Which refrigerant example do you not need Section 608 to purchase?

Which refrigerant example do you not need Section 608 to purchase?

• A. Nitrogen
• B. R-22
• C. R-134a
• D. R-410A

Answer: (A)

Section 608 rules target refrigerants used in cooling systems and require certification to purchase or handle those regulated substances because of environmental and safety concerns. Nitrogen isn’t a refrigerant used in HVAC cooling cycles; it’s an inert gas often used for purging, leak testing, or pressurizing systems. Since it isn’t a regulated refrigerant, you don’t need Section 608 certification to buy it. The other examples—R-22, R-134a, and R-410A—are regulated refrigerants, and their sale to non-certified individuals is restricted, with technicians needing the appropriate certification to purchase and work with them.

Section 608 rules target refrigerants used in cooling systems and require certification to purchase or handle those regulated substances because of environmental and safety concerns. Nitrogen isn’t a refrigerant used in HVAC cooling cycles; it’s an inert gas often used for purging, leak testing, or pressurizing systems. Since it isn’t a regulated refrigerant, you don’t need Section 608 certification to buy it. The other examples—R-22, R-134a, and R-410A—are regulated refrigerants, and their sale to non-certified individuals is restricted, with technicians needing the appropriate certification to purchase and work with them.