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

Optional Features

• Supplemental, domestic hot water generation
• 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

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