What are commonly use refrigerants?

Question

What are commonly use refrigerants?

Answer 1

R-134a has all but replaced R-12.

Ammonia is used in many instances, especially in large manufacturing/storage buildings

Answer 2

Refrigerant Name         Equipment Use

A.) HCFC-22 (R-22) A.1 residential air conditioning (central and window)

        A.2 commercial rooftop air conditioning, residential and commercial heat pumps

A.3 large air conditioning equipment (chillers)

A.4 commercial refrigeration equipment for supermarkets, food storage, beverage coolers, etc.

B.) HCFC-123 (R-123) B.1 large air conditioning equipment (chillers)

C.) HCFC Blends

   (R-401 A&B, 402A&B,

    405A, 406A, 408A,

    409A, 411A&B, 414A&B

    and 416A)         C.1 commercial refrigeration equipment (e.g. supermarkets, food processing, storage & distribution)

C.2 beverage & large commercial coolers

C.3 ice machines

C.4 ice rinks