Classification Information
(Based on 44(e)) Refrigerating and freezing equipment; refrigerating and freezing equipment, namely, food and beverage chilling units; refrigerators; freezers; (Based on Use in Commerce) Air conditioners; heaters; gas water heaters; refrigerant-based cooling and heating systems; refrigerant-based air cooling apparatus and indoor radiant heating systems; cooling and heating systems used in residential and commercial applications; cooling and heating systems used in residential and commercial applications, comprised primarily of air conditioners and heating installations
Environmental Control Apparatus