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 gas furnace ignites and shortly after, the flame will go
My gas furnace ignites and shortly after, the flame will go out. The furnace then repeats this cycle several times until it finally gives up and I have to reset it. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Old teledyne boiler MiniTherm JUS160PDII. Working fine for
old teledyne boiler MiniTherm JUS160PDII. Working fine for 15 years. Scheduled replacement this Spring. Tonight it stopped. I have worked on this before and have a good idea of how the system (beyond … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I changed my ignition control board now it gives me two code
I changed my ignition control board now it gives me two code the first code is system lockout or failed to detect or sustain flame … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Nordyne M1MA furnace and having issues with a
i have a Nordyne M1MA furnace and having issues with a ignition failure according to the LED flashes on the board. when the furnace turns on theit runs through it cycle the igniter turns red the gas v… read more
airheatman
airheatman
HVAC Technician
10,401 satisfied customers
We have an Intertherm Model MMHB-090ABHR-06, Serial number
We have an Intertherm Model MMHB-090ABHR-06, Serial number MMH9707-13353 that stopped working tonight. On the control module, the bottom left light (has a C by it) is flashing red. What does this mean… read more
airheatman
airheatman
HVAC Technician
10,401 satisfied customers
My gas furnace is blowing cold air, the burner unit isn't lighting.
My gas furnace is blowing cold air, the burner unit isn't lighting. Checked thermostat settings, everything is OK. All breakers are on and power is getting to the package unit. I've tried resetting th… read more
airheatman
airheatman
HVAC Technician
10,401 satisfied customers
Hello, I have a York Diamond 80 upflow furnance and it stopped
Hello, I have a York Diamond 80 upflow furnance and it stopped working today. Just 1 flash on the control board (system lockout). Few days ago it had 7 flashes (low flame sense signal). I tried to pow… read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,264 satisfied customers
Furnace in question is a TRANE XE-90. 14 years old. Thermostat
Furnace in question is a TRANE XE-90. 14 years old. Thermostat calls for heat, inducer motor comes on, hot surface igniter glows, gas valve opens for 2-3 seconds then shuts off. I have taken wires of … read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,264 satisfied customers
I have a 20 year old Rheem furnace with a Honeywell programable
I have a 20 year old Rheem furnace with a Honeywell programable thermastat.Recently on several occasion the furnace has failed to light. The first time I saw the firebox fan was working but the ignite… read more
Appliance Guru
Appliance Guru
19,163 satisfied customers
My ,Bryant plus 90, furnace stopped igniting tonight. I am
My ,Bryant plus 90, furnace stopped igniting tonight. I am getting a 34 code and need help in figuring out how to fix it.… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
My White Rodgers 36e gas furnace will not stay lit. Most of
My White Rodgers 36e gas furnace will not stay lit. Most of the time the gas will ignite for 4-5 seconds, then cut off. Occasionally it will not ignite at all. I've cycled the unit on and off several … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
On a Trane XL90 furnace, igniter comes on and stays on for
On a Trane XL90 furnace, igniter comes on and stays on for about 10 seconds and then switches off before the gas ignites (or is allowed past the valve) so the burners don't light. I have an Emerson 50… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
Help!!! I have a Gibson KG6RC-100C-16B gas heating unit
Help!!! I have a Gibson KG6RC-100C-16B gas heating unit in a home we bought end of summer. When it would not fire off a several weeks ago, a technician replaced the pressure switch. It worked well a f… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have an 11 year old Janitrol furnace that has the label on
I have an 11 year old Janitrol furnace that has the label on it "The Dependable 92." A few seconds to a few minutes after the fan comes on and the flame ignites both the flame and fan shut down. Do yo… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I have a old Rheem furnace.model RGDD-08NE-GR. Pilot light
I have a old Rheem furnace.model RGDD-08NE-GR. Pilot light is up for more than 10 minutes but burner won't light up. How can I fix it? Joe… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Why doesnt my tempstar 5000 furnace start we get spark from
Why doesn't my tempstar 5000 furnace start ? we get spark from igniter but wont let the main gas flow start!? we turn it on at the thermostat ,blower comes on a few seconds later the igniter starts cl… read more
Jim Eastwood
Jim Eastwood
Lead service
High School or GED
100 satisfied customers
Hi HVAC22, My heating just went out today on the coldest day
Hi HVAC22, My heating just went out today on the coldest day in the midwest. I have a york diamond 80 heating unit and this is what is happening: The Combustion blower runs, Next, after 15-20sec the i… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I have a Comfortmaker, model GUD040A012AIM, and there was definitely
I have a Comfortmaker, model GUD040A012AIM, and there was definitely an igniter problem as the igniter did not glow. I replaced it, and now it does glow, the gas does ignite, but for only 1-2 seconds,… read more
Tom Goellner
Tom Goellner
owner
Vocational, Technical or Trade Scho
1,654 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