How long should an AC blower motor last?

The average lifespan of an HVAC blower motor is between 12 and 15 years. Fortunately, your HVAC blower motor doesn’t need much maintenance to survive this long. However, overheating or excessive moisture can make your blower motor pull the plug sooner than you expect.

How much does it cost to replace AC blower motor?

Cost to Replace Central or Forced Air Blower Motor

Replacing a blower motor costs $450 on average with a typical range of $250 to $800. With a warranty, you might pay as little as $150 for labor alone. For high-end models, like those with large motors or access issues, you might pay as much as $2,000.

When should I replace my AC blower motor?

Weak Airflow from the Vents

If your blower motor is dirty or has a bad capacitor, you can call in an HVAC technician to fix the problem. On the other hand, if your motor is reaching the end of its service life, you should start looking for a replacement motor.

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How do I know if my HVAC blower motor is bad?

Signs of an Overheating Blower Motor

  1. A “hot” or burning smell from vents in the home. This symptom is often coupled with the furnace shutting off completely. …
  2. Loud humming and other unusual noises. We have many homeowners call us mentioning humming and other odd sounds. …
  3. Furnace cycles off and refuses to restart.

Why is my AC running but not blowing air?

The most common problems that cause a lack of airflow include frozen coils, broken fan and restricted airflow due to dirty air filters or vent obstruction. However, there are many other issues that can lead to minimal airflow, so it may be necessary to ask the professionals.

Can a blower motor be repaired?

Blower Motor Replacement: When Good Parts Go Bad. … There are a number of things that can go wrong with your heating system, but if the air stops blowing altogether and the same is true on cold air settings, a blower motor replacement is likely in order. The good news is that it’s a fairly straight forward repair.

How do you test a blower motor?

How to Test a Blower Motor

  1. Use voltmeter or ohmmeter to check for a blown fuse. If you find one, replace it.
  2. Start car and see if blower motor works. If fuse blows again, check for loose circuits.
  3. If the circuits are in good repair but the blower motor keeps blowing fuses, replace the blower motor [source: You Fix Cars].

What causes a blower motor to go bad?

The main causes of failure are loss of lubricant, a failed run capacitor, a failed bearing in a belt drive, a little water dripping into the windings or a voltage problem. So technicians should carefully check to find the cause of a failure before changing the motor.

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What causes AC fan motor to burn up?

Not having the fan blades installed in a correct position can result in a lack of airflow and cause the motor to overheat. Lack of maintenance. If the motor has not been lubricated, or the unit kept clean, this can lead to overheating problems.

Where is the blower motor reset button?

Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor.

Why is no air coming out of one of my vents?

When the AC filters are clogged with dirt, hair, dust, and other debris, the airflow through the vents in your home may be reduced, decreasing the efficiency of your air conditioning system. This can also happen if the AC filters are blocked by some furniture placed right in front of the system.

What causes AC blower to stop working?

A number of things could cause this to happen, from tripped circuit breakers to a faulty thermostat. However, it is also possible that the blower motor has stopped working. Typically, blower motors have a very long life. … One sign of a faulty blower motor is an air conditioner that still runs without blowing cool air.

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