R290 Refrigerant

To reduce carbon emission to the environment and curb global warming, PHNIX develops R290 air to water heat pump - GreenTherm U Series. With many advantages such as low carbon emission and high efficiency, R290 refrigerant is recognized as a refrigerant with the most development potential in the industry, which contributes to the reduction of carbon emission and help achieve the global goal of carbon neutrality.

High Efficiency A+++ Energy Level

Achieves A+++ energy label at both 35°C and A++ at 55°C, ensuring top-tier efficiency under different temperature needs.

75°C High-temperature Water Outlet

Enjoy greater home comfort with outlet water temperatures up to 75°C, suitable for various heating systems.

Stable Running at -25℃ Ambient Temperature

Performs stably in environments as low as -25°C, maintaining efficiency even in extreme winter conditions.

Full DC Inverter Technology

GreenTherm U Series perfectly combines eco-friendly R290 refrigerant and inverter technology to produce efficient house heating/cooling and hot water even under extreme cold climate.

Core Technologies

Noise Reduction Technology

Nominal sound pressure: 42–48 dB(A)

· Low-noise compressor & motor

· Optimized airflow and fan design

· Anti-vibration compressor base

Full Inverter Technology

· Improved energy savings & system stability

· Maximum performance with minimum waste.

Patented Defrost Technology

· Faster and smarter defrosting

· Prolongs unit lifespan

Reliable performance even in icy conditions.

Cascade Controller

· Supports multiple unit control

· Smart operation logic for system-wide efficiency

All-new Mainboard

· Plug-and-Play Design

· Dual Zone Control

· Temperature Compensation

Smart Control

Integrated Design

PHNIX’s integrated design combines the heat pump system into a single compact unit, saving installation space and simplifying maintenance. By installing the unit outdoors, it frees up indoor space and eliminates the risk of indoor refrigerant leakage, providing a safer and more convenient user experience.

Installation Methods for Various Demands