How To Quiet A Noisy Furnace Blower 9 Easy Ways Quiet Home Life Step 1: power off. turn the power off to the furnace and locate the furnace blower motor. locate and take note of the furnace blower location, as well as where each wire is. you may want to take a picture with your mobile phone to note the wire location. Adjusting the fan speed can help eliminate the noise from your furnace blower. oiling the blower motor: use 3 in 1 motor oil to lubricate the blower motor axle. note that some blower assemblies have removable plastic cops on each end. remove them and squirt a few drops of oil into them.
How To Quiet A Noisy Furnace Blower 10 Easy Ways 6. check the blower motor belt. many quiet furnace blowers are belt driven, similar to a car’s engine. a dirty, misaligned, and or slipping belt can make squealing noises. in a worst case scenario, the belt can slip off or even break. clean the belt with a clean cloth and make sure it’s properly aligned. Make sure you order the correct one. scraping – the sound of metal rubbing on metal. this can be caused by a loose or broken motor mount, a loose or broken blower wheel, or loose pulleys that are touching the motor housing or squirrel cage housing. inspect all of these. make sure all parts are tight. It may be possible to reduce the noise level by changing the furnace or blower enclosure. blower enclosures made of metal can cause more noise than plastic, fiberglass, or other materials. blower covers with sound attenuation materials can reduce blower noise up to 10 db (a). a quieter running motor will run at less power, reducing energy. Using a brush and a mild cleaner, fully clean the blower fan blades. replace the bearings in the blower fan – over a period of time, the bearings in the fan can and will begin to fail. this will cause unwanted noise to emanate throughout the ductwork. simply replacing the blower fan bearings can eliminate excess noise.
5 Ideas How To Quiet A Noisy Furnace Blower Beezzly It may be possible to reduce the noise level by changing the furnace or blower enclosure. blower enclosures made of metal can cause more noise than plastic, fiberglass, or other materials. blower covers with sound attenuation materials can reduce blower noise up to 10 db (a). a quieter running motor will run at less power, reducing energy. Using a brush and a mild cleaner, fully clean the blower fan blades. replace the bearings in the blower fan – over a period of time, the bearings in the fan can and will begin to fail. this will cause unwanted noise to emanate throughout the ductwork. simply replacing the blower fan bearings can eliminate excess noise. 3. replace the belt drive. as mentioned earlier, a furnace blower can operate as a belt driven or direct drive motor. if yours is a belt driven motor, these belts can wear and tear over the long term, causing squealing. ensure you replace any worn out or frayed belts to eliminate the noise. Belt system. if your furnace has a belt drive system, another way to quiet a noisy furnace blower is to adjust the tension on the belts. to do this, you’ll need a wrench or screwdriver. once you’ve located the adjustment bolts, turn them clockwise to tighten the belts or counterclockwise to loosen them. finally, if none of these methods.
5 Ideas How To Quiet A Noisy Furnace Blower Beezzly 3. replace the belt drive. as mentioned earlier, a furnace blower can operate as a belt driven or direct drive motor. if yours is a belt driven motor, these belts can wear and tear over the long term, causing squealing. ensure you replace any worn out or frayed belts to eliminate the noise. Belt system. if your furnace has a belt drive system, another way to quiet a noisy furnace blower is to adjust the tension on the belts. to do this, you’ll need a wrench or screwdriver. once you’ve located the adjustment bolts, turn them clockwise to tighten the belts or counterclockwise to loosen them. finally, if none of these methods.
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