Monday, October 11, 2021

A1 Versus A2L Refrigerants: Similar But Different

The refrigerant transition has caused concern among HVAC contractors who wonder whether it is safe to work with mildly flammable refrigerants.

from Odor Management Plan in Controlling Smoke Odor https://ift.tt/3iQQO0l
via https://ift.tt/2E0zRLH

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