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

Mel Crichton kj9c at iquest.net
Tue Aug 14 07:23:44 PDT 2012

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 

Mel KJ9C ( a retired HVAC engineer) 

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