Re: [RFI] Ruud Furnaces and AC units

[Dan K2YWE <dan.k2ywe@gmail.com>]

Is it posdible to search the archives by topic? I just see a list of links
to the months.

73, Dan

On Sun, Jul 6, 2025, 9:08 PM Steve London <n2icarrl@gmail.com> wrote:

> There was a thread on this very subject about 2 years ago. Check the
> archives.
>
> 73,
> Steve, N2IC
>
> On Sun, Jul 6, 2025 at 6:30 PM Dan K2YWE <dan.k2ywe@gmail.com> wrote:
>
>> Electronically Controlled Fan. I'm not so sure. The are some in high end
>> Carrier AC/heat pumps that some local hams have reported as EMI quiet.
>> Probanly some other brands too.
>>
>> 73, Dan
>>
>> On Sun, Jul 6, 2025, 3:51 PM Jim Brown <jim@audiosystemsgroup.com> wrote:
>>
>> > What's an ECM fan?  If it's variable speed, it's almost certain to be
>> > noisy.
>> >
>> > 73, Jim K9YC
>> >
>> > On 7/6/2025 8:54 AM, Dan K2YWE wrote:
>> > > Is there any group knowkedge with respect to RFI from Ruud oil
>> furnaces
>> > and
>> > > AC units that have ECM fans?
>> >
>> >
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>> >
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