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'm trying to get my Lennox 80uhg to light. I've tried
I'm trying to get my Lennox 80uhg to light. I've tried resetting it. Turning it off, gas off, switch off and restarting but it didn't fix it. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 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
6,044 satisfied customers
I have a furnance in my mobile home. Model DGAA077BDTA and
I have a coleman furnance in my mobile home. Model DGAA077BDTA and we have a steady green light and one blinking red light which indicates a ignitor issue. Can someone assist?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
hi rick, my husband just cleaned the flame sensor on our lennox
hi rick, my husband just cleaned the flame sensor on our lennox elite furnace. he tried it and it worked. he turned it off to put cover on. while putting cover on it had a electric arc on right side. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,801 satisfied customers
We have had snow freezing temps in colorado the past 2 days
We have had snow freezing temps in colorado the past 2 days (-1 this am) woke to thermostat reading 44. Checked furnace and black circle thing was rotating very slowly. I went through process of dropp… read more
Joe Chappell
Joe Chappell
Building Engineer
7 satisfied customers
Hi we have a CT3200A1001 Honeywell thermostat. It appears to
Hi we have a CT3200A1001 Honeywell thermostat. It appears to have good batteries however it won't turn on the heating, AC or the fan. Is the thermostat the problem or something else?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
i have a carrier furance model 28ACO42OOO that will not stay
i have a carrier furance model 28ACO42OOO that will not stay lit. I have replaced the ignitor, flame sensor in the hot box, bypassed my thermostat, and removed the filters. It will run to heat up the … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
I have been running the AC fine for almost a couple of months
I have been running the AC fine for almost a couple of months now. This morning the AC kicked on and I started smelling a burning smell. I turned the AC off on the thermostat but the fan continues to … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
I have a 4-year old Lennox Gas Furnace, model: G43UF, with
I have a 4-year old Lennox Gas Furnace, model: G43UF, with a White Rodgers (Single stage, 80 Series, 1F80-361) thermostat (new batteries). The malfunction is that the furnace stops to kick back in whe… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
Lennox Elite series furnace problem. It won't ignite.
I have a Lennox Elite series furnace that won't ignite. When i look in the glass to see what the indicator lights are doing I see rapid alternating flashes. The trouble guide says this could be due to… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Hi, I replaced the ignition control circuit board on my
Hi, I replaced the ignition control circuit board on my Rheem natural gas furnace model RGUC-07EAAER with a universal White Rodgers model 50e47-843 (thanks to your assistance on a previous conversatio… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Lennox Elite series furnace that started acting up
I have a Lennox Elite series furnace that started acting up two days ago. I'll start by turn off the AC to the furnace then turning it back on. The two lights (red and green) flash rapidly and the fur… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Lennox G40UH (X) series, and I have replaced the ignitor
I have a Lennox G40UH (X) series, and I have replaced the ignitor and I replaced the pressure switch at the suggestion of one of justanswers technicians. I received the new pressure switch today and i… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
I have a Lennox Elite G51. The furnace kicks on intermittently
I have a Lennox Elite G51. The furnace kicks on intermittently and I am not convinced the blower is kicking on at all. The furnace has run fine within the last two weeks, using it in the morning to ge… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
I have a Lennox merit series furnance, the induction blower
I have a Lennox merit series furnance, the induction blower kicks in and then shuts off with the indicator lights as follows: Left = off, right= slow flashing. I dont' see any of the burner on? Is my … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
i have an older model ruud 80plus that is acting up last day
i have an older model ruud 80plus that is acting up last day or so. will get up to temp first time around, but as room temp drops and furnace kicks in again, only the blower goes on. not the burners. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
Hello, I have a Lennox Elite Surefire gas furnace converted
Hello, I have a Lennox Elite Surefire gas furnace converted to propane. Model #G23Q2/3-75-6. It's about 10 years old. The burners will light for about 2-3 minutes than shut off for about the same. Thi… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
Lennox 4 ton Elite Furnace AC works, Houston, Texzs Exhaust
Lennox 4 ton Elite Furnace AC works, Houston, Texzs Exhaust Fan turns on then stops, LED indicates Pressure Switch or Flue Problem Of course gas valve does not open or ignighter does not turn on Press… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 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

10,741 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

1,029 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.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

< 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