HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
The Carrier "Touch and Go" thermostat stopped working and
The Carrier "Touch and Go" thermostat stopped working and displayed random characters. I replaced the batteries, but it took several "resets" like this before I got it to work. It used to display the … read more
Charles Anderson
Charles Anderson
HVAC
19 satisfied customers
I have a Non programmable T-Stat. It is a Honeywell RTH111B.
Pearl, I have a Non programmable T-Stat. It is a Honeywell RTH111B. We here changing batteries yearly for the last 5 years with no problems. Over the last 2 months we have went through 10 sets of batt… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,792 satisfied customers
I have a RTH7600D thermostat and am questioning it's
Good morning I have a RTH7600D thermostat and am questioning it's opperation, it seems to be running the heat pump nonstop and the emergency heat every few minutes … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I have a Sanyo split system KHS1232. There are times that I
I have a Sanyo split system KHS1232. There are times that I turn it on and it works right away, there are other times when it takes 3-4 minutes or more for it to go on. Why the variation? It was insta… read more
TheHouseDoctorJA
TheHouseDoctorJA
14 satisfied customers
Hello I have a tempstar 9000 Ultra High Effiency system in
Hello I have a tempstar 9000 Ultra High Effiency system in my home and would like to replace the old tempstar thermostat with a new Honeywell RTH7600 touch screen t-stat. I am having an issue with the… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I have a 5 year old Lennox 12HPB heat pump system. Recently,
I have a 5 year old Lennox 12HPB heat pump system. Recently, the thermostat (model 51M33) started switching from AC to heat on it's own. Thinking there may be a battery in the t-stat going dead I remo… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,792 satisfied customers
We have a Honeywell chronotherm thermastat that is currently
We have a Honeywell chronotherm thermastat that is currently registering a temperature or less than 60 degrees. We are now in the middle of a blizzard here in the midwest (Kansas City) so we do need t… read more
MagiicAir
MagiicAir
HVAC Service Supervisor
Vocational, Technical or Trade Scho
110 satisfied customers
I have a ritetemp 6010 t-stat with W, Y, G, RH with jumper
I have a ritetemp 6010 t-stat with W, Y, G, RH with jumper to RC nad I bought a Hunter 44860 to replace it because it is programmable. The Hunter 44860 has L, C, O, E, W1, B, and H on one side and Y1,… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I have an older Carrier digital t-stat, i think a 2001 model,
I have an older Carrier digital t-stat, i think a 2001 model, I cannot determine a model #, there are so many#'s on the panel, it has lost all display & function, breaker & disconnect are ok, it is a … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
have a carrier thermostat that has 6 wires 6 colors that correspond
have a carrier thermostat that has 6 wires 6 colors that correspond to the wiring diagram The hvac system has a heat pump. I was told by Honeywell to buy their th5220 The wiring seems to not correspon… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I have lennox HPX-A19-038 heat pump with an indoor electric
I have lennox HPX-A19-038 heat pump with an indoor electric backup blower coil. When the stat calls for hest the outside unit does not come on and the emergency heat designation comes on the stat. We … read more
DuWayne
DuWayne
Sales/ Service
Vocational, Technical or Trade Scho
126 satisfied customers
luxaire 8t heat pump with luxaire t-stat. over 302F outside,
luxaire 8t heat pump with luxaire t-stat. over 302F outside, but last couple days the unit is not heating to the set point - - i.e. set to 68F but cycles off before getting that high. what is likely c… read more
DuWayne
DuWayne
Sales/ Service
Vocational, Technical or Trade Scho
126 satisfied customers
I wired the RTH11b thermostat correctly, but the a/c is blowing
I wired the RTH11b thermostat correctly, but the a/c is blowing out warm air when it should be cool.… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
I have a Janitrol HPT18-60 T stat that I want to replace with
I have a Janitrol HPT18-60 T stat that I want to replace with a carrier 33CS420-01 T stat. What is the terminal E for that is on the Janitrol? I have a heat pump with emergency heat. I thought that th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I have a White-Rogers 1F80-0471. I am trying to switch from
I have a White-Rogers 1F80-0471. I am trying to switch from heat to cool. The system doesn't seem to respond. Do I need to reprogram it?… read more
HVAC DOCTOR
HVAC DOCTOR
President
Vocational, Technical or Trade Scho
74 satisfied customers
I just installed a Honeywell RTH7500 T-stat, replacing an old
I just installed a Honeywell RTH7500 T-stat, replacing an old York T-stat. I have a variable speed york air handler and a york HP compressor unit with emergency heat. The old t-stat had R (I conected … read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
i need a digital non prograable t/stat for a a/c unit with
i need a digital non prograable t/stat for a a/c unit with reversing valve for heat mode. ihave a honewell rth3100c says it is compatible with heat pump only ,but the a/c unit has no axillary heat or … read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
I have a Kenmore ph024-18 rev F HVAC unit with a janitrol HPT
I have a Kenmore ph024-18 rev F HVAC unit with a janitrol HPT 18-16 wall thermostat and want to replace it to a Honeywell RTH230B digital stat and would like to know how to conect the wires.… read more
HVAC22
HVAC22
Residential Service Team Supervisor
High School or GED
32 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

8,427 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

1,029 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.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

< 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