PHNIX Everest Series Becomes First Chinese Heat Pump to Achieve A+++ Energy Rating Certified by Swiss WPZ

Guangzhou, May 16, 2025 — PHNIX announced that its Everest Series Monoblock heat pump has achieved an A+++ energy-efficiency rating at both 35°C and 55°C from Switzerland’s Heat Pump Test Center Wärmepumpen Testzentrum (WPZ). This landmark achievement makes PHNIX the first Chinese manufacturer to attain this certification, underscoring PHNIX’s continued commitment to innovation, quality and sustainability.

The WPZ Testing Center, accredited under EN ISO 17025 and operated by the Heat Pump Testing Laboratory at the Eastern Switzerland University of Applied Sciences (University OST), rigorously evaluates air-to-water, ground-source and domestic heat-pump hot-water units against leading international protocols, including EHPA, the EU’s ErP Directive and HP KEYMARK. By securing a “Double A+++” energy rating, Everest Series demonstrates unparalleled efficiency and reliability across a wide operation range of environmental conditions.

Everest Series Highlights:

· A+++ Energy Efficiency at 35 °C and 55 °C, delivering significant year-round energy savings.

· Wide Operating Range: Stable performance from –30 °C to 45 °C ambient temperature.

· High Water Outlet Temperature: Delivers water temperatures up to 80 °C .

· Ultra-Quiet Operation: Noise levels as low as 39 dB(A) for minimal sound intrusion.

· Smart Control System: User-friendly LCD interface plus remote-access capability.

· Compact Monoblock Design: Easy installation, space-saving footprint.

· Certifications: SG Ready, KEYMARK, MCS—ensuring full compliance with European standards.

· Smart-Home Integration: Seamless ecosystem compatibility.

· OEM/ODM Flexibility: Tailorable solutions for diverse global markets.

A Testament to Innovation

Achieving WPZ’s A+++ certification is an affirmation of PHNIX’s technological expertise and stringent quality-control processes. As the first Chinese heat pump enterprise to achieve this certification, we will continue advancing heat-pump performance benchmarks and deliver cleaner, more efficient heating solutions to European households.