[RFI] HVAC RFI

Steve Dyer W1SRD w1srd at yahoo.com
Wed Jul 17 14:40:57 EDT 2024


Conversely I have ECM's on both the indoor and outdoor units and the 
compressor is a VFD. No RFI. It depends on the vendor, their OEM's, etc.
Best advice is find an installer that will take the time to understand 
what you need. My installer was even interested enough to take me around 
to existing installs of the system so I could listen for RFI.
73,
Steve
W1SRD

On 7/17/2024 11:35 AM, Jim Brown wrote:
> On 7/17/2024 11:25 AM, Steve London wrote:
>> 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.
>
> Hi Steve,
>
> Controllers for variable speed motors are notoriously noisy, and 
> should be avoided. Yes, they are more efficient.
>
> 73, Jim K9YC
>
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