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SITCSection 8
U.S. imports of iron or steel air heaters, hot air distributors, and parts (SITC 81215) totaled $53.4M in April 2026, traded with 29 countries.
Importers of Iron or Steel Air Heaters, Hot Air Distributors, and Parts paid $11.1M in duties in April 2026 — 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 and gravity-fed heating units made of iron or steel — including duct heaters, unit heaters, and hot-air distribution equipment — serve HVAC, industrial, and agricultural facility markets. The inclusion of parts in this heading means that replacement components such as heat exchangers, baffles, and distribution plenums may be classified here rather than under general HVAC machinery headings, depending on their specificity. Section 232 tariff exposure is a recurring compliance consideration given the iron and steel construction of these articles.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Air heaters and hot-air distributors under this heading heat and circulate air directly without generating steam or hot water as an intermediate medium. Boilers and steam-generating equipment fall under separate headings, and the classification turns on the heat-transfer mechanism — direct air heating versus steam or hydronic systems.
Parts that are identifiable solely or principally as components of iron or steel air heaters or hot-air distributors are generally classified within this heading. Generic components that could serve multiple appliance types may instead be classified under a more general parts provision, so specificity of design is the determining factor.
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Monthly import values over time