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Question DetailsAsked on 4/18/2017

how much to replace inducer motor in furnace

I was told that I need to replace the inducer motor with housing and wheel. What does this mean. Is the entire furnace bad? And how much does it cost??

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2 Answers


No this does not mean the furnace is dead - this is just a booster fan (commonly installed in the exhaust flue pipe, not in the furnace housing itself at all) - that helps high-efficiency furnaces move the exhaust gases through the exhuast pipe to the outside. Inducer or eductor motors commonly last something around 10 years these days - no longer the 40-50 years you used to be able to count on when things were made to last rather as cheaply as possible. A major reason for the shorter lives is the sealed bearings rather than the old annually-lubricated oilable bearings - sealed bearings (in appliances and cars are "designed to last the life of the item" - which these days commonly means the bearings failing due to no periodic addition of fresh lubricant are the failure that causes the end-of-life for the motor ! Ain't planned obsolescence wunnerful !

Normally the housing would not be changed out - many or most brands have replacement motor/squirrel cage / fan units that just pull out with a few screws removed, and new one slips into the housing and you hook the wiring up. Course, if he can't get a replacement - or it is real expensive, then may need to or be cheaper to replace the in-line housing and motor/fan all as one unit. Depends on your specific case.

Replacement cost depends a lot on make and model - the motor/fan unit can run as low as around $100 to around $500 (contractor chargeout cost including markup), and installation can run from 1/2-2 hours commonly so from around $75-150 at low end (minimum trip charge) for an easily replaced unit to as high as $300-400 labor for a hard to get at or remove one. Around $300-500 would probably be the expected "normal" total cost range unless your replacement unit is quite expensive - so maybe on the order of 10-15% or a totally new furnace, so unless your is very old and on its lasst legs this repair would not be something that woould normally make a person think of replacing their furnace - especially since yours is likely relatively young if it has an inducer fan - which almost certainly means (unless you have a wierd fllue configuration) that it is already a higher efficiency unit.

In some cases the fan is readily removeable and can just be put on a new $50-150 motor - but many manufacturers do not provide replacement components only - only total assemblies as they are installed aat the factory, so you commonly pay 2-3 times what is really needed and get associated parts you do not need.

Answered 3 years ago by LCD


This is imparitive for cycling the furnace properly and to exhaust carbon monoxide disregard the first answer as uneducated

Answered 10 months ago by Mfrizzell

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