UL-HG CO2 LT subcritical BOCK compressors combine benefits of HG CO2 LT compressors with rigorous safety standards tailored for the US and Canadian markets. These UL-recognized semi-hermetic compressors, expertly refined by Danfoss BOCK®, are a testament to energy efficiency, robustness, and compact design. Engineered for versatility, the UL-HGe compressors are your reliable choice across a wide spectrum of applications.