Static Pressure and Airflow Test Sheet

Record TESP, filter and coil pressure drops, blower setting and temperature split to diagnose airflow.

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Job

CompanyTechnicianDateCustomerAddress

Equipment

Indoor model / serialOutdoor model / serialRefrigerant / gas type

Static pressure

Return static (between filter and blower)	in. w.c.
Supply static (above coil)	in. w.c.
Total external static pressure	in. w.c.
Rated maximum (from plate)	in. w.c.
Pressure drop across filter	in. w.c.
Pressure drop across coil	in. w.c.

Airflow

Blower speed tap / setting	tap
Estimated airflow from blower table	CFM
System size	tons
CFM per ton	CFM/ton
Return / supply temperature	°F
Temperature split or rise	°F

Findings

Filter restriction
Undersized return
Dirty or restrictive coil
Closed dampers or registers
Duct leakage or disconnected duct

Notes and recommendations

Technician signatureCustomer signature

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General good practice for field reference. The equipment manufacturer's instructions and local code always come first. Suggest an improvement: hello@hvaccheatsheet.com.

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