Static pressure is one of the most useful measurements HVAC contractors rely on when diagnosing airflow and performance problems. A heating and cooling ...
HVAC professionals across the country are experiencing a recent change that is driven by energy codes. This change is related to duct-leakage testing on new and often retrofitted HVAC systems. A lot ...
A very common complaint about duct testing is that the covers get blown off the registers. Most code language leaves the choice of pressurizing or depressurizing up to the tester, but experience has ...
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