What Does an HVAC Blower Motor Do?
Your HVAC blower motor is the part of the system that moves air through your home. After your air conditioner cools the air or your furnace heats it, the blower motor pushes that conditioned air through the ductwork and out of the vents. Without a working blower motor, your HVAC system may still turn on, but it will not be able to deliver steady airflow where it needs to go. This means that your home won’t be as comfortable, and your indoor air quality will deteriorate. Here are some signs that your blower motor might be going bad.
Signs Your Blower Motor is Failing
If you notice any of the warning signs below, it is worth scheduling service before the problem puts more strain on the rest of the system.
Unusual Noises
If you hear strange sounds from the furnace, such as squealing or grinding, it could indicate an issue with the blower motor. These sounds may be caused by worn-out bearings in the motor or debris that has become lodged in the blower. They can also be caused by a broken fan belt.
Lack of Airflow
If the blower has gone bad, you may notice a decrease in airflow from your vents. This could be a result of the motor not running at full capacity, or it could be due to a blockage in some portion of the system.
High Energy Bills
If the blower is not functioning properly, it can cause your HVAC system to run less efficiently and use more energy. The high energy bills could result from your system overworking to compensate for the blower motor’s lack of performance. An AC repair would be highly recommended if this was the case to fix the problem quickly.
Unpleasant Smells
If you notice strange smells coming from your vents, such as burning or musty odors, this could indicate a bad blower motor. It could also be caused by dust and debris lodged in the blower. For safety reasons, it’s essential to have the issue checked out as soon as possible.
Overheating
Blowers with worn-out parts are more prone to overheating. This can damage other components in the system, and it can even be a fire hazard if it’s not addressed. It can also cause your system to shut down, leaving you without any heat or air conditioning.
What Causes a Blower Motor to Fail?
A blower motor can fail for several reasons, and many of them develop slowly over time. Normal age and wear can weaken the motor, while electrical problems, worn bearings, dirt buildup, and overheating can make it harder for the part to run correctly. Restricted airflow is another common issue, especially when the air filter is clogged or the system is struggling to move air through the ductwork. When the blower motor has to work harder than it should, it can overheat, wear out faster, and eventually stop moving air through the home the way it should.
Can a Bad Blower Motor Be Repaired?
A bad blower motor can sometimes be repaired, but it depends on what is causing the problem. If the issue is related to a capacitor, wiring, buildup, belt, or another nearby component, a technician may be able to fix the system without replacing the entire motor. If the motor itself is burned out, badly worn, overheating, or no longer reliable, replacement may be the better option. An HVAC technician can inspect the system, identify the source of the airflow problem, and explain whether repair or replacement makes the most sense based on the age and condition of the equipment.
What to do if Your Blower Motor is Failing?
If you suspect your blower motor has gone bad, it’s crucial to call a professional HVAC technician immediately. We will diagnose the problem and give you the best options for repairing or replacing the blower motor. We can also help you with heater installation and repair, boiler installation and maintenance, heat pump services, ductwork, and indoor air quality in Albany. Contact Mike's Heating and Air today to learn more about our services.
