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NAICSSector 33
U.S. imports of heating equipment (except warm air furnaces) (NAICS 333414) totaled $78.5M in April 2026, traded with 61 countries.
Importers of Heating Equipment (Except Warm Air Furnaces) paid $13.8M in duties in April 2026 — an effective duty rate of 20% on $69.4M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataBoilers, radiators, baseboard heaters, and other non-furnace heating equipment occupy a distinct trade niche from forced-air systems, with cast-iron and steel construction grades driving significant classification differences at the HTS level. Hydronic heating systems and electric resistance heaters in this category are widely used in commercial and industrial buildings, and imports from European manufacturers — particularly for high-efficiency boiler systems — are a notable feature of this trade flow. Importers should be aware that certain heating appliances may require compliance with Department of Energy (DOE) efficiency standards before entry into US commerce.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Yes. The US Department of Energy sets minimum efficiency standards for many categories of commercial and residential heating boilers and water heaters. Importers must ensure that covered products meet applicable DOE standards before distribution in the US market, and some products require certification testing by an accredited laboratory.
Warm air furnaces — which heat and distribute air through ductwork — are classified separately under HTS headings for air heaters and hot-air distributors. Equipment in the 333414 category, such as boilers, radiators, and convectors, heats water or steam or uses radiant/electric resistance methods rather than forced-air distribution. Correct classification depends on the heating medium and distribution method, not just the end use.
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No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $9.3M | $31.8M | +$22.5M |
| GERMANY | $22.4M | $644K | -$21.7M |
| CHINA | $8.0M | $396K | -$7.6M |
| MEXICO | $3.1M | $4.7M | +$1.6M |
| KOREA, SOUTH | $7.2M | $288K | -$6.9M |
Monthly import values over time