HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
50A55-843 circuit board. Installed 50A55-843 circuit board
installed 50A55-843 circuit board have hi and lo voltage at board but no LED light furnace don't come on, main makes a sound when call for heat only for a second? … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
Have a Goodman GMP 100-3 LP gas furnace the fan was making a
Have a Goodman GMP 100-3 LP gas furnace the fan was making a noise and the motor was heating up so took it out cleaned it and lubed it motor runs fin, put everything back together didn't have to remov… read more
Bill
Bill
Service Mgr
121 satisfied customers
I, I installed a furnace control Board part # 62-24084-82.
I, I installed a furnace control Board part # 62-24084-82. It cycled once and will will not cycle again. all the controls are ok after checking them. any Ideas? … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
I have a York Diamond 80 furnace, part P4hub16n08001a, that
I have a York Diamond 80 furnace, part P4hub16n08001a, that showed a blank (off) thermostat after a power outage yesterday. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
My Frigidaire furnace is cycling on and off, One filter,
if I can i seated the cables to the circuit board and it came on for a few seconds then turned off … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
Problem … 14 years old - Goodman GMPN Multi-Positional Gas
Problem … 14 years old - Goodman GMPN Multi-Positional Gas Furnace Dependable 92 (GMPN100-4) Starting furnace sequence - Red LED indicator is STEADY - Inducer running great - Igniter glowing hot (20 s… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
I have a Rheem RRKA-A042 that is not heating. The IC board
Hi, I have a Rheem RRKA-A042 that is not heating. The IC board on the unit is flashing 2 times. The inducer motor is a 208-230V unit, but - as best as I can tell with my VOMeter - the circuit board is… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
My luxaire G9T doesnt start,diagnostic light doesnt blink at
My luxaire G9T doesnt start,diagnostic light doesnt blink at all, no burner fan starts or igniter… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,061 satisfied customers
I'm looking troubleshooting information on a furnace,
I'm looking for some troubleshooting information on a furnace, red light will not come on. I have power coming to the board, checked reset switch, and fuse… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Lennox g5ouh 4 years old. Whe t stat is off diagnostic lights
Lennox g5ouh 4 years old. Whe t stat is off diagnostic lights are in normal mode,when t stat to heat mode. Diagnostic lights both go off,,furnace will not light..fan blower works when switched to on..… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
I have a 10 year old coleman furnace dgaa.....model. Last
I have a 10 year old coleman furnace dgaa.....model. Last year it would glow, ignite, and then after 6 seconds go out. I replaced the upper limit switch, pressure switch, control board, flame sensor a… read more
V12Tech
V12Tech
252 satisfied customers
I have a lennox G1603/4-100-3. Pilot light comes on just fine
I have a lennox G1603/4-100-3. Pilot light comes on just fine but burners will only go for a few seconds and then shut down - will continue to do this cycle. I have replaced the flame sensor but this … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
have coleman (york) 92% gas furnace . no power from ( w/r ),
have coleman (york) 92% gas furnace . no power from ( w/r ), 50a50-241 when stat is set to heat , works fine on cooling. red incicator light on 50a50 flashes once when energized , coleman manual says … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,428 satisfied customers
Have have a Trane XL1000. The control unit is a White Rodgers
Have have a Trane XL1000. The control unit is a White Rodgers 50A50-571. Two days ago I decided to pull the fan out and clean. It appeared to be a simple job. Just disconnected 3 wires, removed a coup… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
Carrier 8000 fan wont shut off. When power is turned back
Carrier 8000 fan won't shut off. When power is turned back on the fan starts and there are no ignition attempts. Blowing cold air. Light flashes continuously green.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
I have a Carrier furnace the furnace will not kick on. I have
I have a Carrier furnace the furnace will not kick on. I have replacd the circuit board and nothing. If you pull the 3amp fuse out then the fan will kick on. But the furnace will not ignite or run. Wh… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
Question on a Carrier Weathermaker 8000 gas furnace. I replaced
Question on a Carrier Weathermaker 8000 gas furnace. I replaced the air filter and now the thermostat is blank. I followed the instructions on the front of the unit to turn off the power to the unit, … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 satisfied customers
main blower runs constantly,no power at stat,checked across
main blower runs constantly,no power at stat,checked across r-g,no power,replaced stat,no change gas hot air,century reclaimer 90 furnace… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,386 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