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 lux 1500 thermostat and after replacing the battery
I have a lux 1500 thermostat and after replacing the battery the heat isn't coming on … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Furnace is not running. Flame is on for few seconds, but no
Furnace is not running. Flame is on for few seconds, but no fire. The furnace will do that for three times, then it will shutdown. The red light blinks continuously. Furnace is comfortmaker model# : G… read more
HvacmanSean
HvacmanSean
Owner
HVAC
234 satisfied customers
Trane xe78 model tud140C960A0 gas furnace fires up with blinking
trane xe78 model tud140C960A0 gas furnace fires up with blinking light blinking fast, burns for about 2 minutes, then shuts down without blower fan coming on and red light blinks four times pauses and… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
My condensing furnace will not fire, and is blinking a code
My condensing furnace will not fire, and is blinking a code of one light, which is not identified in the repair manual. I have replaced the circuit board, the limit switch and the pressure switch afte… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
I have a luxaire gm9s100c16up11k the induced fan turns on but
I have a luxaire gm9s100c16up11k the induced fan turns on but the burner or the main blower do not start.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,965 satisfied customers
I have an American Standard Freedom 90 Single Stage furnace...about
I have an American Standard Freedom 90 Single Stage furnace...about 7 years old. I have had few problems, and nothing wrong yesterday. Last night the outside temps dropped to -9 in Illinois. I woke up… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Hi, I have a ruud silhouette ii model ugph-12earjr led blinking
Hi, I have a ruud silhouette ii model ugph-12earjr led blinking 5 times. Won't fire up. Any suggestions?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
We have an International Comfort 90+ Single Stage Category
We have an International Comfort 90+ Single Stage Category IV Furnace fan assisted, direct vent gas furnace model #N9MP1 or 2. There is also a huge # XXXXX the label listed as Model # XXXXX (This does… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
My Lenox furnace LED lights are alternately blinking indicating
My Lenox furnace LED lights are alternately blinking indicating a Watchdog flame sensing problem. I followed the shutdown and re-start instructions and the unit started up when there was a call for he… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,965 satisfied customers
We have a Two stage gas fired warm air furnace (GMV95/GCV9).
We have a Two stage gas fired warm air furnace (GMV95/GCV9). The ignition is catching fire for only 15 seconds or so, then it turns off. This has been taking place since we returned home from church t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,965 satisfied customers
emaied a question about a rheem criterion2 this morning-havent
emaied a question about a rheem criterion2 this morning-havent received an answer yet.Furnace fires on for 5 mins then shuts down -it refires and ignites for about 10 seconds then shuts off the gas-Wh… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have an automatic pilot light that wont light. When the
I have an automatic pilot light that wont light. When the furnace is turned on, it goes through the cycle 5 or 6 times and then the blower kicks on, but no fire. i am getting a one blink code which iv… read more
Wes
Wes
HVAC Technician
Associate Degree
115 satisfied customers
I have a Fedders furnace which was manufactured by texas furnace
I have a Fedders furnace which was manufactured by texas furnace . The burner limit circuit open light is blinking. The furnace does not consistently fire up. Sometimes it does other times is cycles u… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
trying to lit my furnace by coleman product. model number G2FD024S17A.
trying to lit my furnace by coleman product. model number G2FD024S17A. I'm seeing a red light blinking inside the furnace. No flame visible… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Goodman 93% efficient furnace that short cycles the
I have a Goodman 93% efficient furnace that short cycles the gas burners. It cycles the vent on, starts the igniter, fires the burners and kicks on the blower but the burners only stay on for a short … read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
My gas furnace will not come until I hit it. The power lite
My gas furnace will not come until I hit it. The power lite is on. The OK lite blinks 3 times then pauses then blinks three times. When I hit it the OK lite stays on and the furnace fires. What is wro… read more
Robert
Robert
Associate Degree
161 satisfied customers
I have a rheem criterion 2, its three years old,it as working
I have a rheem criterion 2, its three years old,it as working fine till this morning.the igniter comes on,the fan is blowing,but no ignition of the gas.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,965 satisfied customers
Hello, i have a gas furnace... thermostat is a digital one
Hello, i have a gas furnace... thermostat is a digital one and the temp reads 69 deg and the furnace is not kicking in when the temp is set at 72, it seems to kick in whenever it feels like it. i took… 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

7,634 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