HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My furnace has been humming before the pilot lights-call
My furnace has been humming before the pilot lights-call for heat loud hum then turns off. Tried it on fan only and same thing happened. So I figured it needed a new fan blower motor and capacitor as … read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
Think our mobile home furnace number is DGAA. When we turn
Hi, think our coleman mobile home furnace number is ***** When we turn it on the motor starts to hum but won't start to bow heat through vents. We took the front panel off and a green light blinks thr… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
my 15 year old Lennox Furnace suddenly quit working, fan works
my 15 year old Lennox Furnace suddenly quit working, fan works when i move switch from auto to fan, no fuses are blown it make a low humming noise but will not light… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have a 1991 Coleman gas mobile home furnace and the combustion
I have a 1991 Coleman gas mobile home furnace and the combustion motor won't start. I have a new thermostat wired at the furnace to eliminate chance of broken thermostat wire in the wall. The pilot is… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
I have a coleman 4 wire heat pump with ac in a older mobile
I have a coleman 4 wire heat pump with ac in a older mobile home my ac unit turns on but the blower won't I can run furnace w heat and blower works but when using ac it won't any sugestions? It is a 4… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
bought a house has xr80 trane furnace,tech said board was shot
bought a house has xr80 trane furnace,tech said board was shot i bought a new one white rodgers replacement 50a65-863 for 50a65-465 switched out board wire for wire (not a furnace guy but been in home… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
My Coleman furnace is not working. I am getting two flashes(combustion
My Coleman furnace is not working. I am getting two flashes(combustion air switch stuck closed). Should I replace? Or is there possibly a different problem?… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,010 satisfied customers
Hi I just installed a Coleman EB10 Electric furnace in my older
Hi I just installed a Coleman EB10 Electric furnace in my older mobile home and the heater just keeps going and wont turn off unless I hit the breaker. I noticed it has a little fuse burnt out connect… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I have a Lennox 80MGF2-45A-7 furnace that is not heating, the
I have a Lennox 80MGF2-45A-7 furnace that is not heating, the air conditioner works. Indicators diag1 and diag2 light green when I switch on power and a motor? hums.… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Have a Coleman Evcon Mobile Home Direct Vent Forced Air Furnace,
Have a Coleman Evcon Mobile Home Direct Vent Forced Air Furnace, Model DGAT070BDD, Serial XXXXXXXXX Have a steady 3 blink code. What is wrong with it? What does the bad part look like and where is the… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
1 live in a 1994 mobile home, it has colman evcon electric
1 live in a 1994 mobile home, it has colman evcon electric furnace.i just had a heat pump put in, they said the furnace was fine, the heat pump turns on, but my furnace just makes a humming noise and … read more
Doug Scott
Doug Scott
Owner/Service Technician
Bachelor's Degree
42 satisfied customers
A COLEMAN MOBILE HOME FURNACE MODLE #DGAA070BTA INDUCER MOTER
A COLEMAN MOBILE HOME FURNACE MODLE #DGAA070BTA INDUCER MOTER KEEPS RUNING BUNER DOSE NOT FIRE TURN ON OFF SWITCH BACK &FOUTH IT WILL FIRE AND RUN… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,010 satisfied customers
i rent a mobile home with a coleman furnace. it rarely kicks
i rent a mobile home with a coleman furnace. it rarely kicks on and it is chilly in here. i have it set on 80. when it does kick on the air is cool. what can i check on it? i have no idea.… read more
ComfortZone
ComfortZone
Associate Degree
485 satisfied customers
I have an evcon model 7681-8191 serial # XXXXXXXXX furnace.
I have an evcon model 7681-8191 serial # XXXXX furnace. I just bought this mobile home. The combustion air motor runs all the time. Is it suppose to and what is the purpose. I had a furnace man from a… read more
ComfortZone
ComfortZone
Associate Degree
485 satisfied customers
Have recently purchased 1994 mobile home with propane downflow
Have recently purchased 1994 mobile home with propane downflow furnace. Makes irritating clanging noise when thermostat calls for heat, even before blower motor kicks on.… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
i have a 1990 colman electric furnace in a mobile home that
i have a 1990 coleman electric furnace in a mobile home that was just bought,the thermostate seems to turn on the eliment but the fan won't kick on,would the fan be bad or is it more likely to be some… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
i have a coleman gm9s080c16up11a high neffeinceny gas furnace
i have a coleman gm9s080c16up11a high neffeinceny gas furnace it blinks a code saying the limit swicht is bad has been replaced my local heating now says bad circuit board ist brand new he installed h… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
My furnace blower starts but it wont light. The glow plug
My furnace blower starts but it won't light. The glow plug never comes on. It is in a mobile home and the flashing light indicates "limit cycling." It is a Coleman Evcon furnace.… read more
tom goellner
tom goellner
owner
Vocational, Technical or Trade Scho
1,115 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