HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My furnace won't kick on. And I'm getting a light flashing 6
My furnace won't kick on. And I'm getting a green light flashing 6 times. Wasn't kicking on earlier so I turned it off and turned it back on to auto and it ran fine til it hit its temperature then it … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
He lov the lockout light is flashing, plenty of oil and I
He green lov the green lockout light is flashing , plenty of oil and I just changed the filter … read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
I have a Janitrol Furnace. The furnace quit and I called the
I have a Janitrol Furnace. The furnace quit and I called the Furnace company to fix it. They said the gas valve was bad and installed a new Honeywell Valve VR8345M4302. It worked for a few days and qu… read more
Rick
Rick
HVAC Supervisor
24,864 satisfied customers
Our Lennox ml193uh is not blowing. Have reset the breaker
our Lennox ml193uh is not blowing. Have reset the breaker and the reset on the side of the furnace, but it continues to blink quickly the red and green lights simultaneously.… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
, our forced hot air furnace stopped coming on again today
HI, our forced hot air furnace stopped coming on again today ( 2nd time in 2 weeks) . We had a flashing green light on the box inside the back of the furnace. We hit the reset button next to the green… read more
theplumber717
theplumber717
Plumber
Vocational, Technical or Trade Scho
792 satisfied customers
I just changed the oil filter on my oil burner. Tuened on power
I just changed the oil filter on my oil burner. Tuened on power but would not ignite. Found I should have bled the air. Went down and opened bleeder but now not even trying to ignite. Green LED flashi… read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
We have a Ruud Achiever Super Quite 80 Series furnace. My husband
We have a Ruud Achiever Super Quite 80 Series furnace. My husband has cleaned the flamed sensor, check the flu for restrictions, changed the filter (which wasn't bad, we are pretty good about changing… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
Good Morning, I have a Luxaire Furnace model #pclu-ld20n140a.
Good Morning, I have a Luxaire Furnace model #pclu-ld20n140a. WHen we bought the house it had been chenged to lp, but last season we changed to ng. The proper changeover kit was installed and it worke… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,010 satisfied customers
have an new intertherm furnance/fan works/but heat stopped.
have an new intertherm furnance/fan works/but heat stopped. shut off breaker then thermostat waited but furnance fan comes on and i hear clicking sound like heat is coming next but it doesn't. your as… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have an Aire Flow furnace in the attic. It wont kick on.
I have an Aire Flow furnace in the attic. It won't kick on. There's a green led light(indicator light, i thingk ) that flashes 3 times, then stops for 2 seconds, then flashes 3 times again. Is this so… read more
MattR757
MattR757
HVAC Contractor / Owner
Associate Degree
14 satisfied customers
Why does Rheem Criterion 11 furnace turn on and then off?
I have a Rheem Criterion II (RGDG-05EAUER) that I just replaced the igniter on, because it was cracked or broken. Done this before and had a spare new igniter on hand knowing these go out from time to… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I am getting a reading of three flashes on my diagnostic light
I am getting a reading of three flashes on my diagnostic light , we tested the air switch from normally open and blew into it and the contacts sounded like they closed so we verified that it closed wi… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I bought a used Reznor Heater out of a green house. Serial
I bought a used Reznor Heater out of a green house. Serial number J203N740. It is a natural gas, I want to convert it to LP. I've changed the orifices. Do I have to change the value for LP Gas? Thanks… read more
Heath
Heath
Vocational, Technical or Trade Scho
1,002 satisfied customers
We have a Nordyne Model C6BA-F60C-C Gas furnace. We cannot
We have a Nordyne Model C6BA-F60C-C Gas furnace. We cannot get the system to come on regularly! It is a new system and the principal of the company has just been diagnosed with cancer and I hate to bo… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
my goodman furnace keeps restarting continually while trying
my goodman furnace keeps restarting continually while trying to get up to set temperature. It runs for a couple of minutes and then restarts again, runs for a couple of minutes and does it again?? I'v… read more
TimVZ26
TimVZ26
Service Foreman
Vocational, Technical or Trade Scho
157 satisfied customers
I talked to you a few days ago about my Payne Plus 90 gas furnace
I talked to you a few days ago about my Payne Plus 90 gas furnace that you found that the circuit board was bad and sure enough when I removed it I found that it had shorted where the 7-pin connector … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I have a gas starter for a wood-burning fireplace. I can turn
I have a gas starter for a wood-burning fireplace. I can turn the valve, but get no gas. All the valves upstream appear to be on, but I can't get into the hearth as it is stacked stone. Any troublesho… read more
Johnriba
Johnriba
Service Technician
Associate Degree
26 satisfied customers
Luxaire GM9 furnace approximately 2yrs old. When call for heat
Luxaire GM9 furnace approximately 2yrs old. When call for heat is sent, the fan turns on and runs about 5 seconds then the LED goes from Green to Amber and the fan turns off. Something clicks and the … read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 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

7,426 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