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

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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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

R-454C Mildly Flammable Refrigerant from Canada — Import Duty Rate | HTS 3827.90.90.00