HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
My wiring id furnace is blue-E, yellow-Y, orange-O, brown-T,
my wiring id furnace is blue-E, yellow-Y, orange-O, brown-T, red-R, black-W2, white-W1, green_G … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,394 satisfied customers
Can you help me wire this system? It's is a heat pump
Can you help me wire this system? It's is a heat pump without a fossil fuel kit. (The thermostat is supposed to replace the fossil fuel kit) Thermostat is a White Rogers/Emerson 1F85U-42NP RC-RH. O/B.… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
My old thermostat had a wiring as such o/w2 orange r red
my old thermostat had a wiring as such o/w2 orange r red y/y2 yellow g green c black w/w1 white . my new thermostat Honeywell rth3100c has e aux y g o l r b and c how do I wire it up… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,114 satisfied customers
I am wiring in a new thermostat it is a honeywell rth6450.
I am wiring in a new thermostat it is a honeywell rth6450. the system is a goodman avptc42d14ab air handler the condenser is dszc160361ae, it had the comfort net system in it but the thermostat went b… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,394 satisfied customers
. I have a Goodman heat pump model ssz14 2 ton with
Hi. I have a Goodman heat pump model ssz14 2 ton with letters r,w,y,o,c. five wires from h.p. to furnace tied at pump. r to red,w towhite,y to green,o to ornge,c to black. Furnace is a Keeprite nat. g… read more
airheatman
airheatman
HVAC Technician
6 years college
11,245 satisfied customers
I have a Bryant Thermidistat (about 10 yrs old) connected to
I have a Bryant Thermidistat (about 10 yrs old) connected to an AC/Heat Package. It was a high end Purion system with 2 stage compressor. The thermostat has failed and I would like to hook up a Honeyw… read more
jHVAC
jHVAC
102 satisfied customers
I have a RUUD Air Handler UHPL-HM4824JA and a heat pump. The
I have a RUUD Air Handler UHPL-HM4824JA and a heat pump. The wires it has wires for W1, W2, Y1, Y2, B, R, C and G. I replaced the old thermostat with a Honeywell RTH8580WF. It has connections for RC, … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,394 satisfied customers
Im having trouble replacing a Totaline P274-0200-C with a
I'm having trouble replacing a Totaline P274-0200-C with a Honeywell RTH3100C thermostat. Current wire hookups are: S1: no wire S2: no wire O/W2/B: orange R: red C: blue Y/Y2: yellow Y1: no wire G: gr… read more
airheatman
airheatman
HVAC Technician
6 years college
11,245 satisfied customers
I have a Trane wetherton thermostat #3AAT86B102 for a Trane
I have a Trane wetherton thermostat #3AAT86B102 for a Trane heat pump & cooling system. Wired as follows. B-W-R-Y-G-O-X2. How do I wire it to a Totaline Star Multi- stage wireless receiver. (Heat Cool… read more
hvac-technician
hvac-technician
Service Manager
Vocational, Technical or Trade Scho
62 satisfied customers
I have a Coleman Echlon Heat Pump HC5B/HL5B Series, a Coleman
I have a Coleman Echlon Heat Pump HC5B/HL5B Series, a Coleman Air Handler and a model 1F95-1271 White Rodgers thermostat. I'm getting an error code on the heat Pump "Y1 and W present without Y2 in two… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,111 satisfied customers
Dear Sir, I am currently trying to replace an older model
Dear Sir, I am currently trying to replace an older model HoneyWell Thermostat with a newer model HoneyWell Thermostat (RTH7600D). The old thermostat's wiring is G, C, R, L, W1, W2/E, O. The new therm… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,394 satisfied customers
I have a heat pump ac and I am trying to replace my thermostat
I have a heat pump ac and I am trying to replace my thermostat from a 2001 carrier model to a updated Hunter touch screen for heat pump. My question is the older model has a w/w1 wire connection that … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,111 satisfied customers
Hello Presently I have a heat pump furnace and Im trying
Hello XXXXX have a heat pump furnace and I'm trying to change a "Water Furnace" thermostat with a Honeywell RTH8500. Presently the Water Furnace has this configuration R Y/Y2 G C W/W1 O/W2 Y1 L The Ho… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
My old totalline thermostat has Y1, Y/Y2, G, C, W/W1 connectors.
My old totalline thermostat has Y1, Y/Y2, G, C, W/W1 connectors. How do I match them up to a honeywell with E, Aux, Y, G, O, L, R, B, C connectors.… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
Hey all...a little help I have a heat pump system in new
Hey all...a little help? I have a heat pump system in new house and trying to switch wall thermostat to programmable one so bought Honeywell RTH7500D. The wires out of wall to old thermostat are G to … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,394 satisfied customers
I have a Byrant thermostat #P271-3457.What do each one of the
I have a Byrant thermostat #P271-3457.What do each one of the color coded wires represent? [email protected]… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a Carrier 8000TS model 58TUA080-14. I just purchased
I have a Carrier 8000TS model 58TUA080-14. I just purchased a White Rodgers 1F85RF-275 thermostat to replace an older 2 wire thermo. I will be running a new 5 wire cable to the furnace but I want to b… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,394 satisfied customers
I have a carrier heat pump. I am trying to install a new RTH
I have a carrier heat pump. I am trying to install a new RTH 7500 Honeywell programmable thermostat I have separate w1 w2 wires and a separate C wire I also have brown wire that was not connected to t… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 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

8,339 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