Honeywell HFO-1234yf – Four cylinders (10 lbs each) (Brand may vary between Honeywell or National Refrigerants)

Please note, you must provide your 608 or 609 certification to buy this product. Download our Proof of Certification form.

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Honeywell HFO-1234yf is a replacement for R-134a as a refrigerant in automotive air conditioners. HFO-1234yf is the first in a new class of refrigerants acquiring a global warming potential rating 335 times less than R-134a (and only 4 times higher than carbon dioxide, which can also be used as a refrigerant but has significantly different properties to R134A, especially requiring operation at around 5 times higher pressure) and an atmospheric lifetime of about 400 times shorter. This product is in becoming more popular and in many new vehicles in 2017. It is growing in popularity and OutdoorSupply is your number one source.

What is HFO-1234yf?

HFO-1234yf is a new class of refrigerants known as hydrofluoroolefins. These refrigerants are similar to HFC refrigerants except that they have a much much lower Global Warming Potential number. This is done by creating a double carbon bond within HFO refrigerants. This double bond is easily decomposable in the environment if the refrigerant is leaked or vented. 1234yf is the first of these classes of refrigerants and will be used in automotive applications to replace R-134a.

Can I buy R-1234yf 8oz cans without being EPA certified?

Yes. The 609 certification or license is not needed when purchasing containers that contain less than two pounds of refrigerant.

Do I need to be certified to purchase 1234yf refrigerant?

Yes, as of January 1st, 2018 you will need to be 609 certified with the EPA in order to purchase 1234yf refrigerant. The only exception is buying for wholesale or when purchasing containers that contain less than two pounds of refrigerant. This new rule applies to R-134a cylinders as well.

For R-22, R-410a, R-404a, MO99, R-422D, and other HVAC refrigerants you must have a 608 license.