Breeze or Freeze? The Essential HVAC Tools Every Smart Homeowner Needs to Know

Which handheld tool measures the speed of air coming out of your vents to check CFM?

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Incorrect!

An anemometer measures air velocity (often in feet-per-minute or meters-per-second). Multiplying this reading by the surface area of your register vent tells you the exact CFM (cubic feet per minute) of airflow, helping isolate duct blockages.

Which handheld tool measures the speed of air coming out of your vents to check CFM?

Vane Digital Anemometer

Sling Psychrometer

Analog Dial Expansion Thermometer

Static Pressure Pitot Tube

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