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Furnace and A/C work, blower fan is spinning but there is no force coming out of the vents, almost a whisper if any

user104569
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    Your fan may need some lubrication when the lube in the bearings is no longer doing its job the motor will not spin fast enough to provide enough air flow, that or your filter is really filthy. – Ed Beal Aug 01 '19 at 16:21
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    Common cause of this is a blown cap in the blower motor power input. – Carl Witthoft Aug 01 '19 at 18:28
  • I'm not familiar with this unit. Any chance the fan belt is slipping? – JACK Aug 01 '19 at 20:07
  • Is this old equipment that used to work better? Or new equipment that isn’t working as expected? – Kris Aug 02 '19 at 02:05

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