HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Furnace ignition problem. Igniter lights up, furnace fires
Coleman furnace ignition problem. Igniter lights up, furnace fires for several seconds then dies. I cleaned flame sensor, igniter lights up. What else should I be looking for? … read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
12,257 satisfied customers
Ducane 95% unit. Blower comes on, igniter heats up, heaters
Ducane 95% unit. Blower comes on, igniter heats up, heaters fire and unit pushes air . This lasts for only 4 minutes and then the gas shuts off and it pushes air for the factory 90 seconds. After 5 mi… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a similar problem with model#UDGD-07EAMGR. this furnace
I have a similar problem with model#UDGD-07EAMGR. this furnace does not have a flame sensor, but a glo-coil ignitor. The flames come on after the cccoil is glowing but goes opt as soon as the power tu… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,420 satisfied customers
I have a lennox gas heating furnace. Not sure I have a thermostate
I have a lennox gas heating furnace. Not sure I have a thermostate problem but the gas furnace is not staying on. I go to the furnace and cut the power off.....turn on and then it engages.....starts u… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
Hi Furnace Experts: We have the Rheem RGLG-07EAMGR. Two questions: a)
Hi Furnace Experts: We have the Rheem RGLG-07EAMGR. Two questions: a) Looking for a manual for this model. Any help is appreciated b) Burner turns on and after 15 seconds turns off. Blower continues t… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,420 satisfied customers
I have a Goodman GMH8 furnace...the system is currently not
I have a Goodman GMH8 furnace...the system is currently not heating...i have turned the furnace off and back on...the burners ignite a few times but then stop...i have tried turning the gas switch off… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,300 satisfied customers
I have a Trane fas funace and the thermostat shows error code
I have a Trane fas funace and the thermostat shows error code 22. From what I've been able to search, it means the flame sensor isn't seeing a flame. I've removed the panel to expose the 'brain', tape… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,300 satisfied customers
Hi, i have a similar problem like the one posted below, pilot
Hi, i have a similar problem like the one posted below, pilot comes on, warms up a few seconds, main gas valve comes on for about six seconds and shuts off, then repeats same over and over. checked an… read more
Bill P.
Bill P.
Installer/ Troubleshooter/Technician
338 satisfied customers
I have a Bryant Plus 50 furnace that wont ignite. Every year
I have a Bryant Plus 50 furnace that won't ignite. Every year I have to have someone come out and clean the flame sensor. Isn't this something I can do and if I can, what steps do I need to take and w… read more
Bill P.
Bill P.
Installer/ Troubleshooter/Technician
338 satisfied customers
Installed simple mechanical thermostat single transformer gas
Installed simple mechanical thermostat single transformer gas furnace with AC...the furnace keeps igniting but then shuts off???? I assumed the old thermostat was dead but now I suspect the transforme… read more
Bill P.
Bill P.
Installer/ Troubleshooter/Technician
338 satisfied customers
unit shuts down after 5 or 6 cycles. i can unplug unit and
unit shuts down after 5 or 6 cycles. i can unplug unit and then plug it back in and the unit comrs on immediately.… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,490 satisfied customers
Lennox--Shisper Heat Pilot comes on Main burners do not ignite.
Lennox--Shisper Heat Pilot comes on Main burners do not ignite. Fan comes on. Everything shuts down after 1-2 minutes. Furnace tries to ignite again after about 5 minutes. David… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
There is a red blinking light 1 time. The hot surface igniter
There is a red blinking light 1 time. The hot surface igniter comes on followed shortly by the gas which ignites then runs for a few seconds then stops. The code by the light says to check the furnace… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
Ducane Furnace is igniting, then suddenly flame shuts down.
Ducane Furnace is igniting, then suddenly flame shuts down. Appears to be issue with Honeywell SmartValve SV9520. I was getting a code 6 - 1, then after cycling gas switch and generally trying to clea… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
I have dual zone G43UF series furnace units. One of the units
I have dual zone G43UF series furnace units. One of the units is not working. The operation lights are slow alternating red and green. The guide indicates: 1 Watchguard burners failed to ignite or 2 l… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
I have a single red flashing light. I have ignition for about
I have a single red flashing light. I have ignition for about 3-5 seconds and then it shuts off. The flame sensor was replaced a couple of years ago. it is fairly clean and looks new. Could this be my… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,300 satisfied customers
Hi, our Rheem Criterion II RGDG furnace is not heating--I had
Hi, our Rheem Criterion II RGDG furnace is not heating--I had a technician out, and he said the flame sensor needed repairing. So I've gone ahead and done that, and yet it still comes on, the glow thi… read more
DanielC
DanielC
Service manager
High School or GED
95 satisfied customers
I have a 7900 series lp gas furnace my problem is the burner
I have a 7900 series lp gas furnace my problem is the burner comes on for a few seconds and then shuts down… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,300 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:

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.

Jerry

Jerry

Service Technician

576 satisfied customers

HVAC Technician. Hearth Products Specialty

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

Thehvacguy

Thehvacguy

LIC HVAC,Plumber

426 satisfied customers

Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp

Drcool

Drcool

HVAC Technician

264 satisfied customers

i have been an A/C tech for the past 30 Years. working on window types, split type, and package

N4IEA

N4IEA

NATE Certified; HVAC Technician

227 satisfied customers

Retired, HVAC / Electrical Technician / Contractor 35-years Experience.

< 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