HFO-1234yf VRF System Refrigerant

HFO-1234yf refrigerant for variable refrigerant flow (VRF) commercial HVAC systems. Low GWP 2,3,3,3-Tetrafluoropropene per HTS 2903.51.1000. 25lb cylinders for building management systems.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%3.7%
🇲🇽Mexico3.7%3.7%
🇨🇦Canada3.7%3.7%
🇩🇪Germany3.7%3.7%
🇯🇵Japan3.7%3.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8415.90.80Higher: 18.9% vs 3.7%

If pre-charged VRF indoor units

Refrigerant in assembled HVAC equipment classified as machinery parts

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

VRF manufacturer compatibility letters expedite clearance

POE oil charge calculations for system capacity

Multi-cylinder pallet securement specifications

Related Products under HTS 2903.51.10.00

HFO-1234yf Refrigerant Gas

2,3,3,3-Tetrafluoropropene (HFO-1234yf) is a low global warming potential refrigerant used in automotive air conditioning systems. This unsaturated fluorinated derivative of acyclic hydrocarbons falls under HTS 2903.51.1000 due to its specific chemical structure and halogenated nature. It is supplied in pressurized cylinders for industrial and automotive applications.

HFO-1234ze Foam Blowing Agent

1,3,3,3-Tetrafluoropropene (HFO-1234ze) serves as an environmentally friendly foam blowing agent for polyurethane insulation. Classified under HTS 2903.51.1000 as a specifically named unsaturated fluorinated acyclic hydrocarbon. Used in spray foam and panel production for building insulation.

HFO-1336mzz (Z) Heat Transfer Fluid

(Z)-1,1,1,4,4,4-Hexafluoro-2-butene (HFO-1336mzz) is a high-performance heat transfer fluid for immersion cooling systems. This specific unsaturated fluorinated derivative is enumerated in HTS 2903.51.1000. Used in electronics cooling and organic Rankine cycle systems.

HFO-1234yf Automotive Refrigerant Charge

Pre-charged HFO-1234yf refrigerant cylinders for automotive A/C service and retrofitting. Pure 2,3,3,3-Tetrafluoropropene meeting HTS 2903.51.1000 specifications for unsaturated fluorinated acyclic hydrocarbons. Typically 10lb cylinders for professional technician use.

HFO-1234ze Spray Polyurethane Foam Precursor

HFO-1234ze (1,3,3,3-Tetrafluoropropene) specifically formulated as B-component blowing agent for spray polyurethane foam systems. Meets HTS 2903.51.1000 as pure named compound though destined for immediate chemical reaction. Supplied in returnable steel drums.

HFO-1234yf Electronic Grade Refrigerant

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