HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a Trans XR90 that stops running after 15-20 min and
I have a Trans XR90 that stops running after 15-20 min and never gets to temp. I see the LED flash 3 times sometimes. … read more
Rick
Rick
Supervisor
24,980 satisfied customers
I have an A.O. 50 gallon natural gas promax hot water
I have an A.O. Smith 50 gallon natural gas promax hot water heater. After running 15 or 20 minutes the gas valve iidicats excessive exhaust back pressure and shut the burner off. I checked the intake … read more
Rick
Rick
Supervisor
24,980 satisfied customers
Triangle tube solo110 - l.p. periodic explosion in boiler
triangle tube solo110 - l.p. periodic explosion in boiler quite severe. doesn't happen every day - may go for two weeks. we have replaced every part possible and problem continues. yesterday replaced … read more
Mike R.
Mike R.
3,031 satisfied customers
Have a 90 Plus furnace built 4798 Model 350MAV060140. Got a
Hi Pearl Have a Bryant 90 Plus furnace built 4798 Model 350MAV060140. Got a status code 3 3. House fan is blowing, exhaust fan is not. Been working for about 1 month. No problems. Same thing happened … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
Have a Power Direct Vent Gas water heater mfgred by American
Have a Power Direct Vent Gas water heater mfgred by American Water Heater. Yesterday heater began to behave differently. It will ignite and run for a short period of time and then it stops. 2 blinking… read more
Appliance Guru
Appliance Guru
18,666 satisfied customers
high efficiency gas furnace about 10 years old, starts the
high efficiency gas furnace about 10 years old, starts the cycle normally when the thermostat calls for heat, runs for a minute or so then the burner shuts off. Both blowers continue to run for anothe… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a Goodman GMT090-4A furnace that will not fire up. I
I have a Goodman GMT090-4A furnace that will not fire up. I see 3 blinking lights on main board. I checked ignitor ok at 80 ohms but thought to replace so did that. Unit is eleven years old replaced f… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
i have a carrier furnace model 58sta070-12 it turn off itself
i have a carrier furnace model 58sta070-12 it turn off itself in 5 mins after it start. it bink 33 which is limit open or something. i measure the limit switch it was open. i checked the air filter is… read more
Appliance Guru
Appliance Guru
18,666 satisfied customers
I have a Payne PG9MAB that is about 2.5 years old. We had
I have a Payne PG9MAB that is about 2.5 years old. We had never had a problem until last night. It was working fine yesterday but overnight it stopped. The red LED is steady on, which appears to be no… read more
joeydelia
joeydelia
HVAC-R Tech supermarket refrigeration
182 satisfied customers
Hi, Trane Furnace tue100a960k0 HSI will not light up, no
Hi, Trane Furnace tue100a960k0 HSI will not light up, no gas flow. Inducer motor runs ok. HSI tested good, flames sensor is clean. HSI is only getting 2.4V from main control board. Help please?… read more
servtech50
servtech50
HVAC/R service tech
296 satisfied customers
I have a rheem 50 gallon powervent water heater. I get the
I have a rheem 50 gallon powervent water heater. I get the maximum start sequence error and the unit locks out. Turn the heater off and it restarts just fine. Runs for appx 15 min same error code. Rep… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I have a Rheem Super Quiet 80 furnace and the furnace is not
I have a Rheem Super Quiet 80 furnace and the furnace is not reaching my desired temperature. It runs for 5 min then shuts off for an hour. Then back on for 5 and off for an hour. This is a 3 week pro… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Lennox Elite G51. The furnace kicks on intermittently
I have a Lennox Elite G51. The furnace kicks on intermittently and I am not convinced the blower is kicking on at all. The furnace has run fine within the last two weeks, using it in the morning to ge… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
I have a rheem criterion furnace model no. RGDG07EAUER. I
I have a rheem criterion furnace model no. RGDG07EAUER. I replaced the thermostat because a couple times a week I would get up and the temperature would be around 63 and it was set for 72. It worked f… read more
Heath Moyer
Heath Moyer
1,037 satisfied customers
I have a GMPN 120-5 REV 8 Serial No XXXXXXXXXX It will
I have a GMPN 120-5 REV 8 Serial No XXXXXXXXXX It will not lite the little red light that tells you what is wrong comes on for a few seconds then starts flashing three times then pauses then flashes t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
I have a Bryant 355MAV gas furnace that is not working properly.
I have a Bryant 355MAV gas furnace that is not working properly. For some reason whenever I turn the heat on the gas and the blower only kick on for a few minutes then totally shut down. I am not sure… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Ok, I have been going crazy for two weeks! My Carrier 58MVP
Ok, I have been going crazy for two weeks! My Carrier 58MVP WeatherMaker Infinity will not stay running. It will fire-up for about 5 seconds, then shut down. It sometimes runs longer after third attem… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
I have a coleman furnace & it has been short cycling , the
I have a coleman furnace & it has been short cycling , the furnace turns off before it maintains its temperature , but the blowers keeps on running… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 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