HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
Can i wire trane baystat239A to nest thermostat. Only
X2 - Black O - Orange G - Green Y - Yellow T - Tan (Brown) R - Red W - White U - No Conn. F - No Conn. B - Blue these is what is see on current therostat… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I have 2 - T8411R 1028 (2) thermostats. Yesterday my husband
I have 2 - T8411R 1028 (2) thermostats. Yesterday my husband tried to install a Nest in its place. When he did and it didnt work, he found out, on line, that the Nest I bought is not compatible with t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I have installed a new Nest e Thermostat, replacing an old
I have installed a new Nest e Thermostat, replacing an old Honeywell thermostat. The Nest says I have no power to the R wire. I did turn off power to the furnace while installing the Nest. I have an o… read more
Appliance Guru
Appliance Guru
18,987 satisfied customers
The 3 amp fuse on my air handler for my air conditioner
The 3 amp fuse on my air handler for my air conditioner keeps blowing and my thermostat says there is no power to the wires.… read more
James Inch
James Inch
Pool Plant Operator
85 satisfied customers
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
HVAC Technician
Vocational, Technical or Trade Scho
768 satisfied customers
I was installing a Nest thermostat yesterday, with the A/C
I was installing a Nest thermostat yesterday, with the A/C breaker turned off. When I turned the breaker back on, every thermostat in my house is now registering that I don't have power to the Rc wire… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Have Honeywell, low voltage, 7 day programmable thermostat
Have Honeywell, low voltage, 7 day programmable thermostat from 2006. Attempting to replace with Nest wifi thermostat. Have three wires coming from the wall. One is red/white, 2 is white and three is … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I was trying to install NEST thermostat and later NEST told
I was trying to install NEST thermostat and later NEST told me the R wire is no power. So I check the furnace control and found the fuse is broken. I replace it but it is still no power. Is there a sw… read more
D.E. Anderson
D.E. Anderson
Industrial Refrigeration Service Manager
200 satisfied customers
I have a Trane xv 95 and a Trane xv ac I just switched to a
Hi I have a Trane xv 95 and a Trane xv ac I just switched to a Nest thermostat and it was working now I have no ac or heat… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
474 satisfied customers
I'm trying to install a Nest v3 Thermostat but I'm only
I'm trying to install a Nest v3 Thermostat but I'm only getting 1.5v VOC and VIN. My research suggests maybe I have a blown fuse but my old thermostat was working fine. My furnace is a ***** ***** 310… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
I was changing my thermostat and did not turn the circuit
Customer: I was changing my thermostat and did not turn the circuit breaker off, I do not show power now when I connected the thermostat back. The circuit breaker is on. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,241 satisfied customers
My breaker was tripped to my rooftop unit. Now it won't come
My breaker was tripped to my rooftop unit. Now it won't come back on. Can I temporarily shut off the main power switch to my building, then turn it back on? Would that reset the breaker so I can then … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
New Carrier Air Handler shuts off completely intermittently.
New Carrier Air Handler shuts off completely intermittently. Will only go back on after 30 mins and power reset from the breaker box. Have checked all usual fixes, compressor is fully charged, circuit… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,241 satisfied customers
I replaced the thermostat to my unit that is only 4 years old
I replaced the thermostat to my unit that is only 4 years old with a smart thermostate. Noticed that that the power shuts off after the ac runs for a little bit and the thermostat says there is no pow… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I just installed a Nest and it isnt getting power through
I just installed a Nest and it isn't getting power through the RH wire. We had turned the power of the heating/cooling off at the circuit breaker while installing. After turning back on: no power. We … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,241 satisfied customers
Hey Billy, I googled my Nest Problem and I saw that you were
Hey Billy, I googled my Nest Problem and I saw that you were able to fix a similar issue before. I have a Nest that I used in my previous apartment and worked just fine. My AC worked fine in my new pl… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
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
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Rheem 90RJ04EES01 installed 9/2006 Installed NEst thermostat
Rheem 90RJ04EES01 installed 9/2006 Installed NEst thermostat w/o turning off power May have shorted termostat wires now nothing on furnace/ac works Changed circuit board 62-24268-03 No breakers trippe… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 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

7,634 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

< 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