Hello,
I wanted to ask you a question as my neighbor from downstairs seems to having problem with his AC unit (condo - air handler in the unit and a heat pump on the roof). His air handler makes (from time to time - especially at night when cold) grinding noises when starting. Unfortunately I cannot attach a sound file here. Sometimes the unit starts with grinding noises for 3-4 seconds, then the noise stops, and then starts again for a few seconds. Eventually the noise stops, but it is very annoying at night as it happens from time to time (not always - sometimes the handler starts quietly). Any suggestions what that is? My neighbor scheduled the service, but they apparently his unit is fine.
Thank you!
I wanted to ask you a question as my neighbor from downstairs seems to having problem with his AC unit (condo - air handler in the unit and a heat pump on the roof). His air handler makes (from time to time - especially at night when cold) grinding noises when starting. Unfortunately I cannot attach a sound file here. Sometimes the unit starts with grinding noises for 3-4 seconds, then the noise stops, and then starts again for a few seconds. Eventually the noise stops, but it is very annoying at night as it happens from time to time (not always - sometimes the handler starts quietly). Any suggestions what that is? My neighbor scheduled the service, but they apparently his unit is fine.
Thank you!
source https://hvac-talk.com/vbb/threads/2235735-Grinding-noises?goto=newpost
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