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When you think about your HVAC system, you might picture the thermostat, the outdoor unit, or the vents that push warm or cool air into your home. However, one of the most critical components of your HVAC system is the blower motor. At Service Hero, we understand the importance of each piece of your HVAC system and how they work together to ensure your comfort. Read below to find out why the blower motor is so essential and how it keeps your home environment just right.

Customer Reviews


Amy Grant

It was so easy to schedule this appointment online and the service happened quickly. I sent my online request on Friday night and Henry was at my door first thing Saturday morning. Henry was courteous, polite, and friendly and explained what needed to be done. The first repair made didn’t 100% solve our toilet issue, so he made sure to recheck everything and ended up replacing a part that he needed to go out and get. Henry was respectful of my time and my home and I appreciate that. Will definitely use this company again!


Peter Kostadinov

Joe was amazing.Very professional, knowledgeable and friendly. He inspected the a/c system and diagnosed several issues that needed to be addressed. He took care of them and performed several tests to make sure everything worked well.I couldn’t be happier with the service he provided. Strongly recommended.


Marc Farer

Tanner showed up on time. He explained all our options and made sure we understood what he was going to do. Fast, efficient and did a good job of cleaning up when he finished. Saved the day . . .


Understanding the Blower Motor

Blower motors are a vital part of HVAC systems because they are responsible for circulating the air pushing the warm or cool air from an HVAC unit into living spaces. Without the blower motor, the conditioned air would never make it past the ducts and into the rooms of your house, leaving your home uncomfortable and your HVAC system inefficient. The blower motor consists of a fan, also known as a blower wheel, and the motor itself. The fan draws in air from the return ducts and pushes it through the HVAC system to be heated or cooled. This process ensures that your home maintains a consistent temperature, regardless of the weather outside.

How the Blower Motor Functions

So, how does this all-important component work? The blower motor operates in conjunction with your HVAC system’s fan to move air across the heat exchanger or the evaporator coil, depending on whether you’re heating or cooling your home. When your thermostat signals for heating or cooling, the blower motor kicks into gear, powering the fan that draws air in through return ducts, pushes it through the HVAC unit, where it’s heated or cooled, and then circulates it back into your home. Blower motors can be either single-speed or variable-speed. Single-speed motors operate at one fixed speed, turning on and off as needed. Variable-speed motors adjust their speed to provide more precise temperature control and greater energy efficiency. Variable-speed motors run at lower speeds for longer periods, which helps in maintaining a consistent temperature and reduces the wear and tear on the motor itself.

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Where to Find the Blower Motor

The blower motor is typically housed within the indoor unit of your HVAC system, which is usually located in a basement, attic, or closet. In a furnace, the blower motor is located next to the heat exchanger. In a central air conditioning system, it’s found near the evaporator coil. This positioning allows the blower motor to efficiently pull in air, move it through the HVAC system to be conditioned, and then distribute it throughout your home. Knowing the location of your blower motor is important for maintenance and troubleshooting. If your HVAC system is not working correctly, the blower motor could be the culprit. Recognizing its location helps in quick diagnostics and repairs, ensuring your system is up and running as soon as possible.

Tips for Maintaining Your Blower Motor

Regular maintenance of your blower motor is necessary to ensure the efficiency and longevity of your HVAC system. Here are some essential maintenance tips:

  • Regular Cleaning: Debris can accumulate on the blower motor and fan blades, reducing efficiency and increasing wear and tear. Regularly clean these components to keep your system running smoothly. 
  • Lubrication: Some blower motors require periodic lubrication to keep the bearings operating smoothly. Check your HVAC system’s manual for specific maintenance requirements. Applying a few drops of oil to the motor bearings can prevent friction and extend the motor’s lifespan.
  • Filter Replacement: Replace your HVAC system’s air filter every 1-3 months for optimal airflow and to prevent the motor from overworking. Clogged filters can restrict airflow, causing the motor to work harder and potentially overheat.
  • Professional Inspections: Schedule regular HVAC maintenance with a professional technician. They can inspect the blower motor, identify any potential issues, and perform necessary repairs or adjustments. A professional can also check for electrical issues, which could affect the blower motor’s performance.
  • Monitor Performance: Pay attention to the performance of your HVAC system. If you notice any strange noises, restricted airflow, or inconsistent temperatures, it may be time to inspect the blower motor.

Do You Need an HVAC Inspection or Repair Service?

At Service Hero, we’re dedicated to helping you maintain a comfortable space. Whether you need routine maintenance, repairs, or a new HVAC system installation, our technicians are here to help. Call Service Hero today to schedule your service.


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