HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My 1 year old furnace refuses to operate. Both the red and
My 1 year old furnace refuses to operate. Both the red and green LEDs are on solid and the yellow LED flashes 3 times. No power to the thermostat. … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
Nordyne model #g6rco80c12b continuse red light -false flame
nordyne model #g6rco80c12b continuse red light -false flame or gas valve relay shorted code . main blower comes on no power to gas blower does not start the cycle to turn on the ignition … read more
Rick
Rick
HVAC Supervisor
25,129 satisfied customers
I have a york yp9c080c16mp12ca furnace. When the call for
I have a york yp9c080c16mp12ca furnace. When the call for fan is applied, the EAC relay is clicking on and off, and when it does, the STATUS LED blinks red momentarily. I dont see what should be a cod… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
We have a red solid light on heat 1 on our HZ322 zoning
My name is ***** ***** we have a red solid light on heat 1 on our HZ322 zoning panel. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
Our Lennox ml193uh is not blowing. Have reset the breaker
our Lennox ml193uh is not blowing. Have reset the breaker and the reset on the side of the furnace, but it continues to blink quickly the red and green lights simultaneously.… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I have a lennox pulse 21 furnace model number G2103-80-1. It
I have a lennox pulse 21 furnace model number G2103-80-1. It is not starting. The green light is solid and not flashing.… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
468 satisfied customers
Cleaned flame sensor on Lennox furnace, now thermostat is off
Cleaned flame sensor on Lennox furnace, now thermostat is off and fan is blowing but no heat… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Philco furnace gas forced hot air system that will
I have a Philco furnace gas forced hot air system that will run can see flame blows cold air and 20 min will shut down , reset at flood switch will do the same… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Hi, I am having a problem with my Goodman furnace and would
Hi, I am having a problem with my Goodman furnace and would be very grateful for your assistance. The model number is ***** The furnace starts up but it appears that the burners are not igniting. Here… read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,264 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
I HAVE A LENNOX 80UHG FURNACE. IT WILL NOT COME ON AT ALL.
I HAVE A LENNOX 80UHG FURNACE. IT WILL NOT COME ON AT ALL. CODE LIGHTS BLINK AT THE SAME TIME SLOW. WHEN THERE IS A DEMAND FOR HEAT THE LIGHTS BLINK FAST AT THE SAME TIME. AFTER A FEW MIN. THE LEFT LI… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have 2 seperate Carrier 8000TS furnaces with their
I have 2 seperate Carrier 8000TS furnaces with their Totaline P374-1800 thermostat. I had a power outage last night and now neither furnace turns on. Yet A/C works on both units. Both furnaces were pr… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
intermittent Carrier Weathermaker 9200 displays a continuous
intermittent Carrier Weathermaker 9200 displays a continuous red led light. What does this mean? How do I know if it is red light 1 or red light 2? Thanks!… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
My gas furnace will not switch on. It has done this recently
My gas furnace will not switch on. It has done this recently and I was able to reset it according to the instructions on the cover, but as of last night, it will not reset at all.… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I just had an Armstrong Air G2D95CT060V14B furnace installed
I just had an Armstrong Air G2D95CT060V14B furnace installed last week. I also installed a thermostate that was capable of running the dual-stage blower and set it internally to run a high efficiency … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I have a Rheem Classic 90 Plus and the furnace will not stay
I have a Rheem Classic 90 Plus and the furnace will not stay on. It will go on if I turn the thermostat heat button off and on but it only stays on for about three minutes.… read more
Paul
Paul
Vocational, Technical or Trade Scho
112 satisfied customers
Trane XV 40 - No heat. Ran through re-start procedure. Now
Trane XV 40 - No heat. Ran through re-start procedure. Now burner comes on for a few seconds, then cycles off again - repeating cycle.… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 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
Rick
HVAC Supervisor
25,129 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