T/CECS 10243-2022 Green building evaluation (GBU) and cooling unit (COU) both mean a product that has been evaluated for its environmental and sustainability features. However, if you mean a product in general, "green building" usually refers to building design, construction, and operations that promote sustainability, energy efficiency, and environmental friendliness, while "cooling unit" refers to a specific piece of equipment that is used in data centers and other types of facilities to cool them down. Please let me know if you need clarification or if I misunderstood your question

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 1019-1989 General requirements for packings of household electrical appliances GB/T 1019-2008 General requirements for the package of household and similar electrical appliances GB/T 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 17758-1999 Unitary air conditioners GB/T 17758-2010 Unitary air conditioners GB/T 17758-2023 Unitary air conditioners GB/T 18430.1-2001 Water chilling (heat pump) packages using the vapor compression cycle Water chilling (heat pump) packages for industrial and commercial and similar application GB/T 18430.1-2007 Water chilling(heat pump) packages using the vapor compression cycle—Part 1:Water chilling(heat pump) packages for industrial & commercial and similar application GB/T 18430.1-2024 Water chilling(heatpump) packages using the vapor compression cycle—Part1:Water chilling(heatpump) packages for industrial & commercial and similar applications GB/T 18430.2-2001 Water chilling (Heat pump) Packages using the vapor compression cycle Household and similar water chilling (Heat pump) packages GB/T 18430.2-2008 Water chilling (heat pump) packages using the vapor compression cycle—Part 2:Water chilling (heat pump) packages for household and similar application GB/T 18430.2-2016 Water chilling(heat pump)packages using the vapor compression cycle—Part 2:Water chilling (heat pump) packages for household and similar application GB 18455-2001 Packaging recycle mark GB/T 18455-2010 Package recycling marking GB/T 18455-2022 Packaging recycling marking GB 18597 GB 18599 GB/T 19001-2000 Quality management systems—Requirements GB/T 19001-2008 Quality management systems—Requirements GB/T 19001-2016 Quality management systems—Requirements GB 19576-2004 The minimum allowable values of the energy efficiency and energy efficiency grades for unitary air conditioners GB 19576-2019 Minimum allowable values of energy efficiency and energy efficiency grades for unitary air conditioners GB 19577-2004 The minimum allowable values of the energy efficiency and energy efficiency grades for water chillers GB 19577-2015 Minimum allowable values of energy efficiency and energy efficiency grades for water chillers GB 19577-2024 Minimum allowable values of the energy efficiency and energy efficiency grades for heat pumps and water chillers GB/T 23331-2009 Management system for energy—Requirements GB/T 23331-2012 Energy management systems—Requirements GB/T 23331-2020 Energy management systems—Requirements with guidance for use GB/T 24001-2004 Environmental management systems—Requirements with guidance for use GB/T 24001-2016 Environmental management systems—Requirements with guidance for use GB/T 24025-2009 Environmental labels and declarations—Type Ⅲ environmental declarations—Principles and procedures GB/T 31268-2014 Restricting excessive packaging for commodity—General rule GB/T 31268-2024 Restricting excessive packaging for commodity—General rule GB/T 45001-2020 Occupational health and safety management systems—Requirements with guidance for use JB/T 12323-2022 Vapor Compression Cycle Evaporative Cooling Refrigeration (Heat Pump) Unit JB/T 12323-2015 Vapor Compression Cycle Evaporative Cooling Refrigeration (Heat Pump) Unit。 GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 18430.2-2025 Water chilling(heat pump) packages using the vapor compression cycle—Part 2:Water chilling(heat pump) packages for household and similar applications