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I'd be curious to see exactly where you placed the ferrites. I have an American Standard Gold Series furnace that was installed in December 2014. It produces about an S5 noise level on all bands when on. I've read all the documentation on the net, purchased a bunch of different size 28 mix ferrites and attached them last night. It did manage to reduce the noise a few S-units, but it's not completely gone. I put cores on the inducer motor wires right where they enter the motor and where they leave the controller board. I also put cores around the AC power coming into the furnace and on the thermostat line inside and outside the furnace. I also ran a ground braid from the natural gas line to the furnace chassis.

It was recommended to use 31 mix, but I didn't have that at my disposal. Not sure if the results would have been better with 31 mix or not. So I'm curious whether the cores could have been more strategically placed.

I do know it is better, because I can reduce it quite a bit with my Timewave ANC-4, whereas before it wouldn't even touch it.

I'd like to talk to anyone with same situation. Private email please.

<blockquote data-quote="VE3TMT" data-source="post: 515572" data-attributes="member: 43693">I&#039;d be curious to see exactly where you placed the ferrites. I have an American Standard Gold Series furnace that was installed in December 2014. It produces about an S5 noise level on all bands when on. I&#039;ve read all the documentation on the net, purchased a bunch of different size 28 mix ferrites and attached them last night. It did manage to reduce the noise a few S-units, but it&#039;s not completely gone. I put cores on the inducer motor wires right where they enter the motor and where they leave the controller board. I also put cores around the AC power coming into the furnace and on the thermostat line inside and outside the furnace. I also ran a ground braid from the natural gas line to the furnace chassis.It was recommended to use 31 mix, but I didn&#039;t have that at my disposal. Not sure if the results would have been better with 31 mix or not. So I&#039;m curious whether the cores could have been more strategically placed.I do know it is better, because I can reduce it quite a bit with my Timewave ANC-4, whereas before it wouldn&#039;t even touch it.I&#039;d like to talk to anyone with same situation. Private email please.</blockquote>

[QUOTE="VE3TMT, post: 515572, member: 43693"] I'd be curious to see exactly where you placed the ferrites. I have an American Standard Gold Series furnace that was installed in December 2014. It produces about an S5 noise level on all bands when on. I've read all the documentation on the net, purchased a bunch of different size 28 mix ferrites and attached them last night. It did manage to reduce the noise a few S-units, but it's not completely gone. I put cores on the inducer motor wires right where they enter the motor and where they leave the controller board. I also put cores around the AC power coming into the furnace and on the thermostat line inside and outside the furnace. I also ran a ground braid from the natural gas line to the furnace chassis. It was recommended to use 31 mix, but I didn't have that at my disposal. Not sure if the results would have been better with 31 mix or not. So I'm curious whether the cores could have been more strategically placed. I do know it is better, because I can reduce it quite a bit with my Timewave ANC-4, whereas before it wouldn't even touch it. I'd like to talk to anyone with same situation. Private email please. [/QUOTE]

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