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 Lennox G24M3/4 -100A - 7 - the burners light for a
I have a Lennox G24M3/4 -100A - 7 - the burners light for a short time & go out - this will happen 3 or 4 times... the diagnostics on the Sure Flame board will then have a watchdog shut down code ( bo… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,227 satisfied customers
Heat not turning on my HVAC system; cooling works fine.
I have a Lennox 80 uhg series hvac system and heat is not turning on. Thermostat shows it should be on. When I switch to cooling, it works fine. Gas flow is on. On my thermostat, it alerts when heat s… read more
Rick
Rick
Supervisor
25,553 satisfied customers
I have a Lennox G20Q3/4E-100-3 gas furnace. Recently it has
I have a Lennox G20Q3/4E-100-3 gas furnace. Recently it has been igniting burner, heating up for a very few minutes and then shuts off without the blower coming on. If I place the thermostat fan to on… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Lennox 80MGF3/4-100A-6. It seems unable to stay fired
I have a Lennox 80MGF3/4-100A-6. It seems unable to stay fired up. It lights for a few seconds at a time, then turns off. It will try to ignite up to five time without success, then shut down. It seem… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I have a Lennox G32V5 about 10 years old. No heat this morning
I have a Lennox G32V5 about 10 years old. No heat this morning so I went to check on it. Set the thermostat to call for heat. Furnace started up, induction fan started, flame started, but the fan woul… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
goodman gmpn080-4 blower does not shut off prior to ignition Old
goodman gmpn080-4 blower does not shut off prior to ignition Old circuit board has a stuck relay and will not turn off the fan upon reaching set temperature. I banged on the relay and worked for two m… read more
warmneighbor
warmneighbor
owner
Vocational, Technical or Trade Scho
162 satisfied customers
I have a 1998 Lenox HVAC model GHR26Q4/5-100-2 you helped me
I have a 1998 Lenox HVAC model GHR26Q4/5-100-2 you helped me replace the motor Saturday, the unit keeps cycling on and off when the heater comes on, do you have any suggestions? At this moment the hea… read more
Appliance Guru
Appliance Guru
18,975 satisfied customers
I have a Lennox G26Q4/5-100 furnace. Burners are not starting
I have a Lennox G26Q4/5-100 furnace. Burners are not starting at times and turn off during heat demand on other occations. If the induction blower starts on heat demand the burners will light. If the … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,227 satisfied customers
My Bryant furnace is not putting out warm air. I just went
My Bryant furnace is not putting out warm air. I just went and looked at the RED LED status light and it was blinking. After removing both panels and then replacing the top panel, the light remained o… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,298 satisfied customers
intermittent Carrier Weathermaker 9200 displays a continuous
intermittent Carrier Weathermaker 9200 displays a continuous red led light. What does this mean? How do I know if it is red light 1 or red light 2? Thanks!… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,298 satisfied customers
Hi, I have a Lennox G43UF furnace that is only intermittently
Hi, I have a Lennox G43UF furnace that is only intermittently working. It's keeping the house at around 66, with the thermostat set at 69. The LED indicator lights are alternating slowly. The cycle se… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
g-20 series Igniter lights furnace,but blower does not come
g-20 series Igniter lights furnace,but blower does not come on and flame eventually goes out. If blower is on continuos mode,Igniter will light furnace and heat will come out to thermostat setting… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I have a WeatherKing 90RJ09EJS01 furnace from 2006. Occasionally
I have a WeatherKing 90RJ09EJS01 furnace from 2006. Occasionally last fall and now again this year, it will sometimes work intermittently. The thermostat calls for heat but the furnace will not run. H… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
I have two Lennox 80MGF 4/5-100a-1 furnaces twinned with a
I have two Lennox 80MGF 4/5-100a-1 furnaces twinned with a Johnson Control Y88FB-1 twinning control. When the thermostat calls for air conditioning, the system starts including the a/c units, it shuts… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
Got a G40UH(X) - Combustion Air Inducer comes on, all power
Got a G40UH(X) - Combustion Air Inducer comes on, all power runs, fine, but ignitor does not light. You hear a click, then a quick blast of air that quickly shuts off, which I assume is the safety mec… read more
TimVZ26
TimVZ26
Service Foreman
Vocational, Technical or Trade Scho
157 satisfied customers
Hi there, I have a Carrier Weathermaker 8000. From 1994.
Hi there, I have a Carrier Weathermaker 8000. From 1994. My LED diagnostic light is blinking but I do not have an error code legend on my furnace, so I do not know what the flashes mean. Help!… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,298 satisfied customers
Nov.16, 2009 I have a Carrier Weathermaker in my home. This
Nov.16, 2009 I have a Carrier Weathermaker in my home. This morning I placed the switch to heat, and the unit started it's sequence. However, after a few minutes, it shut down and the blower never cam… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,298 satisfied customers
I have a tempstar 7000 high efficiency furnace. When the furnace
I have a tempstar 7000 high efficiency furnace. When the furnace ignites the blower won't turn on. Over the summer, I was having a problem with it not wanting to turn on and I would turn off the manua… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 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