WA Code Council Paves the Way for Use of A2L Refrigerants

2019-11-16
The Washington State Building Code Council has voted to fully adopt ASHRAE 15-2019 and the 3rd edition of UL 60335-2-40. Adoption of these codes will allow the use of mildly flammable A2L refrigerants in refrigeration and air-conditioning including the use in occupied dwellings. Washington is the first state to bypass the model code organizations to directly adopt the updated ASHRAE and UL standards to allow the use of A2L refrigerants.
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