HERS ECC Title 24 Group
HVAC Verifications: Airflow, Fan Efficacy & Refrigerant Charge
Most altered-system scopes trigger some combination of airflow rate, fan efficacy, and refrigerant charge verification. We run all applicable measurements in a single visit: plenum-pressure or flow-grid airflow measurement, fan watt draw against the applicable W/CFM target, and charge verification to manufacturer specification.
Booking note for your CSRs: tell us tonnage, system type (split, package, heat pump), and whether the ducts are new, altered, or untouched — that determines the required test set and lets us quote the visit exactly.