3827.90.90.00/R-454C Mildly Flammable Refrigerant/Canada

R-454C Mildly Flammable Refrigerant from Canada

A2L blend of R-32 and HFO-1234yf for new residential heat pump systems. Classified under HTS 3827.90.90.00 as other halogenated mixtures with mild flammability (A2L safety class). Meets latest global standards.

Duty Rate — Canada → United States

13.7%

Rate breakdown

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

Calculate with your customs value Verify classification with AI

Import Tips

• Include A2L flammability mitigation device requirements documentation

• Train personnel on UL 60335-2-40 safety standards for A2L refrigerants

• Monitor HFO stability as it degrades under certain storage conditions