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[RFI] Quiet HVAC

from [Carl Foster] [Permanent Link][Original]
To: <rfi@contesting.com>
Subject: [RFI] Quiet HVAC
From: "Carl Foster" <carlfoster@cactuscomm.net>
Date: Wed, 2 Dec 2015 14:36:52 -0700
List-post: <rfi@contesting.com">mailto:rfi@contesting.com> 
I have two separate American Standard heat pumps and they have no measurable
EMI. 

One has a variable compressor and indoor fan, the other is a two-speed
compressor and a variable indoor fan. I had my receivers on when the fired
the units up. Absolutely silent on the air. 

Carl KB7AZ  Tucson, AZ


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