What Is Amp Draw

Amp draw is a measurement of the power being consumed by a blower motor to move the air through your HVAC system. … Amp draw is a measurement of the power being consumed by a blower motor to move the air through your HVAC system.

How do you calculate amp draw?

Divide the watts of a given electrical item by the total number of volts available from the electric outlet to calculate amperage draw. The amount of current flowing through the wire is measured in amperes, or amps. The equivalent of available electricity at the power source is voltage, or volts.

How much amp draw is too much?

In fact, we suggest a 25-milliamp draw is acceptable and anything that exceeds 100-milliamps indicates an electrical issue that needs to be addressed.