HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
Im currently troubleshooting a trane YCH180B3LOHB rooftop
hi my name is ***** ***** currently troubleshooting a trane YCH180B3LOHB rooftop package unit. the system operates, but the gas trane does not shut down after the call for heat. Swapped out theboard t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have an Rheem Imperial High Efficiency Natural Gas, installed
I have an Rheem Imperial High Efficiency Natural Gas, installed 1991, and the fan motor continuously stays on. I had a thermostat that was old, batteries corroded, and replaced it with a new one a few… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
MY Trane XE80 gas furnace blower continues to run after reaching
MY Trane XE80 gas furnace blower continues to run after reaching thermostat temp and the gas shuts off then it's blowing cold air unless I raise the temp on thermostat… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Hi Douglas we are having an issue with the furnace again and
Hi Douglas we are having an issue with the furnace again and wonder if we can ask you a couple questions.… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Luxaire 90+ efficiency gas furnace (model PCLU - LD
I have a Luxaire 90+ efficiency gas furnace (model PCLU - LD 10N060A circa 1996). It will start up as usual when thermostat calls for heat and heat for a little while (again as usual), but before reac… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
i have a carrier furance model 28ACO42OOO that will not stay
i have a carrier furance model 28ACO42OOO that will not stay lit. I have replaced the ignitor, flame sensor in the hot box, bypassed my thermostat, and removed the filters. It will run to heat up the … read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
23,209 satisfied customers
I have a Lennox GCS20H-311-75-1P gas fired furnace and A/C
I have a Lennox GCS20H-311-75-1P gas fired furnace and A/C package unit. The A/C will operate with the fan in "auto mode" just fine. However, for the gas heater to function, I have to leave the thermo… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Trane XE70 Model TUS1008936A0 Gas Furnace. The burner
I have a Trane XE70 Model TUS1008936A0 Gas Furnace. The burner ignites and the exhaust ventilation fan comes on. The burner stays on for 15 seconds or so and then turns on before the circulating fan c… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,362 satisfied customers
I have a 23 yr old 58GS upflow gas furnace, cleaned within
I have a 23 yr old 58GS upflow gas furnace, cleaned within the last 2 years and with filters regularly changed. It has an external air intake. The outside air temp. has been in the -30 degrees C for t… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
6,158 satisfied customers
my furnace is natural gas the burners all start up and heats
my furnace is natural gas the burners all start up and heats up and i hear the click for the fan to come on but it doesn't.after about 15-20 seconds after the burners shut off the blower comes on for … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
My modine hot dawg 75.000 btu garage furnace heats then the
My modine hot dawg 75.000 btu garage furnace heats then the gas turns off and the blower runs continuously. It will not cycle correctly. If I turn the breaker off and reset it about a half hour later … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Bryant furnace that isnt lighting. The blower fan
I have a Bryant furnace that isn't lighting. The blower fan starts, but no ignition, and the exhaust fan isn't starting either. Aside from calling someone, is there anything I can do to troubleshoot i… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,362 satisfied customers
I have a lennox elite g26q3-75-2, When in heat mode the blower
I have a lennox elite g26q3-75-2, When in heat mode the blower motor does not come on, the burners will ignite and stay on until it overheats and shuts off. but if i select fan on the thermostat contr… read more
John
John
High School or GED
27 satisfied customers
armstrong air furnace blower turns on and off during heat cycle
armstrong air furnace blower turns on and off during heat cycle burners stay on then after thermostat shuts it down it may or may not come back on i heat thermostat click but nothing happens… read more
Mike
Mike
Service Tech/ Installer
High School or GED
153 satisfied customers
I have a Lennox gas furnace. The pilot stays lit but the furnace
I have a Lennox gas furnace. The pilot stays lit but the furnace goes off even when the heat is cranked up. Any suggestions? The thermostat seems to work (makes the blower go on) and I changed the the… read more
ComfortZone
ComfortZone
Associate Degree
515 satisfied customers
I have a trane xe90 furnace the thermostat reaches the tempature
I have a trane xe90 furnace the thermostat reaches the tempature setting and the burner shuts off,but the blower keeps running blowing cold air. I thought it was the thermostat and replaced it but the… read more
ComfortZone
ComfortZone
Associate Degree
515 satisfied customers
I have an older model Luxaire furnace. The pilot is lit and
I have an older model Luxaire furnace. The pilot is lit and strong but the burners wont stay lit. When I shut it down, including turning the pilot off, the burners will light for one minute then shut … read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
i have a rheem criterion 2 gas furnace that wont stay on past
i have a rheem criterion 2 gas furnace that won't stay on past 63 deg. if i use therm to set desired temp furnace piece glows,the burner lights,fan kicks on,blows hot air,but the burner shuts off befo… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 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