How long does a furnace blower motor last?

How long should a blower motor last on a furnace?

Variable-speed blower motors can have a life expectancy of 15-20 years. But when they do break down, variable-speed blower motors are more expensive to replace than PSC motors.

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

Signs of an Overheating Blower Motor

  1. A “hot” or burning smell from vents in the home. This symptom is often coupled with the furnace shutting off completely. …
  2. Loud humming and other unusual noises. We have many homeowners call us mentioning humming and other odd sounds. …
  3. Furnace cycles off and refuses to restart.

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

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.

How do you know if your blower motor needs to be replaced?

SIGNS OF A BAD BLOWER MOTOR

  1. FAN BLOWS AT ONLY A CERTAIN SPEED. …
  2. WEAK AIRFLOW OF THE BLOWER MOTOR. …
  3. UNUSUAL NOISES FROM HVAC SYSTEM. …
  4. SMOKE OR SMELL WHEN DRIVING. …
  5. HOW DOES A CAR BLOWER MOTOR WORK?
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How often do blower motors go out?

Even though the manufacturer states their blower motor will last two decades, we advise all clients to expect a 10-20-year life span due to age, use, and proactive maintenance.

What happens when blower motor goes out?

A bad blower motor can cause a lack of air flow from the vents when the heating or air conditioning is on. The system won’t function if the blower motor burns out or short circuits.

How much does it cost to replace a blower motor?

Installing a new heating and air conditioner blower motor could cost around $150 to $250, with most of that coming from labor costs. HVAC technicians usually go for around $75 to $125 per hour. A blower motor replacement might take anywhere from one-and-a-half to two-and-a-half hours.

What causes a furnace blower to stop working?

Sometimes the furnace blower isn’t working because the thermostat is set too low. Over the summer or more recently, someone may have accidentally lowered the thermostat temperature. With all the new digital thermostats and digital controllers, this can and does happen. The third easy fix is a clean furnace filter.

Can you run furnace without blower?

The furnace can produce heat inside the combustion chamber—but that heat won’t go anywhere if the blower fan isn’t running. Because there’s a danger of the furnace overheating without the blower fan, the furnace won’t operate unless the blower has power.

What causes a blower motor to fail?

The main causes of failure are loss of lubricant, a failed run capacitor, a failed bearing in a belt drive, a little water dripping into the windings or a voltage problem. So technicians should carefully check to find the cause of a failure before changing the motor.

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Is it hard to replace a blower motor?

If you don’t want to sweat or shiver, then find a good mechanic. The replacement of the blower motor is common and straightforward, so most shops will perform the repair — many on the same day.

Can you upgrade a furnace blower?

Both your heating costs as well as the comfort level inside your home can benefit by upgrading from an outmoded PSC unit to an ECM furnace blower motor. It’s a good bet that the motor inside your existing furnace blower is a PSC (permanent split capacitor) type.