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10-20-2020, 11:19 AM
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Join Date: Jun 2007
Location: Beaumont
Posts: 762
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Noisy furnace
When my furnace starts up it is really noisy any help with this issue would be appreciated.One it warms up it quiets down somewhat but still noisy.
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10-20-2020, 11:45 AM
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Join Date: Oct 2012
Posts: 4,032
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Your question is to general, so I can only guess the blower bearings are done.
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10-20-2020, 11:53 AM
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Join Date: Nov 2009
Location: Calgary
Posts: 1,696
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Yup. Way too vague of a question to be able to give a solid answer. I’ve heard squeaky inducer fans, groaning motors due to failed capacitors, thumpy blowers due to crud buildup on the wheel, rattles, pop, clanks. . . *♂️
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You bet your ass I voted
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10-20-2020, 12:13 PM
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Join Date: Jun 2007
Location: Beaumont
Posts: 762
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Noisy furnace
Had both motors changed last year .When I open the panel it seems fine but upstairs the noise is coming through my cold air return people say this is a Lenox problem
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10-20-2020, 12:21 PM
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Join Date: Jun 2007
Posts: 967
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I have a couple of Lennox furnaces, and they are indeed noisy.
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10-20-2020, 12:34 PM
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Gone Hunting
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Join Date: Sep 2010
Location: North of Peace River
Posts: 11,346
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I just dealt with such an issue.
It sounded to me like bearing chatter, serviceman found a loose panel on the cold air duct. fixed that and no more noise.
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Democracy substitutes election by the incompetent many for appointment by the corrupt few.
George Bernard Shaw
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10-20-2020, 12:37 PM
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Join Date: May 2007
Location: Canmore
Posts: 4,740
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I've found that a flapping piece of dried-up furnace duct tape has caused this problem as well. Older house?
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The world is changed by your action, not by your opinion.
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10-20-2020, 12:42 PM
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Join Date: Dec 2010
Location: Sherwood Park
Posts: 363
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Quote:
Originally Posted by slingshot
Had both motors changed last year .When I open the panel it seems fine but upstairs the noise is coming through my cold air return people say this is a Lenox problem
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If you had the blower motor change last year, they might not tightened the bolts enough and the blower wheel is now rubbing on the housing.
but it is also likely the blower motor bearings are going as well.
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10-20-2020, 12:45 PM
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Join Date: May 2007
Location: Central Alberta
Posts: 21,399
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Dust build up in the fan ? Throws it out of balance.
Grizz
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"Indeed, no human being has yet lived under conditions which, considering the prevailing climates of the past, can be regarded as normal."
John E. Pfeiffer The Emergence of Man
written in 1969
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10-20-2020, 12:58 PM
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Join Date: Jul 2017
Posts: 1,417
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Like the resonance when you leave only the back window of your car open? An electrician passed some wires through my return, and in doing so unzipped the sheet metal connection on the joist cap. It setup a flutter through the whole house.
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I get all the news I need in the weather report
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10-20-2020, 12:58 PM
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Join Date: Sep 2008
Posts: 727
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Quote:
Originally Posted by KegRiver
I just dealt with such an issue.
It sounded to me like bearing chatter, serviceman found a loose panel on the cold air duct. fixed that and no more noise.
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Same thing here. I had a return air frill in the ceiling downstairs that was loose. Snugged it back up and noise gone
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10-20-2020, 01:16 PM
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Join Date: Dec 2012
Location: At the end of the Thirsty Beaver Trail, Pinsky lake, Alberta.
Posts: 24,499
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fire it up and take off panels to get to the source/area....go from there...call a guy in and well chaching….your money. for a possible easy fix/repair.
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Be careful when you follow the masses, sometimes the "M" is silent...
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10-20-2020, 04:46 PM
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Join Date: May 2007
Location: South West Alberta
Posts: 799
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Have a 1963 Lennox, replaced rubber bushing on frame that holds blower and motor and it is quiet now. $30.00.
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10-20-2020, 07:47 PM
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Join Date: Oct 2012
Posts: 4,032
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Quote:
Originally Posted by 59whiskers
Have a 1963 Lennox, replaced rubber bushing on frame that holds blower and motor and it is quiet now. $30.00.
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Diesel furnace?
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10-20-2020, 08:16 PM
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Banned
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Join Date: May 2007
Location: YEG
Posts: 9,981
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Any chance of purchasing a stethoscope form Princess Auto and try to track down the source of the noise??
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10-21-2020, 06:29 AM
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Join Date: May 2007
Location: South West Alberta
Posts: 799
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Quote:
Originally Posted by tri777
Diesel furnace?
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The furnace I have is natural gas.
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10-21-2020, 08:37 PM
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Join Date: Jul 2011
Location: Strathcona County
Posts: 2,171
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If you are in the Edmonton area, I know a furnace guy you can trust. Any time of day or night, no extra charge or overtime fee, focus on maintenance and repair because the big companies are sending people out for unnecessary sales not repair.
If you want an honest furnace, send me a PM and I will give you his info.
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10-21-2020, 08:51 PM
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Join Date: May 2007
Location: Central Alberta
Posts: 21,399
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Quote:
Originally Posted by 59whiskers
Have a 1963 Lennox, replaced rubber bushing on frame that holds blower and motor and it is quiet now. $30.00.
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That's right up there with the 70s Chevy, easy to fix. Tough to find a technician these days , who even understands modern furnaces and the fix usually ain't 30.00
Grizz
__________________
"Indeed, no human being has yet lived under conditions which, considering the prevailing climates of the past, can be regarded as normal."
John E. Pfeiffer The Emergence of Man
written in 1969
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10-21-2020, 09:04 PM
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Join Date: Oct 2012
Posts: 4,032
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Quote:
Originally Posted by Grizzly Adams
That's right up there with the 70s Chevy, easy to fix. Tough to find a technician these days , who even understands modern furnaces and the fix usually ain't 30.00
Grizz
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Extremely hard to find parts for them though, I been looking for a fuel pump & a ignitor for over a decade for my oil burner.
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10-22-2020, 08:18 AM
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Join Date: Dec 2010
Location: Sherwood Park
Posts: 363
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Quote:
Originally Posted by tri777
Extremely hard to find parts for them though, I been looking for a fuel pump & a ignitor for over a decade for my oil burner.
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try this site for parts
https://www.beckettcorp.com/products/
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10-22-2020, 08:33 AM
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Gone Hunting
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Join Date: Sep 2010
Location: North of Peace River
Posts: 11,346
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Wasn't there a member here who did furnace repairs?
I think I recall a member who I thought sounded like a great guy, and he did that sort of work.
Anyone remember him, or am I getting my sites mixed up.
__________________
Democracy substitutes election by the incompetent many for appointment by the corrupt few.
George Bernard Shaw
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10-22-2020, 12:00 PM
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Join Date: Dec 2010
Location: Sherwood Park
Posts: 363
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Quote:
Originally Posted by KegRiver
Wasn't there a member here who did furnace repairs?
I think I recall a member who I thought sounded like a great guy, and he did that sort of work.
Anyone remember him, or am I getting my sites mixed up.
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Caber i believe
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10-22-2020, 12:30 PM
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Join Date: Aug 2008
Location: Calgary
Posts: 4,083
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Quote:
Originally Posted by crazyperch
Caber i believe
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I would second Caber . If he can't I know another furnace guy works for cash and helped me a couple times
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10-22-2020, 12:38 PM
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Join Date: Aug 2007
Location: Calgary
Posts: 19,416
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Did someone say my name? I'm handicapped for a spell until my service van gets the transmission fixed on warranty, besides, the OP is a bit of a drive even with it functional again.
If both of the motors (main blower and combustion venter motor) are new, it might not be bearings but the blower wheel being out of balance could certainly be an issue. Sometimes simply changing the blower speed by connecting a different wire can help, take note of the speed ratings of the 3 or 4 hot leads as printed right on the motor, the inner wiring diagram sticker or in the manual. I liked the older belt-drive blowers as you could simply adjust the motor pulley for speed changes. A speed change can make a big difference when it comes to harmonics. Of course other issues can be poorly fastened ductwork, something loose, etc. Some noise complaint calls were quite easy to amend, others downright annoying to solve when.
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"The trouble with people idiot-proofing things, is the resulting evolution of the idiot." Me
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