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Thank you very much. The 2nd opinion puts me more at ease. Telling a customer that something they have been using for heat is unsafe and needs to be immediately disabled is a big step and since I was...

Normally residential tech venturing into the commercial forum here on hvac-talk for the first time due to running a commercial call today.

In addition to the simple moving of a thermostat and...

Yep, about three years ago the newest parts house in the area was carrying Chinese POS caps under the name "Smart Electric" for a better than good price. We unfortunately installed quite a few and I...

Edit: 2nd paragraph: "I have only encountered this on a digital thermostat ONCE myself."

Okay, the thing is, without you actually being able to test the system during the malfunction it is just a guessing game until you do get to observe the malfunction. Now having stated the obvious,...

Are you saying that the entire heat system gets stuck? 1st stage heat WITH blower still energized as well?

-Brian

+1

A couple of trouble spots to check for control wire breaches are where the control wire goes through the wall with the refrigerant line set and inside the compressor compartment. I can't tell...

I had a 410-A split-A/C once where the condenser was on the ground and the coil on the third floor. Pressures looked great for the first 10-15 minutes of run time, then the head would start to...

Energizing 2nd stage while in defrost should be a very desirable thing as it will speed up the defrost cycle and should have no negative effect on heating mode head pressure as long as it...

I am assuming that the indoor coil is downstream of the furnace and most likely on top of it. In that case, yes, this will be very hard on the compressor. The idea of a heat pump is to bring...

I have one that has been installed in my around 800 sq ft unfinished basement for the past two years. It is the GE, but I have no idea as to whether or not it is made in the US. The basement is...