficiency geothermal (efficiency is unit size dependent): Closed loop cooling EER – Up to 28.1; Closed loop heating COP – Up to 4.3
• Multi-speed air delivery aides quiet performance
• Single-stage compressor operation
• Insulated cabinet for quiet operation
• Wide operating temperature range with exceptional cold weather performance
• Corrosion-resistant coil for durability
• 2″ MERV 8 filtration
• 10-year parts and 5-year labor limited warranty1

OPTIONAL FEATURES

• Supplemental, domestic hot water generationv
• Internally-mounted auxiliary heat
• Smart startup add-on for smoother operation

Specifications

EFFICIENCY MANAGEMENT
Cooling Efficiency 18.5 to 21.7 EER (closed loop); 21.4 to 28.1 EER (open loop)
Heating Efficiency 3.7 to 4.3 COP (closed loop); 4.3 to 5.2 COP (open loop)
Heating and Cooling Stages Single-stage operation
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 and double-isolation compressor mounting

CONVENIENCES
Filter Cabinet Built-in for easy filter changes
Maintenance Reminders With compatible control

TECHNOLOGY Blower Motor Multi-speed
Compressor Single-stage scroll (2-5 ton); Single-stage rotary (1.5 ton)
Control Board Microprocessor
Refrigerant Puron® refrigerant
Refrigerant Management Thermostatic expansion valve
Protection Corrosion-resistant coil protection for long life

INSTALLATION Positioning Vertical upflow and horizontal units available

AESTHETICS
Capacity 1.5-5 tons
Construction Galvanized steel
Paint Baked-on urethane base coat and polyester top coat