The HVAC/Refrigeration category encompasses a wide range of products designed for heating, ventilation, air conditioning, and refrigeration systems. Key products include compressors, condensers, evaporators, thermostats, refrigerants, and ductwork components. These products are essential for maintaining optimal temperature and air quality in residential, commercial, and industrial settings. The category also features specialized tools and equipment for installation, maintenance, and repair, such as gauges, vacuum pumps, and recovery machines. High-efficiency and eco-friendly solutions, like energy-saving units and low-GWP refrigerants, are increasingly prominent in this sector.