FLEXX ECO R32
The FLEXX ECO is GREE’s central air system tailored for southern climates, utilizing a 24 VAC and a horizontal (side) discharge design. It is ideal for both the add-on replacement market and new construction projects. The FLEXX ECO is known for its quiet operation and compact outdoor footprint, making it an excellent choice for efficient and unobtrusive cooling solutions.
Features
- Up to 19.0 SEER2 / 11.9 EER2 / 9.5 HSPF2 Efficiency
- Cooling range: 5°F - 118°F
- Heating range: 5°F - 75°F
- Maximum Line Length: 98 FT.


System Documents
FLEXX ULTRA R32
The GREE FLEXX ULTRA R32 central heating and cooling system is the ideal central air system for even the most challenging environments. With 24 VAC and a horizontal (side) discharge, this central air system delivers top performance for both new construction and replacement markets, offering versatile installation options. Designed with eco-friendly R32 refrigerant, this R32 central HVAC system reduces environmental impact while providing superior heating and cooling. With up to 18.5 SEER2 efficiency and a wide heating range of 5°F to 129°F, this system ensures optimal performance across every climate.
Features
- Up to 18.5 SEER2 / 11.7 EER2 / 10.5 HSPF2 Efficiency
- Cooling range: 5°F - 129°F
- Heating range: -22°F - 75°F
- Maximum Line Length: 164 Ft.


System Documents
GREE's R32 Central Air Systems
GREE's R32 central air systems are designed to meet the demands of modern HVAC installations with a focus on sustainability and performance. By utilizing R32 refrigerant, these systems offer improved energy efficiency and reduced environmental impact. Their compact, installer-friendly designs and reliable inverter-driven technology make them a versatile choice for both new construction and retrofit projects. With features that enhance comfort and align with updated building codes, the Flexx series delivers value to contractors and peace of mind to clients.
R32 Central Air System Features & Benefits
R32 Refrigerant
Both systems use eco-friendly R32 refrigerant, which has a lower Global Warming Potential (GWP) than R410A. This ensures compliance with evolving environmental standards while maintaining high performance.
Wide Temperature Capability
The FLEXX Ultra R32 operates in a cooling range of 5°F to 129°F and a heating range of -22°F to 75°F, while the FLEXX Eco R32 operates in a cooling range of 5°F to 118°F and a heating range of 5°F to 75°F. Both systems are designed for reliable operation across diverse climates.
Inverter Technology
Both systems feature advanced DC inverter technology, which provides variable-speed control for precise temperature regulation, optimized energy efficiency, and stable comfort.
Installer-Friendly Design
The compact design of both systems allows for flexible installation. Extended line lengths (up to 164 feet for FLEXX Ultra) and compatibility with conventional 24VAC thermostats streamline installation processes.
Quiet Operation
The FLEXX Ultra achieves sound levels as low as 50-60 dB(A), while the FLEXX Eco operates at approximately 55 dB(A). Both are suitable for noise-sensitive environments.
High-Efficiency Ratings
The FLEXX Ultra offers SEER2 ratings up to 16.5 and HSPF2 ratings up to 9.5, while the FLEXX Eco achieves SEER2 ratings up to 15.5 and HSPF2 ratings up to 7.8. These ratings help meet performance codes and qualify for energy rebates.
Smart Control Compatibility
Both systems are compatible with conventional 24VAC thermostats, enabling seamless integration into modern HVAC setups.
Additional Features
- Auto Clean functionality supports long-term system performance.
- Multi-position air handlers provide installation flexibility.
- Golden fin technology enhances durability with corrosion resistance.
- Advanced inverter technology ensures precise climate control while optimizing energy use.
GREE's R32 central air lineup gives HVAC professionals a dependable, efficient, and regulation-ready solution for today's installations. Whether you're working in extreme climates or tight spaces, the FLEXX Ultra and FLEXX Eco provide the specs, flexibility, and performance demanded by contractors — all backed by GREE's legacy of innovation and support.