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 Comfortmaker gas furnace, model #GUH100AO16CIN.
I have a Comfortmaker gas furnace, model #GUH100AO16CIN. Thermostat calls for heat, ignitor glows and burner lights. Then I hear a "click" and the burner shuts off. The light on the circuit board blin… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
I have a Lennox G20Q3E-75-2 gas furnace. The electronic
I have a Lennox G20Q3E-75-2 gas furnace. The electronic ignition module constantly flashes which i understand it means the problem is external from the module. If i reset the furnace, it will go throu… read more
Kcrand36
Kcrand36
Technician/Owner
Vocational, Technical or Trade School
72 satisfied customers
I have a Carrier Weathermaker Infinity gas furnace. When I
I have a Carrier Weathermaker Infinity gas furnace. When I came down this morning after a very cold night, the thermidistat was off and as a result so was the heat. I turned the furnace off and found … read more
Rick
Rick
HVAC Supervisor
26,210 satisfied customers
I have an amana air command 80SV that short cycles. When I
I have an amana air command 80SV that short cycles. When I call for heat, it operates for about 10 minutes then shuts down. Then starts again after a few minutes then shuts down again resulting in a "… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
My Lennox Pulse 21 G21Q3-80-1 occasionally would lock out.
My Lennox Pulse 21 G21Q3-80-1 occasionally would lock out. Power off/on cycle reset it. Lately it locks out at the end of the cycle more often than not. Power cycle resets it. I've watched it through … read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
183 satisfied customers
My carlin burner is in lockout mode. The burner wont turn
My carlin burner is in lockout mode. The burner won't turn on this morning after stopping to work at some point last night. Went to check, no lights were on. Then, switched off the emergency shut off … read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
have a carrier weather maker 8000. starts up fine all burners
have a carrier weather maker 8000. starts up fine all burners are on and working but only lasts for about 20 to 25 seconds, then shuts down the fan runs and it goes thru the whole cycle again. almost … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Carrier Weather Maker 8000 HVAC unit Model 58ZAV115-20
I have a Carrier Weather Maker 8000 HVAC unit Model 58ZAV115-20 Serial 2898A19751. The unit is about 12 years old. In Scottsdale it getts very little use as our winters are very mild. The funace will … read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
Hi, I have a plus 90 I propane gas furnace, model 355 mav !
Hi, I have a plus 90 I propane gas furnace, model 355 mav ! It started going out during the night so in the morning I would shut it down, and relight it and it would work for another week, then repeat… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
Help !! Trane XB 90. Burners light , small blower runs bt
Help !! Trane XB 90. Burners light , small blower runs bt as soon as it heats up the instant the big fan starts the burners go out ! Any suggestions, no codes just constant flash… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
Burner runs, fire is present, but shuts off and reset button
Burner runs, fire is present, but shuts off and reset button pops. Can reset button, runs for a bit more, then shuts off again. Have had several repair people from different companies come to troubles… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
My RUUD Silhouette II plus 2 cycles on, but after 3-5 seconds
My RUUD Silhouette II plus 2 cycles on, but after 3-5 seconds of the burners going it shuts off and the blower continues to blow for 30 seconds and then shuts off also.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
ihave a 3 year old worcester greenstar 30 cdi conventional
ihave a 3 year old worcester greenstar 30 cdi conventional at about 7.70 last night a garden light caused the electricity to trip and the boiler went off and asked to be reset we have tried this on nu… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
Hi, Im Peter with an odd problem on a Balmoral 65F gas boiler It
Hi, I'm Peter with an odd problem on a Balmoral 65F gas boiler It has standard spark ignition and from cold, it starts-up as expect, then runs normally, but after about 30 minutes, the main burner shu… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
Last night my Bryant 395C went off. This morning I went through
Last night my Bryant 395C went off. This morning I went through the shut down and start up drill. I watched the igniter glow and start a flame that lasted about 10 seconds three times then stop; on th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
I HAVE A GOODMAN 70,000 BTU 80% FURNACE, ABOUT 4 YEARS OLD.
I HAVE A GOODMAN 70,000 BTU 80% FURNACE, ABOUT 4 YEARS OLD. INTERMITTANT PROBLEM HAS NOW BECOME CONSTANT. FURNACE GOES INTO LOCK OUT AFTER TRYING TO FIRE 3X. WHEN CALLS FOR HEAT, INDUCER FAN STARTS, I… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
I have a rheem fuenace model rgle-12erajs. It keeps short cycling
I have a rheem fuenace model rgle-12erajs. It keeps short cycling what could be causing this?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
My boiler went out last night,the reset button was blinking
My boiler went out last night,the reset button was blinking every two seconds. I hit the reset button and it fired but nothing happened. i then checked the tank and saw I was very close to empty. I ha… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 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