The HiFlow Pro is designed to bridge the gap between European-style plug-in solar convenience and American regulatory requirements. By adhering to the UL 3700 framework, the unit provides a standardized safety benchmark for authorities and consumers, addressing a critical hurdle for plug-in photovoltaic (PIPV) systems that differ from traditional rooftop installations.
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Hoymiles Debuts UL 3700-Compliant Microinverter for US DIY Solar
As demand for accessible residential energy grows, Richardson-based Hoymiles has launched the HiFlow Pro, the first plug-in microinverter in the United States to meet the rigorous UL 3700 safety standard. The device aims to simplify solar adoption for homeowners and renters by enabling rapid deployment on balconies and compact rooftops.
Technical performance remains a primary focus, with the microinverter boasting 99.8% static and 99.5% dynamic MPPT efficiency. Installation is streamlined through a Bluetooth and Wi-Fi interface that enables system commissioning in under 60 seconds. Built for durability, the hardware features a Type 6 enclosure rating capable of operating in temperatures ranging from -40°C to +65°C. Users can scale their energy production by running up to four microinverters in parallel, providing a total output of 1200 W. According to Hoymiles CEO Dr. Yang Bo, the product represents a shift toward more flexible, high-performance residential energy solutions that prioritize both simplicity and safety.
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