HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
We have Central a.c., and for the last 4 years, every Spring
Hello, We have Central a.c., and for the last 4 years, every Spring I have to get a Freon Refill. There is a pinhole leak in the copper pipe in the furnace. I told the last tech that besides having to… read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,136 satisfied customers
TEMPSTAR m#N9MSE0801716A...inducer motor starts..was
TEMPSTAR m#N9MSE0801716A...inducer motor starts..was lighting ignitor then firing and would immediately go out..replaced sensor and press switches...now ignitor will not glow....cked flue,f/a intake c… read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,136 satisfied customers
I have a Carrier furnace model 58CTA090-12114 that was
I have a Carrier furnace model 58CTA090-12114 that was installed in 2005,I am currently having an issue with it when it is called upon for heat, it will start the burner sequence with the ignitor glow… read more
Appliance Guru
Appliance Guru
19,163 satisfied customers
, I had objects in my basement that had mold on them last
Hi, I had objects in my basement that had mold on them last August and had them removed and the basement was treated with shockwave, so I was told. I still have been having odors upstairs but had mold… read more
Rick
Rick
Supervisor
25,948 satisfied customers
I'm having trouble direct spark ignition control original lasted
I'm having trouble direct spark ignition control original lasted 15 years new replacement lasted 11 months last one lasted less than 60 days tech checked out volts wiring contacts it's the same cat # … read more
Appliance Guru
Appliance Guru
19,163 satisfied customers
I have an oil steam hot water furnace with five radiators,
I have an oil steam hot water furnace with five radiators, attached is a honeywell cut in cut out control switch. When the fifth radiator reaches 95 percent hot I go to the basement and check the gaug… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,210 satisfied customers
Hi Douglas, Have a Carrier Weathermaker 9200 model number
Hi Douglas, Have a Carrier Weathermaker 9200 model number CD5AXW0480Z4AAAA that is original furnace from when we built the house in 2000. We heat with wood so the furnace isn't utilized as much. Perso… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,012 satisfied customers
Hello Tim, I have a Lennox G40UH furnace which turns off
Hello Tim, I have a Lennox G40UH furnace which turns off on its own in the middle of the night and does not turn on. The code lights flash fast/alternate which means that either (1) Improper main grou… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,501 satisfied customers
i have a goodman model gms80703ana not firing. the draft induction
i have a goodman model gms80703ana not firing. the draft induction motor comes on, the igniter glows, then the gas valve opens but no ignition. this is intermittant and it can run all day just fine an… read more
heatncoolrepair
heatncoolrepair
HVAC Technical Support
Vocational, Technical or Trade Scho
79 satisfied customers
I have a Coleman model 7970c856 furnace. Last Christmas we
I have a Coleman model 7970c856 furnace. Last Christmas we had problems with the pilot light. Had someone come out and look at it. Changed the coupler, still went out every so often, replaced the gas … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,501 satisfied customers
My furnace keeps starting and stopping every few seconds.
My furnace keeps starting and stopping every few seconds. I have been told to clean the flame rod, but I can't locate it in my furnace. Any advice?… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a York furnace, model number P2MPD12N06401C.Yesterday
I have a York furnace, model number P2MPD12N06401C.Yesterday the furnace stopped blowing warm air. The fan worked. An HVAC company charged me $115.00 for a full inspection. As I walked him downstairs … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,012 satisfied customers
I have a payne furnace model #ZIPG9Maa048100ADKA The glow
I have a payne furnace model #ZIPG9Maa048100ADKA The glow plug is only lighting up for about 7 seconds, and the furnace never fires up fully. what would the glow plug part number be? Is that my proble… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
i have a miller oil furnace the furnace comes on when i push
i have a miller oil furnace the furnace comes on when i push the reset button then the flame goes out in seconds and black smoke comes out what could be my proble i changed the heat exchanger 4 years … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
We have had a Honeywell RTH3100C Thermostat now for about the
We have had a Honeywell RTH3100C Thermostat now for about the past 5 months, and in the past month here I have noticed the "Cool On' flashing. At first it started out as just happening once, now like … read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I am so angry with you guys. I asked you for advice in January
I am so angry with you guys. I asked you for advice in January about my furnace problems for which I gave you my credit card for a one time and one time only answer. You gave me a suggestion, which wa… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
my trane furnace flashed 2 times and the code reads system
my trane furnace flashed 2 times and the code reads system lockout no flame check line polarity the furnace was lighting and heating for a while then the flames went ouy and started blowing clod air c… read more
ComfortZone
ComfortZone
Associate Degree
515 satisfied customers
My furnace will start once in the morning, the rest of the
My furnace will start once in the morning, the rest of the time the blower will run but the furnace won't light. One of the just answer Tech said my smart valve was bad. Changed valve but the furnace … read more
Rick
Rick
Supervisor
25,948 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

10,210 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