[RFI] Lennox furnace RF solutions

[Hisashi T Fujinaka]

My Trane makes a lot of noise. I added their "fix" but I think I
probably need to make sure it's properly grounded.

The bigger problem is that my furnace is a hybrid, meaning that when it
gets too cold for the heat pump it uses gas. Unfortunately the igniter
for the gas is really RF noisy. I haven't looked into that at all.

On Wed, 2 Sep 2015, Carl Foster wrote:

> For those who have not yet had to replace your HVAC systems, I recently had
> two American Standard heat pumps installed at my house and I have not
> detected even a hint of RFI. Both units have variable speed blowers and the
> larger one has a variable speed compressor and a network thermostat. I was
> listening on multiple receivers when they powered the systems on and I heard
> nothing on HF and VHF.
>
> Carl  KB7AZ
>
> Message: 1
> Date: Tue, 1 Sep 2015 13:44:45 -0500
> From: david garnier <dsgarnier at att.net>
> To: rfi at contesting.com
> Subject: [RFI] Lennox furnace RF solutions
> Message-ID: <55E5F21D.3060905 at att.net>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Hi,
>
> Has anyone had experience with RF interference from their Lennox furnace
> (model and age) and what their solution was??
>
> Gotta love these newer furnaces that are micro-controller based, variable
> blower(s) speed with network based thermostat control.
>
> Please contact me off list.
>
> Thanks,
>
> 73's Dave - wb9own at arrl.net
>
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-- 
Hisashi T Fujinaka - htodd at twofifty.com
BSEE + BSChem + BAEnglish + MSCS + $2.50 = coffee