Cold storage systems are subject to the regulation, Prohibitions on Use of Certain Hydrofluorocarbons in Stationary Refrigeration, Stationary Air-conditioning, and Other End-Uses (HFC Regulation).
“Cold Storage” means a refrigerated facility or warehouse used for the storage of temperature-controlled substances.
All "new" refrigeration systems in cold storage warehouses, regardless of charge size, will be subject to the prohibitions listed on Section 95374 (b) Table 2. This includes any facilities that meet the definition of “new refrigeration equipment.”
Cold storage warehouses (new)
HFC‑227ea, R‑125/290/134a/600a (55.0/1.0/42.5/1.5), R-404A, R‑407A, R‑407B, R‑410A, R‑410B, R‑417A, R‑421A, R-421B, R‑422A, R‑422B, R‑422C, R‑422D, R‑423A, R‑424A, R-428A, R‑434A, R‑438A, R‑507A, and RS‑44 (2003 composition)
Unacceptable as of January 1, 2023.
New Facilities - GWP limit
New cold storage facilities containing more than 50 pounds refrigerants are subject to the global warming potential (GWP) limit in section 95374(c) Table 3 and to the requirements under Section 95475 (c) which includes exceptions, and labeling and recordkeeping requirements. This includes any facilities that meet the definition of “new facility.” Additionally, the Refrigerant Management Program regulates companies with refrigeration systems that have greater than 50 pounds of high-Global Warming Potential refrigerant in their systems.
Cold storage warehouses
Refrigeration equipment (new), containing more than 50 pounds refrigerant
Refrigerants with a GWP of 150 or greater
Prohibited as of January 1, 2022