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 Trane XE80 that doesn't turn on the igniter. The
I have a Trane XE80 that doesn't turn on the igniter. The red dot flashes 4 times, so I replaced the thermal limit and the other switch as well. Still doesn't work. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,241 satisfied customers
Furnace not lighting. Going into lockout mode. Need help!
I have a Gibson kg7sa 072c-24b1 furnace. Over the past year I have experienced several problems and in each case it was a different fault code. 1. pressure switch (replaced switch) 2. flame sensor (re… read more
Rick
Rick
Supervisor
25,560 satisfied customers
I have Nordyne furnace model #KG6RA 072C-12A. When calling,
I have Nordyne furnace model #KG6RA 072C-12A. When calling for heat, the burners fire intermittently from 20 seconds to 20 minutes (with thermostat set 15F higher than house temp). Everything appears … read more
Rick
Rick
Supervisor
25,560 satisfied customers
I have an Amana Model PGB48C1152E package system at my
I have an Amana Model PGB48C1152E package system at my office. In HEAT, the system will turn off spontaneously. The way to restart it is to flip the system breaker OFF and wait about 20 seconds, then … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
My Trane xr90 intermittently flashes code 4 (open limit sw)
My Trane xr90 intermittently flashes code 4 (open limit sw) upon call for heat. checked in and out voltage safety circut 25.6v out 25.2 return while flashing 4 board shuts down and then restarts proce… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,301 satisfied customers
Hi. I have a Bryant 383KAV. I noticed its only blowing out
Hi. I have a Bryant 383KAV. I noticed its only blowing out cold air. I replaced the filter just a couple weeks ago. Vents are clean, no blockage and the limit switch has an auto reset. When I power cy… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,301 satisfied customers
I have a propane furnace app 5 yrs old . when on a long heat
I have a propane furnace app 5 yrs old . when on a long heat cycle i.e. programmed low setting 62 degrees to 70 degrees the burner will stop sometimes before reaching set point but the fan will keep r… read more
warmneighbor
warmneighbor
owner
Vocational, Technical or Trade Scho
162 satisfied customers
Trane XE 90 blower runs constantly with a 5 flash code
I have a Trane XE 90 the blower stays on all the time with a 5 flash code the blower comes on with the thermostat wires removed.… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Trane XC90 that keeps setting intermittently the Open
I have a Trane XC90 that keeps setting intermittently the "Open High Limit Device" error code (4 Flashes). This furnace is about 10 years old. I have changed the filter and cleaned the evaporator to r… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Hi, My furnace is not ignightinh. It is a G1D93AU high
Hi, My furnace is not ignightinh. It is a G1D93AU high efficiency 90+ Condensing Gas unit. It has been functioning well until today. I've read over the manual, and checked the LED code. It told me tha… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Great site! I have a Carrier Furnace PN 394JAW0480080 that
Great site! I have a Carrier Furnace PN 394JAW0480080 that is blowing cold air even if the thermostat is set to off. Even with the thermostat is set to a temp that would induce the burner to turn on, … read more
Bill
Bill
High School or GED
318 satisfied customers
My Trane XR80 furnace has an open temperature limit circuit
My Trane XR80 furnace has an "open temperature limit circuit" problem, per the manual and the four flash sequence of the red diagnostic light. The furnace would fire up and work but the heat would shu… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a Trane XB 90 Gas furnace. I have cleaned all the drainage
I have a Trane XB 90 Gas furnace. I have cleaned all the drainage hoses, replaced the filter and have installed a new thermostat. The furnace starts its cycle as the fan blows. It starts and stops sev… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Older luxaire 50K BTu furnace that is not cycling correctly
I have an older (15-20 yr old) luxaire 45-50K BTu furnace that is not cycling correctly. The exhaust fan fires up followed by the burner coming on for about 20 seconds and then it shuts down as the bl… read more
DanielC
DanielC
Service manager
High School or GED
95 satisfied customers
I have a Rheem Model # RGDA-07EA-CR 75000 BTU forced air furnace
I have a Rheem Model # XXXXX 75000 BTU forced air furnace with electric ignition. Last year it had the problem of coming on when the thermostat called for heat, run for about 10 minutes and then shut … read more
Rick
Rick
Supervisor
25,560 satisfied customers
I have a Trane furnace, 6 yrs old, XR80 . It short cycles some
I have a Trane furnace, 6 yrs old, XR80 . It short cycles some times and the indicator light says it is the high limit. I have replaced the high limit and it still does it. I had a technician turn dow… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have an older Trane Gas Pack model YCC024F1LOBA. It recently
I have an older Trane Gas Pack model YCC024F1LOBA. It recently began giving trouble and I called my Home warranty Company and assigned a local Technician. They replaced the heat exchange unit and told… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
I live in Cleveland Ohio and my forced air furnace stopped
I live in Cleveland Ohio and my forced air furnace stopped working when the temp dropped to 20deg this evening. I have a forced air furnace by Moncrief that is 14 years old. The furnace goes through a… read more
macleaner
macleaner
Vocational, Technical or Trade Scho
50 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