HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
Installed Honeywell lyric t6 pro on train system hooked up
Installed Honeywell lyric t6 pro on train system hooked up blue common wire however the thermostat works fine till it calls for heat then it blacks out and blows the fuse wired correctly the old therm… read more
Bill
Bill
Service Mgr
114 satisfied customers
Can i replace a Honeywell T87F 2873 thermostat with a new
Can i replace a Honeywell T87F 2873 thermostat with a new Honeywell Pro Th1100DV/ 2-wire heat only. … read more
Rick
Rick
Supervisor
24,917 satisfied customers
I have purchased and installed a Goodman MBR 1600 and HKA
I have purchased and installed a Goodman MBR 1600 and HKA 20c heater kit. To test the unit I jumped the red and green wires and wire nutted the brown and white AS PER DIAGRAM. The fan ran but the heat… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
I am trying to install a Honeywell focus pro 6000. Y
I am trying to install a Honeywell focus pro 6000. Y existiu … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have an old honeywell two wire programmable thermostat
I have an old honeywell two wire programmable thermostat that I would like to replace with another honeywell thermostat RTHL2310 RTHL221 ....can I do this with only the two wires? Marie … read more
Rick
Rick
Supervisor
24,917 satisfied customers
JUST INSTALLED HONEYWELL THERMOSTAT RTH3100C. AC WILL NOT
JUST INSTALLED HONEYWELL THERMOSTAT RTH3100C. AC WILL NOT COME ON. THE WIRING IS, Y R G AND W. DOES THE W WIRE GO INTO THE AUX? … read more
airheatman
airheatman
HVAC Technician
6 years college
9,703 satisfied customers
Trying to wire a new t stat pro 3000 on an old train that
Trying to wire a new t stat pro 3000 on an old train that only uses org yellow red green and white low voltage wires … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
We have a Janitrol air conditioner: Model A48-00 Serial
Hi, We have a Janitrol air conditioner: Model A48-00 Serial Number###-##-#### The unit is working but we would like to replace our thermostat with something that we can set remotely or a programmable … read more
Appliance Guru
Appliance Guru
18,649 satisfied customers
I have an old thermostat with the these wires B20xrygE It
I have an old thermostat with the these wires B20xrygE It uses B=blue 2=White 0=Orange X=black R=Red Y=yellow G= Green and E is empty The letters on the new Honeywell one are BOGYWnot uses and Jumpere… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have a Boiler baseboard hot water heating system with old
I have a Boiler baseboard hot water heating system with old 2 wire ( red and white ) Honeywell thermostats. I want to upgrade the thermostats and have purchased Prom3000 series. The pro 3000 has multi… read more
Rick
Rick
Supervisor
24,917 satisfied customers
Im replacing an old Honeywell (25yrs) thermostat with a Honeywell
I'm replacing an old Honeywell (25yrs) thermostat with a Honeywell RTH6450. I'm confused about the new wiring diagram. The old wiring is as follows: Green wire to "C" - Red wire to "R" - Blue wire to … read more
airheatman
airheatman
HVAC Technician
6 years college
9,703 satisfied customers
Is there a digital thermostat I can use with Model No. BHEA42T002B
Is there a digital thermostat I can use with Model No. BHEA42T002B Heat Pump. It has a two stage heat cycle plus emergency heat.… read more
airheatman
airheatman
HVAC Technician
6 years college
9,703 satisfied customers
I would like to update my heil (model # haxcoo4tw01, 2 stage
I would like to update my heil (model # XXXXX 2 stage heat & 1 cool) thermostat to a honeywell digital RTH3100C thermostat, but the wiring colors don't match. What do you suggest?… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I am switching out thermostats from a mercury White Rodgers
I am switching out thermostats from a mercury White Rodgers to a Honeywell pro 3000. After installation everything seems to be in order and after temp. setting is achieved, furnace fails to shut down.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
Hi, I just purchased a Honeywell RTH2300. When starting to
Hi, I just purchased a Honeywell RTH2300. When starting to install, I noticed my old Braeburn 3000 had he R RH & RC terminal. The book says I cannot use the Honeywell (page 6). Is there any way to use… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
i need correct wiring for a thermostat i am installing.i have
i need correct wiring for a thermostat i am installing.i have a trane xe1200,and i am replacing original weathertron thermostat with a honeywell pro 3000,model th3210d,2 heat/1 cool.i have been online… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I need help wiring a Honeywell Pro 3000 to a Goodman package
I need help wiring a Honeywell Pro 3000 to a Goodman package unit GPH133OH21, Heatpump Terminal wires in the control box reads/(Wiring Instructions) - red=R(24v), green=G9fan),Orange=O (Rev. Valve), W… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
when wiring the pro3000 replacing a round honeywell thermostat,
when wiring the pro3000 replacing a round honeywell thermostat, all wiresare conected according to the diagram the furnace doesnot kick on… read more
Josh
Josh
Service Technician
High School or GED
30 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