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High Pitched Electronic Noise from AC/Heater Unit

I started to hunt for help on the Greater Internets but realised that this was the sort of thing more suited to this crowd.

In our apartment there are electronic combo heater/ac units. One of them emits the classic, high-pitched 'electronic" sound so i turn it off all the time which annoys my spouse whose hearing isn't as acute.

Has anyone advice about fixing the appliance before it breaks my marriage?

I can go into more detail as far as set-up of the rooms if needed - make of appliance, location of other electonics...

Thank you so much!
128x128eekahil
4 responses Add your response
jea48
4,423 posts
 
In our apartment there are electronic combo heater/ac units. One of them emits the classic, high-pitched 'electronic" sound so i turn it off all the time which annoys my spouse whose hearing isn't as acute.
Eekahil
I assume the heating/ A/C units are heat pump units. Not sure what that high pitch sound is you are hearing from the unit.

My guess the sound could be coming from the fan. If the heat pump unit has the compressor built into the unit it is possible the compressor could be making the sound.

I suggest you have an HVAC Tech check out the unit causing the high pitch noise.
Cheaper than a divorce.
.
nick_sr
263 posts
 
Is it cold outside, that is below -5c or 20F?
hevac1
812 posts
 
Is the ac/heat unit 120 or 208/230. Do you heat with gas/oil or a heatpump.
swampwalker's avatar
swampwalker
5,138 posts
 
Are you getting the noise through your speakers when the heater/AC is running or is it the heater/AC that is actually emitting the noise?
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