HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I'm ***** *****. I just replaced a bad thermocoupler on a
Hello, I'm ***** *****. I just replaced a bad thermocoupler on a nordyne gas furnace. I turned it on and I think the combustion motor might be bad because all I here is the humming before the burners … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
My name is ***** *****. My parents have a (nordyne)
Customer: My name is ***** *****. My parents have a miller (nordyne) cmf80-pg-di-n. They have turned it on for the first time this season since it has just gotten cold. The furnace will not work at al… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have a coleman evcon model# XXXXX can look threw inspection
I have a coleman evcon model# XXXXX can look threw inspection window and see igniter glow ,burner lights ,I hear a series of clicks and flame goes out,all the time the main blower is running not the a… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
i am working on a colman evcon furnace. When their is no call
i am working on a colman evcon furnace. When their is no call from the t stat the blower will come on and shut off after 1 min. I have checked everything out and the board is new. It is not a limit bu… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
Im am getting the 3 flashing light code for [Coleman Furnace]
I'm am getting the 3 flashing light code for [Coleman Furnace] Air Pressure Switch 024-27666-000 -0.15, the replacement part number, my part is still 0.20. Can I assume this is the problem or could th… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
I went to switch my furnace from A/C to heat and it would not
I went to switch my furnace from A/C to heat and it would not turn on. Checked the diagnostic light and it was flashing 3 times. According to the list, 3 flashes= "Combustion air switch failed to clos… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
hello. I have a 4 year old WeatherKing, model 90RJ12EHS01...
hello. I have a 4 year old WeatherKing, model 90RJ12EHS01... uses outside air for combustion. I understand WeatherKing is a member of the Rheem family. Can I still ask a question? A couple of times in… read more
ComfortZone
ComfortZone
Associate Degree
485 satisfied customers
Hello Experts, I have a Coleman Evcon 7681-8171/B. It has
Hello Experts, I have a Coleman Evcon 7681-8171/B. It has been acting up lately, now it wont turn on at all when the thermostat calls for heat. Diagnostic code flashes 2 - Centrifugal Switch Stuck Clo… read more
Heath
Heath
Vocational, Technical or Trade Scho
1,002 satisfied customers
Rheem Classic 90 plus furnace/air not working this morning
Rheem Classic 90 plus furnace/air not working this morning - no heat. Thermostat seems ok (24vac at both red and white wire. After pushing in the filter interlock switch, on the control board the pwr … read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
i have a coleman evcon furnace 13 years old electronic ignition
i have a coleman evcon furnace 13 years old electronic ignition sounds like the gas valve is opening but wont light… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
It has just gotten cold enough to turn on the gas heater and
It has just gotten cold enough to turn on the gas heater and it comes on but blows cold air. What should I do?… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
Coleman furnace Model 7956 wont stay lit. Pilot stays lit,
Coleman furnace Model 7956 won't stay lit. Pilot stays lit, thermostat fires up the burner, but before there is enough heat to turn on the blower motor, there is a click from the gas valve area, then … read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a Gibson furnace. On start-up this heating season it
I have a Gibson furnace. On start-up this heating season it blows out cold air right from being turned on, and then the fan won't go off - I have to cut the power to get it to stop. The furnace is abo… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
I have a colman natural gas furnace that quit working diagnostis
I have a colman natural gas furnace that quit working diagnostis code flashing once "ignition failure" what would be the cause and how can I fix it?… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
I have a Coleman Evcon DGAT090BDE gas furnance in which the
I have a Coleman Evcon DGAT090BDE gas furnance in which the pilot light will not come on. There are also 4 flashing lights. What do you suggest?… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
The electronic ignition on my Rheem Quiet 80 furnace does not
The electronic ignition on my Rheem Quiet 80 furnace does not trigger. I have two identical furnaces. I tested the other and it works fine. On the functional unit, I can view the flame from the view w… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
my in-laws live in a double wide mobile home with a coleman
my in-laws live in a double wide mobile home with a coleman evcon presidential 7995C856 furnace. if the thermostat is set at 74 or higher, it runs fine.....but if it's turned down to 68, the furnace w… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,209 satisfied customers
I have a problem with my furnace. Here are the symptoms. The
I have a problem with my furnace. Here are the symptoms. The induction motor? ( the little one that clears out any fumes before ignition) was running and was hot. The furnace itself ( main air handler… read more
Jim Eastwood
Jim Eastwood
Lead service
High School or GED
100 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

7,426 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