HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a Trane XL80 that kept shutting down. I took the
I have a Trane XL80 that kept shutting down. I took the flame sensor out and cleaned it with 0000 steel wool and re-installed it. The furnace started up correctly and finally ran until it reached the … read more
airheatman
airheatman
HVAC Technician
6 years college
9,704 satisfied customers
, I have a Carrier Comfort 92 furnace and use it to heat
Hello, I have a Carrier Comfort 92 furnace and use it to heat a hot yoga studio to 112 degrees for several classes throughout the day. The heater was installed about 7 years ago and it has begun to ha… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
What to do when heat stops on Lennoz and Honeywell furnace
I have a Lennox CX34-25B-6F-1 furnace and Honeywell VR9200 (those are the two model numbers I found. They heat has stopped. When I took the cover, I saw a red blinking light and looked. It recorded th… read more
V12Tech
V12Tech
252 satisfied customers
I have a Lennox GSR14 purchased and in use since 1989. It
I have a Lennox GSR14 purchased and in use since 1989. It is starting to fire the burner on an intermittent basis. Propane pressure-good, power supply and thermostat continuity and ohms-good. Propane … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
i have a trane xl80 when it calls for heat my blower goes on
i have a trane xl80 when it calls for heat my blower goes on the glow stick lights my burners but it will only stay on for 3 seconnds and then shuts off , i tried fine sand paper on the flame sensor a… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
My Bryant furnace is not putting out warm air. I just went
My Bryant furnace is not putting out warm air. I just went and looked at the RED LED status light and it was blinking. After removing both panels and then replacing the top panel, the light remained o… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
I have a carrier model 58PAV135-20 furnace. It wont start
I have a carrier model 58PAV135-20 furnace. It won't start and the LED appears to be flashing a code (2 short flashes followed by 4 long flashes). Is there a place online that describes these codes?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
I have a Trane XL80 that is blowing out cold air, the error
I have a Trane XL80 that is blowing out cold air, the error code (2 short flashes) says "External Lockout (Retries or Recycles exceeded)" What does this mean?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
I have an Trane XL80 that works intermittently when heating.
I have an Trane XL80 that works intermittently when heating. Its common for it to light then shut off 4-5 times and then just blow air without heat. The indicator light code is 2 for System Lockout. I… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
We have a trane system with 2 zones and a clean effects filtration
We have a trane system with 2 zones and a clean effects filtration system. the blower is working but their is no heat. the system light is not indicating that heat is being called for and the red LED … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
What is the cause formy Trane furnace trying to run, then shuts off?
My Trane furnace tries to run, then shuts off....the ignitor fires up and runs for about 30 seconds then it flames out. It happens several times before the blower kicks on because of the heat built up… read more
Daniel A.
Daniel A.
Vocational, Technical or Trade Scho
3 satisfied customers
I have a Trane XL80 furnace that is less than 10 years old.
I have a Trane XL80 furnace that is less than 10 years old. The last 10 days, I have had an intermittent problem of the furnace igniting and then shutting off after about 1 minute. It will repeat 3-4 … read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
hey i have a trane electronic ignition furnace...80+...bout
hey i have a trane electronic ignition furnace...80+...bout ten years old...furnac will go thru its normal start up cycle and than run for about 30 40 seconds than shut up...fan continues to run there… read more
Bill
Bill
High School or GED
318 satisfied customers
Intermittent oil furnace shut-down 8 year old furnace, hydronic
Intermittent oil furnace shut-down 8 year old furnace, hydronic system, integrated domestic hot water heater. Honeywell electronic contol, model R7184B (15 sec valve-on delay). The furnace has shut do… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Hi there, I have a Carrier Weathermaker 8000. From 1994.
Hi there, I have a Carrier Weathermaker 8000. From 1994. My LED diagnostic light is blinking but I do not have an error code legend on my furnace, so I do not know what the flashes mean. Help!… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
my Bryant heater is not working - the led code is #21 - what
my Bryant heater is not working - the led code is #21 - what is involved and what is the cost to fix that problem?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,892 satisfied customers
I have a trane XL90 with a white rodgers 50E47-60 ignition
I have a trane XL90 with a white rodgers 50E47-60 ignition control. When first called for heat the inducer runs, the igniter glows, the igniter goes out, the igniter comes on, but the gas valve doesn'… read more
hvacmrfixit
hvacmrfixit
disabled
Vocational, Technical or Trade Scho
118 satisfied customers
I have a HEIL PL gas furnace Model NULK050MF03, 50,000 BTU
I have a HEIL PL gas furnace Model NULK050MF03, 50,000 BTU which is 20 years old. For the last couple years it occasionally misfires. If you unplug it and then replug it back in then it will work for … read more
Tom Goellner
Tom Goellner
owner
Vocational, Technical or Trade Scho
1,628 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