HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I am installing a nest thermostat. it says the RH has no
i am installing a nest thermostat. it says the RH has no power. when i put back my old thermostat it works. … read more
airheatman
airheatman
HVAC Technician
9,703 satisfied customers
Connecting a NEST thermostat to a Ruud UGDG-1NAMER model
Connecting a NEST thermostat to a Ruud UGDG-1NAMER model heater. Wanting to confirm wiring on heater for thermostat is W-Heat R-Power G-Fan C- common wire … read more
Rick
Rick
Supervisor
24,889 satisfied customers
I connected the red and black wires in the center lugs and
I connected the red and black wires in the center lugs and tested thermostat wire for 24 vac and nothing… read more
Bill
Bill
Service Mgr
114 satisfied customers
I installed 3rd gene nest a/c panel, since i installed the
no, i followed the instructions online, i installed the wires, only issue is Rh or RC isnt picking up power… read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,988 satisfied customers
I am having a similar issue with my Nest. I have a "No power
I am having a similar issue with my Nest. I have a "No power to Rh wire" error message showing. … read more
Appliance Guru
Appliance Guru
18,636 satisfied customers
I have an argo arm-4p, and am trying to switch one of my
i have an argo arm-4p, and am trying to switch one of my zones to a nest thermostat … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have a trane heat pump with an old trane thermostat. I'm
I have a trane heat pump with an old trane thermostat. I'm wiring in my nest but my black wire was in x2 on old. I don't have an x2 on nest … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I am trying to install a nest thermostat. I had a trane
I am trying to install a nest thermostat. I had a trane xt302b. I have r , w1 , b, y1 and a g wire. Is the b wire a common wire? … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I think I may have a bad nest out of the box. They are
I think I may have a bad nest out of the box. They are sending me a new one after going through hours of support. But maybe you guys will know something more. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have a heater two wires green & blue, the blue is the
I have a heater two wires green & blue, the blue is the power source , green well I would image control turning on or off the gas heater when commanded. I bought a zwave trane thermostats and at havin… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I am installing a Nest to a honeywell termostat... orange
I am installing a Nest to a honeywell termostat... orange was listed as W and then the honeywell had white and black wires into the W2 position … read more
airheatman
airheatman
HVAC Technician
9,703 satisfied customers
I need to setup a simulator to operate a thermostat. What
I need to setup a simulator to operate a thermostat. What parts do I need? Transformer? and ?… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
We have a nordyne model 903211 also listed is: Migh 090A
We have a nordyne model 903211 also listed is: Migh 090A BW We have a wiring problem. The compressor stays on all of the time. To get air, we have to turn the furnace fan on manually, it stays on unti… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,867 satisfied customers
I have a Trane heat pump and i want to install a Nest to the
I have a Trane heat pump and i want to install a Nest to the unit - current unit doesn't have a remote thermostat… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
Why can't we get this 3 ton York air handler board to communicant prop
Why can't we get this 3 ton York air handler board to communicant properly with a new 3 ton lennox heat pump/ac condenser board. when we call for ac we get heat mode.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,867 satisfied customers
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
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Hey, I have a new home with an A/C Heat Pump system that was
Hey, I have a new home with an A/C Heat Pump system that was installed. A service tech came by and setup the wiring for the Nest just yesterday for me. He mentioned the Nest requiring 24V for both the… read more
airheatman
airheatman
HVAC Technician
9,703 satisfied customers
I am having issues with installing the Nest G1 thermostat on
I am having issues with installing the Nest G1 thermostat on a two wire system. I have a Burnham PV83ST-HBUR boiler for a steam system made in 2001 with a Beckett RWB burner. I've tested the wires com… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Phil

Phil

Mechanical Engineer

7,791 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x