HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have the Honeywell RTH2410B thermostat and I have Blue,,
Second opinion] Hi I have the Honeywell RTH2410B thermostat and I have Blue, Green, Yellow and 1 red wire. Do I hook up all three of them? I did and my compressor is not turning on.… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
Split air unit outside. Not working. Tech replaced a trip
Split air unit outside. Not working. Tech replaced a trip switch in the outside unit. He says my nest thermostat is bad because when it calls for cooling, only the fan comes on. All test on the nest a… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
We have a Gibson Central Air unit: GB5BM-T25K-A-10. After
We have a Gibson Central Air unit: GB5BM-T25K-A-10. After not having it on all winter, I turned it on and nothing happened. I noticed the battery light flashing in the thermostat and so I replaced the… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
The power went out in my neighborhood an hour last night.
The power went out in my neighborhood for about an hour last night. When it came back on, my Lennox iComfort touchscreen thermostat did not reboot. It's just a blank screen.… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I just installed a Honeywell RTH2410 thermostat and my system runs 2 or 3 minute
I just installed a Honeywell RTH2410 thermostat and my system runs for about 2 or 3 minutes and then trips the breaker. This happens for both cooling and heating. It is a gas furnace. Thanks for your … read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
We just installed this Honeywell CT87N and can only get hot
We just installed this Honeywell CT87N and can only get hot air. We installed the wires the exact way we pulled out of old one and now nothing works...??… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I am replacing a Robertshaw 9520 with a Honeywell RTHL3550.
I am replacing a Robertshaw 9520 with a Honeywell RTHL3550. We are pretty sure we have all the wires in the correct spots but the compressor is not coming on. The fan comes on and runs fine. This is a… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Replacing thermostat with RTH 6350. Old thermostat label was:
Replacing thermostat with RTH 6350. Old thermostat label was: W- blue/brown wire together O- orange G- Green R- Red C- white Y- yellow Here's how I have the new labeling: Aux/E- Blue/Brown together G-… read more
HVAC Guru
HVAC Guru
HVAC TECH
18,949 satisfied customers
We came home last night to find our air off and the thermostat
We came home last night to find our air off and the thermostat blank. Replaced the batteries and the air won't turn on at all. The thermostat clicks as though it is trying to turn the ac on, but nothi… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
We have a Robertshaw 9520 thermostat. Got home work today
We have a Robertshaw 9520 thermostat. Got home work today and the house was cold. I checked and the thermostat was blank. It's the kind with no batteries so just to see if it the heat pump was working… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have a Carrier central AC system with Inifnity thermostat.
I have a Carrier central AC system with Inifnity thermostat. The thermostat screen went dark overnight and the AC is off. Pressing the "Off" button doesn't bring it back on. I don't see any breakers t… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
Yesterday I went and bought a hunter programmable thermostat,
Yesterday I went and bought a hunter programmable thermostat, model #44377. When I left to get it my daughters boyfriend thought he would be useful and disconnected the old thermostat. Now I'm not rea… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
we have a honeywell T8411R 1002 (2) thermostat and we tried
we have a honeywell T8411R 1002 (2) thermostat and we tried to turn on the heat but it would not turn on. when we first looked at the thermostat it was blank, we pulled it out from it's housing and pl… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
my husband just installed a new Honeywell thermostat. It is
my husband just installed a new Honeywell thermostat. It is working but the fan will not turn off. What to do? Can you help??… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
We woke up this morning and the thermostat was blank. I tried
We woke up this morning and the thermostat was blank. I tried reseting the thermostat several time until the display came up. The heat will not come on. I thought it was the thermostat so I went and b… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I am having a problem with my heat pump AC. The digital thermostat
I am having a problem with my heat pump AC. The digital thermostat went blank. I found a cut in the line running between the inside and outside unit. When I spliced it the thermostat would come on for… read more
ComfortZone
ComfortZone
Associate Degree
485 satisfied customers
when i came home last night my thermostat went blank and the
when i came home last night my thermostat went blank and the air stop working. I checked all the breakers and pulled the front off of my inside furnace. I found the E (purple) fuse was blown. I change… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Furnace working fine.........had a 75 Degree yesterday went
Furnace working fine.........had a 75 Degree yesterday went to thermostat and changed to cooling Digital Thermostat clicked twice as it does when changing over Thermostat went blank........Can't figur… read more
Robert
Robert
Associate Degree
161 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