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Products
3
NAICS 3334 is the four-digit subsector level, while 33341 is the five-digit industry group level — both cover the same broad HVAC and commercial refrigeration scope. The five-digit code is used for more granular production and shipment statistics, but for import classification, the relevant codes are the HTS tariff lines, not NAICS codes.
No. US import entries require Harmonized Tariff Schedule (HTS) codes, not NAICS codes. NAICS codes are used for domestic economic and statistical purposes. Importers must identify the correct 10-digit HTS number for each product to determine applicable duty rates and trade-remedy exposure.
NAICS
NAICS industry 1 of 1 in industry group 3334
NAICS industry 33341 · $2.5B of $2.5B
Supplier Network
Get discovered by U.S. importers searching for HS 33341 — HVAC & Commercial Refrigeration Equipment (Industry Group). Be the first supplier listed.
Imports · July 2026
origin
None recorded for this period.
customs district
Census does not publish district detail for this classification system.
destination
Census publishes state breakdowns for NAICS to the 4-digit level only. See NAICS 3334 for those.
entry
Census does not publish port detail for this classification system.