How much does a furnace motor replacement cost? On average nationwide, a furnace blower motor replacement costs $400-$600, including parts and labor. A single-speed blower motor costs around $450 to replace while a variable-speed motor costs $600+.
How do I know if my furnace motor is bad?
Signs of an Overheating Blower Motor
- A “hot” or burning smell from vents in the home. This symptom is often coupled with the furnace shutting off completely. …
- Loud humming and other unusual noises. We have many homeowners call us mentioning humming and other odd sounds. …
- Furnace cycles off and refuses to restart.
How long does a furnace motor last?
Both types of motors are built to last up to 20 years with minimal maintenance required. The primary reasons that a motor might fail before its time are overheating and excess moisture.
What causes a furnace blower motor to go bad?
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.
When should a furnace blower motor be replaced?
Blower motors that are clogged with debris, or that become saturated with moisture can fail due to overworking or electrical shorts. Something to consider when replacing the blower motor in your HVAC system is how often you are paying for repairs. Most residential furnaces should last between fifteen and twenty years.
What does a bad furnace blower motor sound like?
Scraping: A scraping or metal-against-metal sound most often is caused by a loose or broken blower wheel, or a broken motor mount. … A distinct scraping sound is usually a sign you should call a furnace technician for repairs. Thumping: Thumping and vibrating sounds are the results of an unbalanced blower wheel.
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.
How do you know when your furnace needs to be replaced?
Heating8 Telltale Signs Its Time to Replace Your Furnace
- The Age of Your System. …
- Rising Energy Bills. …
- Excessive Dust, Dirt, Soot or Rust Particles. …
- Home Humidity Problems. …
- Furnace Becomes Unusually Noisy or Develops Rattles, Buzzes or Hums. …
- Furnace Has Visible Signs of Rust or Cracks in or Around System. …
- Frequent Repairs.
Should I replace furnace before it dies?
1. Your furnace is more than 15 years old. There’s no such thing as a furnace that never dies. … Make no mistake: “It would be unwise to replace a fully functional furnace only because it’s old,” Kenyon says.
Should I replace my 15 year old furnace?
Unfortunately, even the highest quality heating systems don’t last forever. According to the U.S. Department of Energy, a furnace should last 15-30 years before you’ll need a replacement. … Replace: Any system over 15 years old is prone to frequent and expensive repairs and may need to be replaced.
What happens when blower motor goes bad?
One of the first signs of blower motor failure is weak airflow. The motor wears out over time, and can’t push as much air, leaving you wondering what happened to the air power. This also decreases the efficiency of the defroster, as it uses the same fan.
Can I replace my own furnace blower?
With our furnace blower replacement guide, you can do it yourself and save. The typical service call for a hvac technician to do this would cost several hundred dollars but you can save most of that money by doing it yourself.
Can a blower motor be repaired?
Blower Motor Replacement: When Good Parts Go Bad. … 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.