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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.
How long should an AC blower motor last?
The blower motor in your home or office should last anywhere from 10 to 20 years. Modern sealed bearings and sealed bushings can push the lifespan to its maximum of 20 years. Proper cleaning and maintenance can also extend your unit’s lifespan.
How do I know if my central air blower motor is bad?
7 Signs and Symptoms of a Bad AC Fan Motor AC Fan Doesn’t Start. Even though you have the AC turned on, the fan does not start. AC Fan Doesn’t Stop. Slow Rotating Blades. Outside Fan Blades Are Still. Rattling, Humming, and Buzzing Noises. AC Runs Intermittently. No Cold Airflow.
What makes a blower motor go bad?
What Causes Blower Motor Failure? Like other components in your HVAC system, the blower motor can wear down over time. Some of the reasons a blower motor might fail are overheating, and excessive moisture. When dust, dirt, and debris build up, it can cause the windings and bearings to burn up more quickly.
What can cause a blower motor to stop working?
In most cases, a blower motor resistor fails due to corrosion or overheating. Sometimes, the mechanical resistance to the motor rotation causes an excessive electric current that can overheat and prematurely damage the blower motor resistor.
How much does it cost to replace a 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.
Can a blower motor be repaired?
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.
What does a bad blower motor sound like?
A defective blower motor will make a continuous sound noticeable by the passengers in the vehicle. It can manifest as a knocking, whirring, clunking, vibrating, squealing, or whining noise that persists until the blower motor is replaced.
What causes AC fan motor to burn up?
One of the main reasons a fan motor might malfunction is dirt inside the cabinet. Like any motor, an air conditioner fan motor can become overheated if it works too hard and doesn’t receive proper maintenance. If your AC has worked for you most of the summer, the stress could cause the fan motors to burn out.
Why is my air conditioner on but not blowing air?
If the AC unit is running, but there is no air through the vents, you are likely dealing with a fan capacitor that has reached the end of its life. Fan capacitors help get your HVAC system’s outdoor and indoor fan motors blowing and your compressor running.
How do I know if my blower motor switch is bad?
Switch only works on certain settings. One of the first symptoms commonly associated with a bad or failing blower motor switch is a switch that only works on certain settings. Switch is stuck. Another symptom of a bad or failing blower motor switch is a switch that is stuck, or frequently gets stuck. Broken knob.
Why is my AC running but not blowing air?
If your air handler is running but not blowing air, there are two likely scenarios; either a broken AC blower belt or an issue with the motor itself. If the motor is running, but it is not moving any air, then you’ll want to look to see if the blower belt is broken.
How long does it take to change a blower motor?
This is around a 4 hour job by an experienced Tech. At home, by a Novice with decent skills, about 5 hours plus!Jul 18, 2018.
How often do blower motors go out?
Even though the manufacturer states their blower motor will last two decades, we advise all clients to expect a 10-20-year life span due to age, use, and proactive maintenance.
Why does my blower motor only work on high?
Most car manufacturers use a series of resistors to make the heater blower motor run at different speeds. And when one or more of these resistors burn out, you’re usually left with only one heater blower motor speed—high. The resistor module is easy and inexpensive to replace.
When should I replace my blower motor?
If the motor is making rattling, clanking, or banging sounds, it may be because of a loose or broken part. Loud banging sounds are especially worrisome. They’re usually a sign that something is damaged or disconnected. And this may mean replacing the blower motor.
Can a bad blower motor cause no heat?
Problems with Your Blower Motor or Blower Motor Resistor Your blower motor is the component that pushes air through your car’s heating or cooling system. Without it, there’s no circulation of air—hot, cold, or otherwise. Both of these components can fail, resulting in the heating system simply not working.
