PHNIX R454B Air to Water Heat Pump Achieves the First ETL Certificate Issued by Intertek

Guangzhou, October 30, 2025 - As the world moves toward carbon neutrality, green refrigeration and low-carbon heating technologies are becoming key drivers of industrial transformation. Recently, PHNIX has been awarded the industry’s first ETL Certification for the R454B monobloc residential heat pump series, granted by Intertek, a global leader in quality assurance and safety certification.

This achievement highlights PHNIX’s pioneering role in the safe application of low-GWP refrigerants and sets a new benchmark for safety, performance, and sustainability in the heat pump industry.

Intertek Recognizes that PHNIX Balances Safety and Innovation in Product Design

At the certification ceremony, Mr. Xie Xiujie, Deputy General Sales Manager of Intertek’s Electrical & Electronic Business Line in Greater China, remarked: “PHNIX’s achievement of the ETL certification signifies that its R454B product has successfully passed Intertek’s comprehensive safety and performance evaluation. The product’s explosion-proof capability has withstood rigorous testing under strict standards, setting a strong benchmark for the safe application of flammable refrigerants in the heat pump industry. We look forward to working with PHNIX to jointly promote a greener, safer, and more sustainable global heat pump supply chain.”

R454B Refrigerant: A Low-Carbon and High-Efficiency “Green Passport” to the Global Future

Lower Carbon Emissions: With a Global Warming Potential value(GWP) below 250, over 75% lower than traditional refrigerants, R454B perfectly aligns with the EU and North American phase-out policies for high-GWP refrigerants.

High Efficiency and Energy Savings: Enhances the operational efficiency of heat pump systems while reducing energy consumption and operating costs.

Eco-Friendly and Compliant: Fully compliant with the Kigali Amendment and refrigerant regulations in multiple regions, R454B serves as a true green passport for businesses expanding into international markets.

ETL Certification: Dual Assurance of Safety and Performance

As one of the most recognized safety standards in North America, the ETL mark sets strict requirements for electrical safety, mechanical strength, and explosion-proof design for systems using flammable refrigerants.

The successful ETL certification of PHNIX’s R454B air-to-water heat pump demonstrates the company’s strong capabilities in product safety protection, system reliability, and sustainable innovation—delivering more trusted and dependable ODM solutions for global partners.

Committed to Low-Carbon Innovation, Driving Sustainable Growth in the Heat Pump Industry

Mr. Lay Lei, Director of PHNIX R&D Division, said: “We PHNIX are dedicated to advancing low-carbon and renewable energy technologies, delivering safer, more efficient, and more environmentally friendly heat pump solutions for users and partners worldwide.”