How do I know if my furnace blower motor is bad?
What Are Signs Your Blower Motor Needs to Be Replaced?
- Poor or Airflow from Air Vents. This will be the first and most obvious sign your blower motor has a problem.
- No Airflow At All From Vents.
- Skyrocketing Energy Bills.
- Strange Noises When You Turn on the Heat.
- Overheating Blower / Weird Smells.
How much should it cost to replace a furnace blower motor?
$400 to $600
On average nationwide, a furnace blower motor replacement costs $400 to $600, including parts and labor. A single-speed blower motor costs around $450 to replace while a variable-speed motor costs $600 or more. You’ll also need to budget labor, about $75 to $125 per hour.
Can I upgrade my blower motor in my furnace?
Yes, most blower motors are designed to be universal, meaning that they can typically be swapped in furnaces of a different brand.
How do you diagnose a bad blower motor?
You might also hear ongoing whirring noises, or noises that change or get louder if you increase the fan speed. These are all signs of problems with the blower motor. In some cases, you may even notice smoke or smells of burning while driving, in which case you should pull over immediately.
How long do furnace blower motors last?
10 to 20 years
How Long Does a Furnace Blower Motor Last? Blower motors are designed to last just as long as your furnace itself, anywhere from 10 to 20 years. Just as with any HVAC system, the better maintained and serviced your equipment is by experienced HVAC technicians the longer it will last and the fewer repairs you’ll face.
How long should a furnace blower motor last?
How Long Does a Furnace Blower Motor Last? Blower motors are designed to last just as long as your furnace itself, anywhere from 10 to 20 years.
What causes a blower motor to fail?
Blower motor breakdown can be the result of anything from old age to failed bearings, high amp draw, electrical failure in the windings, dirt accumulation, and more. “The most common cause is dirt accumulation due to lack of maintenance,” said Tom Beaulieu, president of Bay Area Services Inc.
How do I know what blower motor I need?
To get the right blower motor for your air-conditioner, the contractor has to consider a number of things. They include the type of drive, the diameter of the motor, rotation direction, horsepower, voltage, speeds, and size of the capacitor. The company will first determine the right replacement for your motor.
How do I choose a blower motor?
First, you need to determine whether your fan will be belt-driven or direct-driven.
- Selecting Motor Size Based on Fan Drive Arrangement and Brake Horsepower.
- Fan Efficiency and Brake Horsepower.
- Hear it from the Application Engineer.
- Related Content on Industrial Fan Applications.
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.