[RFI] Getting a Gas Furnace, and Electric AC unit...

Dave Cole dave at nk7z.net
Wed Aug 15 16:23:30 PDT 2012

Thanks to all for the advice!  I have a signed proposal, which I have
accepted, including a clause as follows:

Entire system will comply with FCC part 15.  System will not radiate any
harmful RF as defined by licensed station operator for station NK7Z.
The installed system will be replaced or made RF proof in the event it
is susceptible to RF Interference from station NK7Z.

Thanks again, it would never have occurred to me to have them put it in
writing...  They called the maker of the furnace, and they said no
http://www.nk7z.net for equipment reviews, propagation, and more...
For JT65 Discussions:

On Tue, 2012-08-14 at 08:23 -0600, Mel Crichton wrote:
> I went thru this a couple of years ago, posted my observations, and got a 
> lot of helpful comments on this reflector. Please check the archives.
> There IS a strong chance of RFI for very high efficiency gas furnaces.... it 
> comes from the variable speed fan drives. I ended up with a Carrier unit 
> that is dead quiet, but there are horror stories about other brands  in the 
> archives.
> Mel KJ9C ( a retired HVAC engineer) 
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