Abstract: By comparing the contents and index changes of the old and new national standards for range hoods, the main upgrading contents and technical requirements of the new national standards are listed, and the promoting effect of the new national standards on the industry development of range hoods is expounded. Combined with new and old standards, analyzes some performance parameters of core products of existing mainstream manufacturers, and points out the status quo and differences of performance parameters. In view of the new national standard regulations to be implemented soon, analyzes the working air volume, working noise and working power of existing products, points out the problems caused by product competition in the current market, and puts forward some technical directions for future product research.

Key words: Standard, Range hood, Working air volume, Working noise, User status