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Your blower motor should last between 10 and 20 years, matching the lifespan of your furnace or AC unit. To keep your system running smoothly for years to come, consider scheduling regular maintenance with a trusted HVAC professional.

If you notice any red flags, call a pro right away. These might include strange sounds, the system not working intermittently, or strange smells.

Testing a furnace blower motor involves several steps and specialized equipment, so it's often best to have a professional handle it. They can accurately diagnose any issues and recommend the best course of action.

The issue may be with the capacitor rather than the motor. In these cases, note that a new AC capacitor costs about $120 to $400.

Replacing a blower motor takes a local HVAC repair pro two to three hours. The technician will begin by turning off your home's electricity and gas to ensure safety. They will then remove the old motor and any necessary components, install the new motor, and test it to ensure proper operation. The process may take longer if the blower motor is difficult to access or if additional parts need replacement. Labor costs are around $100 to $140 per hour.

If your home isn't getting proper heating or cooling, it may indicate your blower motor is failing. Other signs include unusual noises like grinding or rattling, reduced airflow from the vents, or higher energy bills due to the motor working harder than normal. If you notice any of these issues, contact a professional HVAC technician to diagnose and fix the problem.