Why Fireplace Blower not Blowing Air? [Reasons & Fixes]

You may feel frustrated and overwhelmed when your fireplace blower is not blowing air. When the warmth from the fire isn’t making it into your living space, it can quickly become an issue that needs to be addressed. So Why is my fireplace blower not blowing air?

The most common reasons for a fireplace blower not blowing air are a lack of power, a faulty motor, a dirty or clogged air filter, obstructed air vents, dirty fan blades, a malfunctioning thermostat or switch, a damaged blower wheel or loose or damaged wiring.

Whether your blower is electric or gas-powered, learning how to troubleshoot this problem can help you get air temperature back into your home again.

In this blog post, we’ll explore some of the common causes for a fireplace blower not blowing air and potential solutions for each one.

Why is the Fireplace Blower not blowing air?

There are several reasons why a fireplace blower may not be blowing warm air, and some of the most common reasons and their fixes include:

1) The blower is not receiving power

If the blower is not receiving power, it will not be able blowing hot air. Check if the blower is plugged in properly and the outlet is working. If it is not, try plugging the blower into a different outlet.

2) Faulty blower motor

If the blower motor is faulty, it will not be able to function properly. You can check this by listening for any unusual sounds from the motor. If you suspect the motor is faulty, it may need to be replaced.

3) Dirty or Clogged Air Filter

A dirty or clogged air filter can prevent air from flowing properly and affect variable speed controller. Check the air filter and clean or replace it if necessary.

4) Obstructed Air Vents

Check them to ensure they are not obstructed by anything. Remove any objects that are blocking the vents.

5) Blower Fan blades are Dirty

Over time, blower fan blades can become dirty or clogged with debris and stop working, preventing air from flowing properly. Clean the fan blades and remove any debris that may be present.

6) Malfunctioning thermostat or switch

A malfunctioning thermostat or switch can prevent the blower from turning on. Check the thermostat or switch as well as circuit breaker and replace it if necessary.

7) The Blower wheel is Damaged

If the blower wheel is damaged, it may not be able to spin properly, which can prevent air from flowing. If the blower wheel is not working properly and replace it if it is damaged.

8) Loose or Damaged Wiring

Loose or damaged wall switch and wiring can prevent the blower from receiving power or functioning properly. Inspect the wiring and repair or replace any damaged or loose wires to prevent your heating unit to stop working altogether.

Does a fireplace blower need to be cleaned?

gas fireplace

Yes, a fireplace blower should be cleaned regularly to ensure it works properly and efficiently. To clean the blower, start by unplugging it from the power source. Then remove any debris, dust, or dirt accumulated on the fan’s blades using a soft cloth. You can use a vacuum cleaner with an attachment specifically designed for blowers.

It is also important to check the filter and replace it if necessary.

Lubricate any moving parts with oil or grease, such as the bearings, shafts and gears. By cleaning your blower regularly, it will work fine and will last for long.

How do you know if your fireplace needs cleaning?

How do you know if your fireplace needs cleaning?
  1. Excessive smoke: If you notice more smoke coming out of the chimney than normal, it could signify that your fireplace needs to be cleaned.
  2. Soot accumulation: When soot builds up on the walls or floor of your fireplace, it’s a clear sign that it needs to be cleaned.
  3. Unpleasant odors: If you notice an unpleasant smell coming from your fireplace like burning plastic, that could mean that soot and creosote have accumulated in the chimney and need to be removed.
  4. Difficulty lighting fires: If you’re having difficulty getting a fire started or keeping it going, that could signal that your chimney needs to be cleaned.
  5. Creosote buildup: If you notice a black, sooty substance on the chimney’s walls, it’s likely creosote and should not be ignored. The accumulation of creosote can lead to chimney fires if left unchecked.

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How long do fireplace blower motors last?

On average, a good quality fireplace blower motor can last between 8 to 15 years with proper maintenance and regular use. However, some motors may fail earlier for various reasons, including overheating, power surges, or general wear and tear.
The lifespan of a fireplace blower motor depends on several factors, including the quality of the motor, how frequently it’s used, and how well it’s maintained. A well-maintained motor can last for many years, while a poorly maintained one can fail after just a few years.

Can you replace the fireplace blower?

Yes, it is possible to replace a fireplace blower. There are certain fireplace replacement parts available in the market.

How long does it take for a fireplace blower to turn On and Off?

wood fireplace

Usually, it takes 10-20 minutes for the blower to turn on and off. This time varies depending on the size of the fireplace, the type of system, and other factors.
If you are using a gas fireplace, wood stoves or an electric insert, it may take longer than if you are using a wood-burning fireplace.

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