The Swegon GOLD SD 120 is a high-performance modular air handling unit engineered for projects requiring absolute separation between supply and extract airflow. Designed for versatility, this single-direction system offers elite flexibility for demanding commercial environments, industrial facilities, and specialized ventilation setups where cross-contamination must be strictly avoided. Built with sustainability at its core, the unit utilizes premium recycled steel and a durable C5-rated Magnelis finish, significantly reducing the total carbon footprint without sacrificing structural integrity or corrosion resistance. Technologically advanced, the GOLD SD 120 features direct-driven Wing+ fans paired with IE5-rated EC/PM motors, ensuring whisper-quiet operation alongside exceptional energy efficiency. The unit is optimized for superior airflow management, boasting industry-leading leakage and thermal bridging classifications. Installation is streamlined through a modular design that allows for easy transport and rapid integration into complex building management systems. Commissioning is intuitive, managed through an advanced digital interface that minimizes setup time and human error. Whether you are managing airflow for large-scale offices, educational institutions, or sensitive technical environments, the GOLD SD 120 delivers reliable, high-capacity ventilation that adapts seamlessly to your building's unique architectural requirements. With comprehensive support for BIM and modern design software, this unit represents a future-proof solution for sustainable, efficient climate control.
Use our free engineering tools to size, convert and diagnose your HVAC system.
Browse airflow ventilation calculators