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My wife did not like our nest thermostat so I removed the
My wife did not like our nest thermostat so I removed the nest thermostat and installed a single stage non programmable thermostat. The nest had a black wire connected to the c connection. The new the… read more
airheatman
airheatman
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I have a wiring question at the furnace, No, the problem is
No, the problem is that thermostat no longer works, and when I looked at the wiring it seems odd. … read more
BillyHvac
BillyHvac
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I got an e24 error code on my nest thermostat. No power to
I got an e24 error code on my nest thermostat. No power to the rh wire. I took panels off of my furnace to locate any type of fuse but no luck. I don't even see the circuit board. Furnace is old too … read more
Regan Land
Regan Land
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I am trying to install a NEST 3rd generation. On the old
Hello, I am trying to install a NEST 3rd generation. On the old thermostat, the wiring is Red -> Rc, W -> White, Yellow -> Y1, and Green -> G. There is an extra blue wiring and I checked m… read more
airheatman
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I have a white rogers digitalcomfort set II thermostat and a
I have a white rogers digitalcomfort set II thermostat and a red and white cable attached. Red to RH andWhite To W screws … read more
Brian HVAC Guy
Brian HVAC Guy
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I am having a voltage issue since hvac guy added a C-wire
Hi I am having a voltage issue since hvac guy added a C-wire from AC … read more
BillyHvac
BillyHvac
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I have a 3-ton model ESP-D Spacepak in a vintage condo.
Hi. I have a 3-ton model ESP-D Spacepak in a vintage condo. Heating is provided via steam heat and is controlled universally by the building. The thermostat is used for cooling only and I have a Nest … read more
Appliance Guru
Appliance Guru
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I have a Trane XR15 and a Nest learning thermostat - dual fuel
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Comfort Specialist
Comfort Specialist
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Keep getting a message on my thermostat that one of the thermostats
Keep getting a message on my thermostat that one of the thermostats to my furnaces is not getting power via the RC connection. Thought there might have been a broken wire so I strung new wire to the t… read more
Phil
Phil
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Degree, Mech Engr Technology
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Need assistance with a couple wires and a config option on
Need assistance with a couple wires and a config option on honeywell HZ322 zone controller… read more
BillyHvac
BillyHvac
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I have a bryant 912sa with error 24. I installed nest a few
I have a bryant 912sa with error 24. I installed nest a few weeks ago. I think yesterday the ac tried to kick on (first time since nest installed) and I got an e24 nest error. Now nest is dead. So I n… read more
Phil
Phil
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I have a Rheem Criterion unit about 11 years old. Its been
I have a Rheem Criterion unit about 11 years old. It's been having a "short cycle" for a couple of month which means the heat will turn on for a few minutes then shuts off without reaching the desired… read more
airheatman
airheatman
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Im trying to get my NEST to work with a Carrier 58stx07 model
Im trying to get my NEST to work with a Carrier 58stx07 model A/C. My NEST is discharging and I cant figure out why. My NEST shows im getting VOC 36.57, VIN 36.57 LIN 100ma. Yet the device is constant… read more
Appliance Guru
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Nest thermostat troubleshooting- No air conditioning.
I recently changed my 2 zoned home to 2 nest thermostats. For the past two months the heat has been working fine, however, now that I need A/C it is still pumping out hot air. I've felt the insulated … read more
gotoman for ac
gotoman for ac
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I have Carrier 58BV125 gas furnace. Over summer replaced
I have Carrier 58BV125 gas furnace. Over summer replaced mercury thermostat with Nest 2.0. A/C works fine. But heater does not. I have 5 wires Y1, W1, Red, G, C. Nest had me remove C (blue) and A/C wo… read more
BillyHvac
BillyHvac
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this is great that I found this site online. My friend works
this is great that I found this site online. My friend works for honeywell - but in space related stuff, not thermostats. Okay - So I love gadgets. I bought the Nest1. I took off my (honeywell, of cou… read more
warmneighbor
warmneighbor
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I bought a NEST thermostat. My old thermostat has the following
I bought a NEST thermostat. My old thermostat has the following wires: Rc, G, O, Y and jumper cables from Rc to Rh and from Y to W. It has both cooling and heating. Now that I connected the Nest therm… read more
SWFLHVAC
SWFLHVAC
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upgrading to a programable thermostat. The white, yellow and
upgrading to a programable thermostat. The white, yellow and green wires easily placed. I have a blue and a red wire left and the directions call for placing these in the RH and RC terminals. There is… read more
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Meet the Experts:

Phil

Phil

Mechanical Engineer

7,634 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,024 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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