I also have a Carrier Infinity system. A really great product and I have never
experienced any RFI from it. More importantly, the variable speed components
save a LOT of electricity and are so quiet that you hardly know it’s on.
Disclosure: My son owns a major Carrier dealership in the Raleigh and Charlotte
areas but is aware and sensitive to RFI concerns.
73,
Jim K4QPL
Sent from my iPhone
> On Jul 17, 2024, at 4:08 PM, Gary Johnson via RFI <rfi@contesting.com> wrote:
>
> My brand new Carrier Infinity HVAC system is totally RFI quiet. Multiple
> adjustable speed drives. Except for the big compressor, the drive electronics
> are integrated into the motor housings, eliminating many likely RFI
> radiators. There’s a HUGE board full of L, C, and ferrite chokes at the power
> inlet to the compressor. I have to hand it to Carrier, they did a thorough
> job. I have to walk right up to the equipment with my DFing antenna to detect
> anything. If there was a problem, I noted that there is room inside all
> enclosures for additional custom filter components. Photos available.
>
> Also a big Bryant mini split was just installed at N6RO. I had previously
> been taken by the contractor to an identical installation to check for RFI.
> Nothing detected! Same for the Mitsubishi mini split at my remote station,
> where it sits right under all the antennas. This is all good news… I’m
> beginning to think that the major manufacturers are doing the right thing.
>
> Gary NA6O
>
>> I have a 20 year old forced hot air, gas furnace. Still working fine, but
>> it will need to be replaced in the next few years. I would also like to add
>> A/C to the mix.
>>
>> Anything new in that area ? There is a great presentation at
>> https://viennawireless.net/wp/wp-content/uploads/2021/09/HILLSON_RFI_PDF_3SEP2021.pdf
>> or https://www.youtube.com/watch?v=vj-14H-HpFU , but I have seen very
>> little recently. Have any of you installed new HVAC recently and dealt with
>> RFI ? Good or bad experiences with installers and manufacturers ?
>>
>> 73,
>> Steve, N2IC
>
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