How long does it take to replace a blower motor in a furnace?

Author: Otha Kuphal  |  Last update: Wednesday, May 7, 2025

It takes two to three hours to replace a blower motor. When you hire an HVAC repair company, they'll first turn off the home's electricity and gas, remove the old motor and other components, connect and test the function of a new motor, and reassemble the furnace as needed.

How much should it cost to replace a furnace blower motor?

While costs can vary, homeowners can typically expect the following range: Standard Blower Motors: These might cost between $400-700, excluding labor. Advanced Multi-Speed or Variable-Speed Motors: These are generally more expensive, with costs ranging between $650-1250, not including labor.

Is it worth it to replace a furnace blower motor?

Replacing the blower motor is likely the best decision if your furnace is under warranty or relatively new. It might be better to replace the furnace if it's old or has a lot of issues that require frequent repairs. On average, a new blower motor costs $300 to $900.

Are blower motors easy to replace?

If you haven't done it already, the blower motor is extremely easy to remove and replace. Just do it.

How do I tell if my furnace blower motor is bad?

If you suddenly hear loud and strange sounds like squealing or grinding, these are symptoms of a bad furnace motor blower that can signal signs of motor bearing problems or a damaged belt in older belt-driven models. Repairs may be possible or it may be time to replace the blower motor entirely.

Master the art of replacing a Carrier blower motor like a pro!

What is the life expectancy of a furnace blower motor?

The Lifespan of a Blower Motor

Furnace: A blower motor in a furnace can last a minimum of 10 years but up to 20 if you schedule regular maintenance to keep your unit in good condition.

What causes a blower motor to go bad?

Overheating is one of the most frequent occurrences that can render the blower motor inoperative. If the motor has overheated, it may shut itself down to prevent damage. You should keep your HVAC clean and clear of any blockages or debris to avoid overheating and maintain efficiency.

How long does it take to get a blower motor replaced?

It takes two to three hours to replace a blower motor. When you hire an HVAC repair company, they'll first turn off the home's electricity and gas, remove the old motor and other components, connect and test the function of a new motor, and reassemble the furnace as needed.

Can you replace a furnace blower motor yourself?

Undo the screws on the motor to remove the belly band. The rotation of the motor needs to match the direction of the fans, so position them accordingly. Attach the new motor to the belly band. Center the new motor on the fan wheel, fasten the bolts, and connect the capacitor.

What happens if the blower motor goes out?

Your AC's blower motor is responsible for moving air through your air conditioner to cool it and then pushing it back out into your home. Without this incredible component, your AC can't provide any cooling effect, no matter how much the compressor runs.

What is the most expensive part to replace in a furnace?

A heat exchanger replacement is often one of the most costly repairs in a furnace, and the expense can sometimes rival that of installing a new furnace. Typical replacement costs vary widely but can easily reach several thousand dollars, especially if labor costs are factored in.

How long should a furnace blower last?

Key Takeaways. Furnace blower motors typically last 10 to 20 years, with regular maintenance significantly extending their lifespan. Various conditions, such as environmental exposure and system type, can also impact how long blower motors last.

What happens when furnace blower stops working?

A non-working furnace fan typically stems from electrical issues, mechanical failures, or control problems. Start troubleshooting by checking your circuit breaker, thermostat settings, and air filter condition.

How do I know if I need a new furnace blower?

10 Signs That Your Furnace Needs a New Blower Motor
  1. No Airflow From Your Vents. ...
  2. Higher Energy Bills. ...
  3. Strange Noises When Your Furnace Ignites. ...
  4. Strange Smells. ...
  5. The Blower Stops Working After You Turn On Your Furnace. ...
  6. Constant Thermostat Adjustments. ...
  7. There Is Cold Air Coming From Your Furnace. ...
  8. Your Furnace Doesn't Ignite.

Can a bad blower motor cause AC to freeze?

If your blower motor is not functioning properly, it can't circulate air through your AC system, causing the evaporator coil to become too cold and eventually freeze up.

How long do furnaces last?

The Average Furnace Lifespan

A well-maintained furnace can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend its life even longer.

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

Here are some signs of a broken furnace blower motor:
  1. Loud Operating Noises. When your blower has an issue, you might hear odd noises coming from your vents. ...
  2. Weak or Absent Airflow. Weak airflow or total lack of it is the most obvious sign of a bad blower motor. ...
  3. Overheating. ...
  4. High Energy Bills.

How much is a new blower motor for furnace?

Most blower motors cost between $350 and $1,150, or around $550 on average, but other cost factors like labor, additional parts, and furnace location will increase your project cost. Keep reading to learn about the top four factors contributing to your HVAC blower motor replacement costs.

Is a blower motor hard to fix?

The replacement of the blower motor is common and straightforward, so most shops will perform the repair — many on the same day.

How much is labor to replace a blower motor?

Labor Costs

Hourly rates can vary between $75 and $150, and it will likely take an experienced professional HVAC technician between 2-3 hours to diagnose and replace the blower motor in your furnace or AC unit.

How long does it take to replace a motor?

The time it takes for the mechanics to replace your car's engine depends on the model you drive and how old your vehicle is. Most engines can be exchanged in 5-10 hours under normal conditions, but the task might take longer if there are special requirements.

What is the life expectancy of a blower motor?

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.

Can a bad blower motor cause a fire?

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.

Can a furnace blower motor be repaired?

This fan is powered by a motor, and like most HVAC components, that motor sometimes fails. The older your furnace is, the more likely this is to happen. Luckily, residential HVAC contractors can usually replace or repair broken blower motors.

Previous article
How much to replace a heating element in a dishwasher?
Next article
What is the best drain cleaner for copper pipes?