# United States tariff lines under HS 8415.81

> The United States tariff splits HS 8415.81 (other: Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)) into 3 national lines: 8415.81.01.10 (not exceeding 17.58 kW per hour), 8415.81.01.20 (exceeding 17.58 kW per hour) and 8415.81.01.30 (other). The general (MFN) duty is 1% on all 3 lines.

Source: https://border.bot/countries/united-states/hs-codes/841581
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) / [8415.81](https://border.bot/countries/united-states/hs-codes/841581)

## Key facts

- HS subheading: [8415.81](https://border.bot/hs-codes/841581)
- Duty (MFN): 1%
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8415.81

The United States tariff splits HS 8415.81 (other: Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)) into 3 national lines: 8415.81.01.10 (not exceeding 17.58 kW per hour), 8415.81.01.20 (exceeding 17.58 kW per hour) and 8415.81.01.30 (other).

The general (MFN) duty is 1% on all 3 lines.

- [8415.81.01.10](https://border.bot/countries/united-states/hs-codes/8415810110) Other, except parts, Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps), Self-contained, Not exceeding 17.58 kW per hour. Duty (MFN): 1%
- [8415.81.01.20](https://border.bot/countries/united-states/hs-codes/8415810120) Other, except parts, Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps), Self-contained, Exceeding 17.58 kW per hour. Duty (MFN): 1%
- [8415.81.01.30](https://border.bot/countries/united-states/hs-codes/8415810130) Other, except parts, Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps), Other. Duty (MFN): 1%

## In other countries

No other national tariff on border.bot has live lines under 8415.81 yet.

- [The Harmonized System text for 8415.81](https://border.bot/hs-codes/841581)

- Previous subheading: [8415.20](https://border.bot/countries/united-states/hs-codes/841520) Air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated; parts thereof
- Next subheading: [8415.82](https://border.bot/countries/united-states/hs-codes/841582) Air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated; parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8415.81?

The United States tariff splits HS 8415.81 (other: Incorporating a refrigerating unit and a valve for reversal of the cooling/heat cycle (reversible heat pumps)) into 3 national lines: 8415.81.01.10 (not exceeding 17.58 kW per hour), 8415.81.01.20 (exceeding 17.58 kW per hour) and 8415.81.01.30 (other).

### What is the duty on HS 8415.81 in the United States?

The general (MFN) duty is 1% on all 3 lines.

## 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/841581.json