![]() ![]() Some instruments can measure both air velocity (air speed) and air flow rate (air quantity). We can also measure air velocity or air speed without necessarily knowing the total quantity of air being moved.Īir velocity or air speed is measured in m/s (meters per second) or feet/minute. See TYPICAL AIR FLOW RATE CFM Specifications for HVAC equipment - for typical air flow rates in cooling and in heating mode. The Air flow rate for an HVAC system is defined as the volume of air being delivered at some speed or "rate", typically cubic feet per minute (CFM) or m/sec (meters per second), ft/sec (feet per second), or ft/min (feet per minute).Īir flow rate, or quantity of air being moved, is measured in m 3/sec (cubic meters per second) or cubic feet per minute (CFM). ![]() Reply: Definition of Air Flow Rate & Flow Rate Measurement: Air flow quantity & air velocity Definition of Air Flow Rate How do I measure the CFM of my air conditioner or heating system ? Measurement Air Conditioner or Heating System Air Flow CFM Question:
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