How much does it cost to replace a heater fan?
Cost to Replace Central or Forced Air Blower Motor Replacing a blower motor costs $450 on average with a typical range of $250 to $800. With a warranty, you might pay as little as $150 for labor alone. For high-end models, like those with large motors or access issues, you might pay as much as $2,000.
Why won’t my heater fan come on?
If you see or hear the fan turn on, your blower motor is not the culprit. If the fan does not start, you have a wiring issue (circuit breaker trips) or motor problem (circuit breaker does not trip). While your thermostat may be at fault, only an HVAC technician can diagnose and remedy the issue correctly.
How do you replace a heater fan resistor?
Difficulty
- Remove the negative battery terminal.
- Locate the blower motor resistor on the passenger side under the dash board.
- Disconnect the electrical connector to the blower motor resistor.
- Remove the screws or bolts to the blower motor resistor and remove the resistor.
- Installation is the reverse of the removal.
Where is the heater fan located?
The blower fan is located inside a horizontal air conditioning unit in many home air conditioning systems, especially when the air handler is located in an attic or crawl area.
Does the fan come on when the heater is on?
Should fan be on with heat? The fan only turns on when cooling or heating (in winter) is required. If you can tolerate most of the summer heat – save for the absolute hottest of days – you’ll want to use the AUTO setting. The AC fan kicks in when needed and stops running when the job is done.
How do you turn on a heater fan?
How to Turn the Blower on Without Running the Furnace
- Move furniture or obstacles away from the warm-air supply register and the cold-air return.
- Locate the household thermostat.
- Switch the fan setting to “on.” Listen for the sound of the blower turning on.
How do I know if my heater resistor is bad?
Symptoms of a Bad or Failing Heater Blower Motor Resistor
- Blower motor stuck on one speed. A common symptom of a faulty blower motor resistor is a blower motor that is stuck on one setting.
- Blower motor does not work on certain settings.
- No air from the vehicle’s vents.
How do I test my HVAC fan?
How to Test Your AC Fan Motor
- Check the power. If you suspect the fan motor is bad, the first thing you should check is the power to the motor and the power to the air conditioning unit.
- Check the windings. Next, check the windings of the fan motor for an open or a short.
- Inspect the capacitor.
Where is the heater blower motor?
Locate the blower motor. On most vehicles, it will be located inside the engine bay along the firewall on the passenger side of the vehicle. On some vehicles, it may be located inside the passenger compartment, below the dash on the passenger side of the vehicle.
How do I know if my blower motor switch is bad?
Symptoms of a bad heater blower motor resistor
- Fan does not work at all, so no air comes out of the vents.
- Fan only works on some speeds and not others.
- Fan only works on the highest speed.
- Fan runs all the time and can’t be controlled with the fan switch.
- You see smoke coming out of the vents.