Understanding the differences between the two is essential for professionals designing large commercial buildings, selecting HVAC systems for high-rise complexes, or planning upgrades for existing installations. This article provides a complete, engineering-level comparison, including performance, environmental impact, safety, system design differ

HVAC selection is one of the most financially impactful decisions in commercial building design. For high-rise offices, hospitality projects, mixed-use complexes, educational institutions, and large industrial facilities, operational expenses often exceed the initial equipment investment by a wide margin.

While both use refrigerant piping to connect outdoor and indoor units, their technical capabilities, design flexibility, and operational efficiency differ significantly. This article provides a detailed comparison from an engineering perspective to guide design, procurement, and system integration decisions.

The prestigious list of winners for the 2024–2025 A’ Design Award in Italy was recently unveiled, and Zhongguang Outes stood out with remarkable success, winning four Gold Awards and two Silver Awards. Among the honored designs, Zhongguang’s independently developed “R290 Low-Temperature Heat Pump Outdoor Unit – Galaxy” and the modular