Wednesday, February 26, 2020

Many Contractors Unfamiliar With Refrigerant And Efficiency Regulations

A survey has found that only about half of HVAC professionals are familiar with upcoming 2023 efficiency and refrigerant regulations.

from Odor Management Plan in Controlling Smoke Odor https://ift.tt/2HV1nMQ
via https://ift.tt/2E0zRLH
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