fans for permanent installation of subheading 8414.51.30 or in heating units combining a heater, fan and lights for permanent installation, of subheading 8516.29.00 (provided for in subheading 8414.59.65) Free No change No change On or before 12/31/2020 . 1437. Range hoods Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.15.57 Chimney range hoods, island range hoods or under-the-cabinet range hoods, of a kind normally used in the household, designed for permanent installation to a wall or ceiling, each such hood measuring over 121 cm on its maximum horizontal side, presented with or without a blower