HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
I have a carrier infinity system and want to replace it with
Second opinion] I have a carrier infinity system and want to replace it with Nest.I just rewired abcd terminals in furnace wires as follow:Red to r white to w yellow to y/y2 green to gAfter that the A… read more
Cliff
Cliff
HVAC Manager
Associate of Applied Science
378 satisfied customers
Can a honeywell RTH6360 thermostat be used to control a
can a honeywell RTH6360 thermostat be used to control a carrier infinity furnace? … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,422 satisfied customers
Trying to replace a Evolution thermostat on a 355MAV gas
trying to replace a Bryant Evolution thermostat on a 355MAV gas furnace, keep blowing the 3amp fuse… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
I have a honeywell thermostat that I am trying to replace with
I have a honeywell thermostat that I am trying to replace with a Nest thermostat. When I took the Honeywell off the wall I do not have labeled wires. I have Red screwed into 1, white into 2, blue into… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,422 satisfied customers
I have an carrier condensor unit outside model # XXXXX
I have an carrier condensor unit outside model # XXXXX 2 wire from that (picking up a relay,brown/yellow & a blue/yellow wire) to a AC unit inside model #59sp5a040e14110 using a carrier t stat pt# XXX… read more
V12Tech
V12Tech
252 satisfied customers
I need a Hunter thermostat wiring diagram. I am trying to install it
I'm trying to install a Hunter thermostat, Model 44155C. I have 5 wires coming out of the wall and do not know how they hook up.… read more
jrloar
jrloar
Master HVAC Tech.
Associate Degree
220 satisfied customers
I have just replaced an old mercury Honeywell analog thermostat
I have just replaced an old mercury Honeywell analog thermostat with a digital programmable thermostat from Lux Products (Ace) ATX500E. I followed the instructions but it is not working so I guess the… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,117 satisfied customers
I have a Carrier Performance Series TP-PHP Thermostat wired
I have a Carrier Performance Series TP-PHP Thermostat wired as follows: Wire Color - Terminal Blue - OAT Brown - SRTN Red - Rh White - W/W1 Green - G Yellow - Y/Y2 Black - C Orange - O/W2/B I want to … read more
servtech50
servtech50
HVAC/R service tech
296 satisfied customers
I Have new White Rodgers Emerson programmable IF95 1280 thermostat
I Have new White Rodgers Emerson programmable IF95 1280 thermostat hooked up. The air conditioner worked before and now doesn't. any suggestions with the hookup? Thanks. Milt Chavez XXX-XXX-XXXX… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
My old thermostat has w o g r c y terminals a blue wire was
My old thermostat has w o g r c y terminals a blue wire was hooked to the c terminal, nothing to the o the rest same color as terminal. My new programable one ( Honeywell RTH230B) has Rh Rc W Y G. My … read more
ClimateCreator
ClimateCreator
Service Manager
49 satisfied customers
Replacing my old thermostat with a Hunter 40135, on the manual
Replacing my old thermostat with a Hunter 40135, on the manual it says to connect Y, G, W and RC and RH. Well that's 5 wires and the wall only has 4 and there is no Green wire, it is Blue. As the whol… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
installing a rth230b thermostate.please advise color wire that
installing a rth230b thermostate.please advise color wire that goes on rh,color wire that goes on rc,color wire that goes on w,color wire that goes on y,color wiere that goes on g. installing a rth230… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,422 satisfied customers
I am trying to wire a Hunter 4486 to a single stage heat pump.
I am trying to wire a Hunter 4486 to a single stage heat pump. The current thermostat is a Trane Baystat 239 with the following. B Blue W White R Red T tan/brown Y yellow G Green O Orange X2 Black I c… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,117 satisfied customers
I am replacing a Honeywell Chronotherm III with a VisionPro
I am replacing a Honeywell Chronotherm III with a VisionPro TH8000. THe wiring to the old thermostat has White, Green, Red, Blue and Yellow wires. Where do I map them to on the TH8000? Thanks… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
Bought Set & save Hunter thermostat # 44260 to replace a Trane
Bought Set & save Hunter thermostat # XXXXX to replace a Trane (unknown #) Heat/Air condition. Wiring terminals are wire color Trane terminal Hunter terminal green G G (?) yellow Y Y/O or Y1 (?) white… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
I have a Carrier TSTATCCNAC01-C Thermostat Im trying to replace
I have a Carrier TSTATCCNAC01-C Thermostat I'm trying to replace with a Hunter 44110 programable thermostat. There are 8 wire coming out of the wall (Red, Yellow, Green, Blue, Brown, White, Orange, an… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
A worker disconnected the programmable thermostat and now I
A worker disconnected the programmable thermostat and now I am trying to connect it back up. I have four colored wires and don't know where they go.… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,689 satisfied customers
I am attemping to install a new thermostat however the wiring
I am attemping to install a new thermostat however the wiring colors dont match up the same. is there a guide… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 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