HSChapter 73
U.S. imports of non-electric air heaters and hot air distributors with motor-driven fan, iron or steel, and parts (HS 732290) totaled $53.4M in April 2026, traded with 29 countries.
Importers of Non-Electric Air Heaters and Hot Air Distributors with Motor-Driven Fan, Iron or Steel, and Parts paid $11.1M in duties in April 2026 โ an effective duty rate of 24% on $46.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataForced-air furnace units and hot-air distribution equipment powered by gas or other non-electric fuel sources โ incorporating a motor-driven fan or blower โ classify here, with the US schedule subdividing the heading into complete air heaters (7322900015), hot air distributors (7322900030), and their parts (7322900045). Mexico and Canada together dominate supply, a pattern consistent with integrated North American HVAC manufacturing supply chains operating under USMCA. Vietnam and Thailand represent growing alternative sources for both finished units and components.
AI-written summary of the official U.S. Census Bureau trade figures on this page โ verify before relying on it.
The key criterion is the heat source: 732290 covers units where the heating element is non-electric (gas burner, oil burner, etc.) but which use a motor-driven fan or blower to distribute the heated air. Electrically heated forced-air units classify under Chapter 85 (typically heading 8516). If a unit uses electric resistance heating with a fan, it does not belong here regardless of the fan motor.
Possibly, but blower motors are also classifiable as electric motors under Chapter 85. Classification depends on whether the motor is imported as a dedicated, identifiable part of the furnace assembly or as a general-purpose motor. CBP has issued rulings on this distinction; consult a licensed customs broker and review relevant binding rulings before filing.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 7322900015 | AIR HTRS NT ELEC HTD W MTR-DRVN FN O BLWR, IOS | $44.7M | 24.65% | $9.5M |
| 7322900045 | PRTS,AIR HTRS A HOT AIR DIST N ELEC HTD W FAN, IOS | $6.0M | 17.48% | $965K |
| 7322900030 | HT AIR DST N ELEC HTD W MTR-DRV FN O BLWR, IOS | $2.7M | 25.46% | $625K |
AIR HTRS NT ELEC HTD W MTR-DRVN FN O BLWR, IOS
PRTS,AIR HTRS A HOT AIR DIST N ELEC HTD W FAN, IOS
HT AIR DST N ELEC HTD W MTR-DRV FN O BLWR, IOS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 7322900000 | AIR HTRS A HOT AIR DIST NT ELEC HTD WFAN, PRTS IOS | $24.1M |
AIR HTRS A HOT AIR DIST NT ELEC HTD WFAN, PRTS IOS
1.1M no
ARTICLES OF IRON OR STEEL NESOI
HS 732690
STRUCTURES AND PARTS NESOI OF IRON OR STEEL
HS 730890
THREADED SCREWS AND BOLTS NESOI OF IRON OR STEEL
HS 731815
COOKING APPLIANCES ETC FOR GAS FUEL, IRON OR STEEL
HS 732111
NUTS OF IRON OR STEEL
HS 731816
TABLE, KITCHEN ETC ARTICLES & PTS, STAINLESS STEEL
HS 732393
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $26.3M | $2.6M | -$23.7M |
| EAGLE PASS, TX | $12.5M | $570K | -$11.9M |
| PORT HURON, MI | $2.5M | $5.7M | +$3.2M |