</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

HFC-410A Air Conditioning Refrigerant from Canada

High-pressure refrigerant blend of difluoromethane (HFC-32) and pentafluoroethane (HFC-125) at 50/50 ratio, used in residential split-system AC units. Classified under HTS 3827.90.90.00 as a mixture of halogenated ethane derivatives not elsewhere specified. Commonly imported in 25lb cylinders for HVAC contractors.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Secure HFC import quota allocations from EPA before shipment arrival

Label cylinders with exact blend composition and GWP (Global Warming Potential) values

Avoid common pitfall of improper UN number declaration leading to customs holds