# United States tariff line 8479.89.10.00: Air humidifiers or dehumidifiers > In the United States tariff, line 8479.89.10.00 covers other machines and mechanical appliances, electromechanical appliances with self-contained electric motor, air humidifiers or dehumidifiers. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8479.89 in heading 84.79 (chapter 84). Source: https://border.bot/countries/united-states/hs-codes/8479891000 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8479.89](https://border.bot/countries/united-states/hs-codes/847989) / [8479.89.10.00](https://border.bot/countries/united-states/hs-codes/8479891000) ## Key facts - Tariff line: 8479.89.10.00 - Covers: Other machines and mechanical appliances, electromechanical appliances with self-contained electric motor, air humidifiers or dehumidifiers - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8479.89](https://border.bot/hs-codes/847989) ## What this line covers In the United States tariff, line 8479.89.10.00 covers other machines and mechanical appliances, electromechanical appliances with self-contained electric motor, air humidifiers or dehumidifiers. Its legal text is “Air humidifiers or dehumidifiers”, read under “Other machines and mechanical appliances”, “Other” and “Electromechanical appliances with self-contained electric motor”. ## How it is structured It falls under HS subheading 8479.89 in heading 84.79 (chapter 84). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof - Heading 84.79: Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof - Subheading 8479.89: Other machines and mechanical appliances - Within the subheading: Other - Within the subheading: Electromechanical appliances with self-contained electric motor - Line 8479.89.10.00: Air humidifiers or dehumidifiers ## Duty Goods under this line enter free of general (MFN) duty. ## In other countries No other national tariff on border.bot has live lines under 8479.89 yet. - [The Harmonized System text for 8479.89](https://border.bot/hs-codes/847989) ## Other lines under 8479.89 - [8479.89.20.00](https://border.bot/countries/united-states/hs-codes/8479892000) Floor polishers - [8479.89.55.00](https://border.bot/countries/united-states/hs-codes/8479895500) Trash compactors - [8479.89.65.00](https://border.bot/countries/united-states/hs-codes/8479896500) Other - [8479.89.70.00](https://border.bot/countries/united-states/hs-codes/8479897000) Carpet sweepers - [8479.89.83.00](https://border.bot/countries/united-states/hs-codes/8479898300) Machines for the manufacturing of optical media - [8479.89.92.00](https://border.bot/countries/united-states/hs-codes/8479899200) Automated electronic component placement machines of a kind used solely or principally for the manufacture of printed circuit assemblies - [8479.89.95.10](https://border.bot/countries/united-states/hs-codes/8479899510) Machines for preparing biological samples for the subsequent diagnosis, testing, or analysis, as described in statistical note 7 to this chapter - [8479.89.95.50](https://border.bot/countries/united-states/hs-codes/8479899550) Oil and gas field wireline and downhole equipment - [8479.89.95.60](https://border.bot/countries/united-states/hs-codes/8479899560) Automotive maintenance machines - [8479.89.95.65](https://border.bot/countries/united-states/hs-codes/8479899565) Hydraulic accumulators - [8479.89.95.85](https://border.bot/countries/united-states/hs-codes/8479899585) Ultrasonic cleaning devices - [8479.89.95.95](https://border.bot/countries/united-states/hs-codes/8479899595) Industrial vibrators - [8479.89.95.96](https://border.bot/countries/united-states/hs-codes/8479899596) Tow behind sweepers - [8479.89.95.97](https://border.bot/countries/united-states/hs-codes/8479899597) Other - Previous line: [8479.83.00.00](https://border.bot/countries/united-states/hs-codes/8479830000) Cold isostatic presses - Next line: [8479.89.20.00](https://border.bot/countries/united-states/hs-codes/8479892000) Floor polishers ## Frequently asked questions ### What does tariff line 8479.89.10.00 cover in the United States tariff? In the United States tariff, line 8479.89.10.00 covers other machines and mechanical appliances, electromechanical appliances with self-contained electric motor, air humidifiers or dehumidifiers. ### What is the general (MFN) duty on 8479.89.10.00 in the United States? Goods under this line enter free of general (MFN) duty. ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/8479891000.json