R290 and R32 are both gases used in air conditioning units. They're also known as refrigerants, which means they help cool down your room by turning into liquids when pumped through the system.

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R-410A is a hydrofluorocarbon (HFC) refrigerant gas widely used in air conditioning and heat pump systems.

R-134a is a hydrofluorocarbon (HFC) refrigerant used in various refrigeration and air conditioning systems, including automotive air conditioning, household refrigerators, and industrial chillers.

R407C is a HFC blend, used as a replacement for R22 in air-conditioning systems and medium temperature refrigeration applications.

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Air conditioning gas

Air conditioners typically use refrigerants like R-410A or R-32, which are Hydrofluorocarbons (HFCs). R-410A is commonly used, while R-32 is gaining popularity due to its lower Global Warming Potential, according to Bajaj Finserv and FreQuip Rentals. Older ACs might use R-22, also known as Freon.