A2L Refrigerant Building Code Map - US
This map indicates where state and local building codes have been updated or legislation passed to allow equipment using A2L refrigerants. It will be revised as building codes and legislation are updated.
Colorado
State LawPassed: HB 22-1362
Effective Date: 6/2/2022AC CodesUpdated: Allowed by State Law
State Code - ACRefrigeration CodesUpdated: Allowed by State Law
State Code - RefrigerationStandards Currently ReferencedASHRAE 15: 2019
ASHRAE 34: 2019
UL 60335-2-40: 2019
UL 60335-2-89: n/aAny questions?
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