HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
Attempting to replace my downstairs (main level) thermostat
Attempting to replace my downstairs (main level) thermostat with a Nest. I have wires on O&B but do not have a heat pump. Cannot find anywhere that this scenario would be possible. I do have a humidif… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,220 satisfied customers
My name is. My AC stopped working today. The Honeywell
hello. My name is jeff. My AC stopped working today. The Honeywell Chorno III thermostat reads -AC. I checked the circuit break/reset, I have a dual zone home, and swapped the thermostat that reads -A… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,220 satisfied customers
Have a Honeywell hz311. When the top floor thermostat calls
Have a Honeywell hz311. When the top floor thermostat calls for AC, only the fan comes on, not the compressor. The first floor thermostat works correctly and will have both the fan and compressor come… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I have a Trane XE 800 Air Conditioner (approx 15 years old.)
I have a Trane XE 800 Air Conditioner (approx 15 years old.) About 10 days ago it stopped running. The copper tubing leading into the house is not cool or forming condensation. It appears that the uni… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I currently have a Honeywell Chronotherm IVE Plus T8601D running
I currently have a Honeywell Chronotherm I'VE Plus T8601D running a standard single stage gas heat furnace with a standard cooling condenser. The unit controls the main floor with the 2 other floors r… read more
gmac2905
gmac2905
hvac tech
Vocational, Technical or Trade Scho
39 satisfied customers
Honeywell RTH221B1021 thermostat has no heat/air flow
I have a two story home with one furnace (an older Trane XE80) and two zones: main floor and lower level. The existing thermostats were old and could not be programmed so I replaced them. Honeywell te… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I just replaced my programmable thermostats with Honeywell
I just replaced my programmable thermostats with Honeywell RTH6350 Programmable Thermostats. The Air Con worked perfectly but the heaters (three thermostats on three different HVAC units) do not turn … read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,220 satisfied customers
The central heating for my new home heats up the upstairs rooms
The central heating for my new home heats up the upstairs rooms like a furnace, and the downstairs room are like a freezer, the thermostat seems to read the first floor temperature as 54 degrees and t… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I tried to replace a Trane manual thermostat wtih a Honeywell
I tried to replace a Trane manual thermostat wtih a Honeywell 2310 programmable thermostat following the instructions of the Honeywell service representation: Red wire to Rh Green wire to G White wire… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I have a honeywell programmable thermostat in two floors of
I have a honeywell programmable thermostat in two floors of my home - main floor and bedroom floor to allow for zoned controlled heat. The main floor thermostat is working, however the upstairs thermo… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Im looking to upgrade thermostats -- thats plural -- in an
I'm looking to upgrade thermostats -- that's plural -- in an older house that we've bought in Asheville, NC. The house was upgraded in 2002 by the previous owner with: 1. Serving the main (1st) floor,… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a question about my air conditioner. We have a 2 story
I have a question about my air conditioner. We have a 2 story house and the upstairs got very hot today. The unit is running and it blows air. The thermostat is set on 78 and shows 92. What could be w… read more
freon
freon
Owner
High School or GED
214 satisfied customers
I have two 3 ton units in my house, XR12 mod 2TWR2030B100AA.
I have two 3 ton units in my house, XR12 mod 2TWR2030B100AA. One of the compressor/condensor units will not start. When the thermostat is set to cool it just hums. Sounds like the compressor but I don… read more
TimVZ26
TimVZ26
Service Foreman
Vocational, Technical or Trade Scho
157 satisfied customers
Hello, I bought a Honeywell programmable thermostat(5-2
Hello, I bought a Honeywell programmable thermostat(5-2 day). There is one thermostat in the house. I have knob tube wiring. I hooked up the white wire with the "w" and the black (hot) wire to the "r"… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a Trane 10000 outside and an indoor furnace connected
I have a Trane 10000 outside and an indoor furnace connected to it, I believe just for distribution of heat/cold through underhouse ducts. There are no controls on furnace, just a breaker. Thermostat … read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,220 satisfied customers
Honeywell RTH7400D Programmable Thermostat Display indicates
Honeywell RTH7400D Programmable Thermostat Display indicates system Cool set temperature lower then house temp....fan auto.... "Cool on" is Displayed under Temp setting Problem: cooling system does no… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
I have Honeywell stat, new system (~3yo) Ambient temp reads
I have Honeywell stat, new system (~3yo) Ambient temp reads higher than whait it is, as room cools, ambient incr. AC runs all the time. Circuit board issue? How do I get it off the wall?… read more
Francis
Francis
shop owner
Bachelor's Degree
1,974 satisfied customers
Hi. I have a Honeywell thermostat and it is set to cool at
Hi. I have a Honeywell thermostat and it is set to cool at 75F; however, the A/C did not turn on at all. THe thermostat shows that it is cooling though.....any tips?… read more
Francis
Francis
shop owner
Bachelor's Degree
1,974 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