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re: MERV level on home AC filters in South Louisiana
Posted on 5/20/24 at 12:37 pm to Clames
Posted on 5/20/24 at 12:37 pm to Clames
quote:
so a dirty or restrictive high-MERV filter will actually have the blower motor drawing less amps (
For old school PSC blowers, that is true. For modern ECM motors, restrictive filters will result in much higher blower motor power consumption to the point of causing the motor to burnout and die early. Undersized ductwork with ECM blowers also has the same issue.
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