HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
ARUF24B14BB replaced previous unit about 2 years ago. Trane
ARUF24B14BB replaced previous unit about 2 years ago. Trane t-stat reused. But I want to rplace it, BAYSTAT240A 3AAT82B1B1 with a Honeywell RTHL221B. Or another programmable if this won't work. Matche… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,928 satisfied customers
I'm replacing an old T874R mercury thermostat with a Digital
I'm replacing an old T874R mercury thermostat with a Digital Honeywell RTHL2310/RTHL221 series and don't know which colored wires to attach to which terminals after taking the old one off. I have an o… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
Old thermostat: TH6220D New thermostat: RTH6350D On
Old thermostat: TH6220D New thermostat: RTH6350D On the old thermostat, there is a black wire in E and a white wire in AUX. The new thermostat says put both wires in the single screw marked E/AUX . I … read more
airheatman
airheatman
HVAC Technician
9,869 satisfied customers
I have a TH4210D thermostat and cant get it to perform properly.
I have a TH4210D thermostat and can't get it to perform properly. Can you give me the typical color code for wires connected at the thermostat?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,928 satisfied customers
I am replacing my Honeywell T8411R thermostat with a programmable
I am replacing my Honeywell T8411R thermostat with a programmable Honeywell RTH7500. Based on the six wires I have, the manual says I should contact a qualified contractor. So, here is what is connect… read more
airheatman
airheatman
HVAC Technician
9,869 satisfied customers
just had a new heat pump/air handler with heat strip installed,
just had a new heat pump/air handler with heat strip installed, model is Rheem. the wiring on air handler to thermostat wiring is wh/bl - bl (w2), wh/bk - wh (w1), brown to brown (c), gr/bk - gr (g), … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,928 satisfied customers
Greetings. I am working on installing a new Honeywell Visionpro
Greetings. I am working on installing a new Honeywell Visionpro 8000 with a wired outdoor temp sensor on a Goodman heat pump replacing the non-programmable Robertshaw thermostat. The question I have i… read more
Comfort Specialist
Comfort Specialist
Mechanical Designer & Estimator
Vocational, Technical or Trade School
1,368 satisfied customers
I have a Honeywell RTH7500 series thermostat that is connected
I have a Honeywell RTH7500 series thermostat that is connected to a goodman A30-15 air handler with Emergency heat relay and heat pump. Do I need a jumper between E and W2 terminal block thermostat (w… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I live in northern Virginia and I have a Ruud heat pump. Ive
I live in northern Virginia and I have a Ruud heat pump. I've had a tech at my house 5 times in the past two weeks because the temperature on the thermostat matches the setting on the thermostat setti… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
Problem; I have a trane heat pump system. Model # XXXXX
Problem; I have a trane heat pump system. Model # XXXXX with auxilliary/backup. Previously I had a honeywell thermostat, I Guess T8011R 1014 (2).this is all I find on it. I fell and hit this and every… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,366 satisfied customers
I am installing a Honeywell RTH7500D thermostat. The existing
I am installing a Honeywell RTH7500D thermostat. The existing Trane thermostat wiring does not match up with the wiring of the Honeywell. The trane has the following terminals with the corresponding w… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,366 satisfied customers
How to wire a Ruud heat pump to a Honeywell thermostat?
I am wiring a new Ruud Heatpump to a Honeywell RTH3100C thermostat. The Ruud has the following: Connector - Color coming out of HP Y - Yellow B - Blue C - Brown R - Red D - Purple The Honeywell RTH310… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Need wiring assistance for AEPF 313716AA to SSZ160241AD Heat
Need wiring assistance for AEPF 313716AA to SSZ160241AD Heat Pump and Honeywell TH8000 Thermostat… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a 13 year old HP25 heat pump with Elite air handler.
I have a 13 year old HP25 heat pump with Elite air handler. I realized last week that my heat pump does not run in heating mode. Only the resistance heat works. The air conditioning function works jus… read more
Wes
Wes
HVAC Technician
Associate Degree
115 satisfied customers
Good Afternoon I am upgrading from an old Honeywell T841A1068
Good Afternoon I am upgrading from an old Honeywell T841A1068 thermostat, to a Honeywell TH3210D. The terminals for the T841A1068 are B, W, F, X2, G, Y, R, O, T * only the W and F terminals did not ha… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Rheem Heatpump / Air Handeler Models RPLB-048JAZ/RBHC-21J11NFG.
I have a Rheem Heatpump / Air Handeler Models RPLB-048JAZ/RBHC-21J11NFG. The thermostat is a ICM SC2210. The problem is that the thermostat works on AC but never shuts off on heat. There was work rece… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Goodman heat pump CPLT42-1 3.5 ton heat pump and a
I have a Goodman heat pump CPLT42-1 3.5 ton heat pump and a Goodman air handler AER48-1 variable speed with aux elect heat. I am currently using a Honeywell T841A thermostat. I would like to change th… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
Im replacing my Carrier programmable thermostat with a new
I'm replacing my Carrier programmable thermostat with a new Honeywell RTH7500 series thermostat. I have a heat pump with aux gas furnace. My problem is, I have two wires, labled S1 and S2, that dont m… read more
Rick or Nick in Texas
Rick or Nick in Texas
General Manager-Lead Tech
Own and run HVAC business 29yrs
44 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

7,791 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