HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
My furnace is a nordyne gas furnace, the igniter glows but
my furnace is a nordyne gas furnace, the igniter glows but the gas never comes on, instead after igniter glows for several seconds the whole thing shuts down and trys again, can you tell me what is wr… read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,137 satisfied customers
I have a Ruud 90 plus deluxe drum furnace that initially
I have a Ruud 90 plus deluxe drum furnace that initially starts fine everytime, but when the main blower comes on the gas valve shuts off. The flame seems to flutter or lift and the flame is somewhat … read more
Rick
Rick
Supervisor
26,007 satisfied customers
I just replaced a portion of natural gas line in my kitchen,
I just replaced a portion of natural gas line in my kitchen, and now my furnace won't ignite. I purged the gas line, and the water heater is off the same line and is working (after relighting the pilo… read more
Webb-Guy
Webb-Guy
Maitenance Supervisor
Associate Degree
4,330 satisfied customers
old furnace blower on all the time heat never comes on after
old furnace blower on all the time heat never comes on after blew pilot out with forced air trying to clean it. pilot is on… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
I have an older Lennox gas furnace. Want to shut off for summer
I have an older Lennox gas furnace. Want to shut off for summer and just use the blower fan for circulation. I cannot turn the dial to the off position. Am supposed to do something else to get the pil… read more
Nathan Marshall, MP
Nathan Marshall, MP
Master Plumber,HVAC Tech,Tradesman
Vocational, Technical or Trade School
275 satisfied customers
Bryant / carrier furnance 398AAV048100 No heat Blower motor
Bryant / carrier furnance 398AAV048100 No heat Blower motor runs for short time then shuts off. Induction motor runs 60-90 seconds and turns off. I can see glowing igniter through the little round win… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have Lennox 80MGF3-75-7 I have alternating light on diagnostic
I have Lennox 80MGF3-75-7 I have alternating light on diagnostic board pointing to flame sensor and spark electrode could this issue be the control board… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I have a Trane xr90 furnace that fails after inducer blower
I have a Trane xr90 furnace that fails after inducer blower cycle. The furnace registers a call for heat with quick LED flash, starts the inducer blower, lights the ignitor, then fails and attempts th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
we are going to buy a heilo furnace that is ten years old,
we are going to buy a heilo furnace that is ten years old, that a man never used he never hooked it up, it is a vr800 series, he is selling it for $300 is this a good idea. our house is 1,400sf… read more
Rick
Rick
Supervisor
26,007 satisfied customers
All startup functions are normal with the ignitor attempting
All startup functions are normal with the ignitor attempting to light the furnace 3 times before giving up. Apparently, the gas is not being released.… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
York furnace is not heating. Fan is working but burner not firing
We have a York furnace. We have no heat. The fan is working but the burners will not fire. The red status light is blinking on. Any suggestions?… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
im working on a york luxaire gas furnace and whats happening
im working on a york luxaire gas furnace and whats happening is everything comes on but the burners the inducer motor comes on,the press switch closes an the hsi lights up but the gas valve never gets… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
I am having issues with my Coleman Evcon (model DGU08016UA)
I am having issues with my Coleman Evcon (model DGU08016UA) propane furnace not always lighting. Here is what happens: 1. Furnace call for heat. 2. Blower starts 3. Hot surface igniter glows 4. Gas va… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Our furnace is a DLS model coleman furnace. Problem is it
Our furnace is a DLS model coleman furnace. Problem is it does not light. We replaced the booster motor and cleaned the remote sensor. The ignitor comes on for a short period of time and goes out but … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have a Carrier 8000 Weather Maker and im getting a code 34.
I have a Carrier 8000 Weather Maker and im getting a code 34. Can someone assist with what this means?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,019 satisfied customers
I just bought this house over the summer...It has CAC and now
I just bought this house over the summer...It has CAC and now with the cold weather my wife put on the heat...It says the on the thermostat it is 63 degrees..She put the heat on to 70 degrees and the … read more
Ryan V.
Ryan V.
UA Local 350 Journeyman
High School or GED
6 satisfied customers
I have a Reddi Horizontal Gas Furnace (thn075A948a1), recently
I have a Reddi Horizontal Gas Furnace (thn075A948a1), recently the furnace pilot light starts but the main gas valve will not open so after 90 sec the pilot stops and the fan starts continusly. I shor… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a gas furnace (not in front of it so dont know model
I have a gas furnace (not in front of it so don't know model right off) but my problem is it does not ignite. It is a hot surface ignite furnace and when turned on I can clearly see the igniter glowin… read more
HVAC DOCTOR
HVAC DOCTOR
President
Vocational, Technical or Trade Scho
74 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

7,791 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