HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
We installed a new Honeywell thermostat and when we turn it
we installed a new Honeywell thermostat and when we turn it on it blows cool for a min. then goes to heat. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
Old thermostat 3 wires heat only. Hydronic baseboard heating
Old thermostat White Roger 3 wires heat only. Hydronic baseboard heating system. Replacing it with a Honeywell RTH7600. First will this work? … read more
Rick
Rick
Supervisor
25,583 satisfied customers
I have a Honeywell, RTH7600, RET97 programmable thermostat.
I have a Honeywell, RTH7600, RET97 programmable thermostat. No problem for 2 years. Had to change to new batteries and after changing to heat and temp, nothing happens. I hear the clicking for the hea… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
My name is ***** *****. I just changed the batteries on my
My name is ***** *****. I just changed the batteries on my Honeywell 8320U thermostat. Now I can't get the heat to come on. Checked the breaker switches on the furnace and at the main breaker box for … read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
477 satisfied customers
I need a new thermostat that is compatible with a 1985 York
Hello, I need a new thermostat that is compatible with a 1985 York air handler. Model Number N2AHD06A06A. Can you recommend a Honeywell thermostat that is compatible. We have heat pumps. We replaced t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
I installed a new Honeywell RTH7600 this past winter and it
I installed a new Honeywell RTH7600 this past winter and it worked fine for heating. Now that I need the A/C the compressor does not kick on; only the fan on furnace. I have 4 colored wires - red, gre… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
Hello, I have a heat pump. I installed a Honeywell RTH7600D
Hello, I have a heat pump. I installed a Honeywell RTH7600D and the screen won't power up? I had the following wires on my old thermostat: R, O, Y, G, W, and L. I connected the R, O, Y, G, and L as be… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have a Honeywell TH8321U1006 T-stat on a ClimateMaster Tranquility
I have a Honeywell TH8321U1006 T-stat on a ClimateMaster Tranquility 27 Two Stage "Earthpure" geothermal unit. I need to replace the T-Stat because the touch pad won't function for the cooling setpoin… read more
Bryan
Bryan
Project Manager/Estimator
Vocational, Technical or Trade Scho
15 satisfied customers
Honeywell CM67 thermostat controlling underfloor heating, installed
Honeywell CM67 thermostat controlling underfloor heating, installed Dec 04. No dislpay on screen, new batteries, no change. Connected to floor sensing probe so difficult to replace with a new model… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
honeywell chronotherm III, T8611R1000 removal and replacement
honeywell chronotherm III, T8611R1000 removal and replacement with honeywell RTH7600 touchscreen. The wires on old T8611 do not correspond to new RTH7600 requirements. How do I resolve this discrepanc… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
Im replacing a Simple Comfort 2200 Thermostat with a Honeywell
I'm replacing a Simple Comfort 2200 Thermostat with a Honeywell RTH6350D. I have a Heat Pump split system with backup heat (propane). The Simple Comfort has the 24v wires installed. The wires on the e… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
I just purchased a Honeywell thermostat, installed it and I
I just purchased a Honeywell thermostat, installed it and I have no display and it won't work. Have checked batteries and circuit breaker. It is model RTH6450D… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a Lennox 10hpb series unit, back in July we were hit
I have a Lennox 10hpb series unit, back in July we were hit by lightening, not the pump just the thermostat in the house, we were told we didn't have to use a lennox thermostat but a honeywell was com… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Good evening, my name is Dennis and we are having a problem
Good evening, my name is XXXXX XXXXX we are having a problem with one of our Thermostates. We have two PROth11OD. The specific problem that just began recently is that when switched on (either heat or… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Replaced batteries in my Honeywell TH5220D thermostat and now
Replaced batteries in my Honeywell TH5220D thermostat and now i cannot get anything (heat, cooling, or fan) to come back on. Checked the breakers and everything seems to be fine there.… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I am replacing a Honeywell 3611 programable thermostat for
I am replacing a Honeywell 3611 programable thermostat for a heat pump, because the display went blank and heat not coming on. I am replacing it with a Honeywell RTH7600 programmable thermostat. When … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I tried to change my Honeywell T8411r thermostat to a RTH7500
I tried to change my Honeywell T8411r thermostat to a RTH7500 with no success. When i reconnect the wires to my old thermostat i now get no power to the display. I checked the breaker box inside and o… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Hi there..I live in Ohio..when I came home last night house
Hi there..I live in Ohio..when I came home last night house was freezing..my thermostate (Honeywell RTH111/RTH221) was displaying a screen of nonsense characters and furnace won't go on.. I tried to h… read more
Rick
Rick
Supervisor
25,583 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