[RFI] Nest Thermostat

David Cole dave at nk7z.net
Tue Dec 3 14:29:23 EST 2013

If it were mine, I would bypass it for RF.  A call to Nest letting them
know it is living in a high RF environment might be in order...

Also, you might want to run some exposure calculations as well...  :)

Thanks and 73's,
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On Tue, 2013-12-03 at 13:09 -0500, Larry Bryan wrote: 
> I bought a NEST programmable thermostat in 2012 so I could monitor the
> house while in Florida. It's worked very well until last month. I was
> working 40m and after I was done, the wife wanted to know why the HVAC was
> running and cold air coming out of the floor vents. I investigated and
> found that both the AC and Heat was running and the thermostat was showing
> the wrong temperature.
> Calling NEST the next day, I was informed that the base of the thermostat
> has fusing and the fuse was blown. NEST sent a replacement base and after
> installation, it was working again.
> Again last night while working a DXpedition on CW, I shut down and walked
> into the family room to find the same thing had happened. My SteppIR is on
> a tower directly adjacent to the house and it was raised to about 35 feet.
> So I'm looking for suggestions on how I can reduce the RF getting into the
> thermostat. Obviously going back to an analog thermostat is a solution but
> would like to make that the final solution if possible.
> 73
> Larry - W8LIG
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