HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
Goodman furnace will not start. Solid red light. Checked the
Goodman furnace will not start. Solid red light. Checked the transformer have 24 volts. By-paqssed the thermostat at the board (jumped R & W) nothing when pushing door switch on. Also, at the beginnin… read more
airheatman
airheatman
HVAC Technician
6 years college
9,549 satisfied customers
50a50-241 circuit board. Light comes on when switch is
50a50-241 circuit board. Light comes on when switch is depressed the goes off furnace does nothing … read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have an amana furnace pga30b0702c and the led light inn
I have an amana furnace pga30b0702c and the led light inn the control board is not on. I have 120v going to the board in 2 places. It is a 240v unit. Should three light always be on or is there someth… read more
Chad DeYoung
Chad DeYoung
11 satisfied customers
I have a Lennox unit and the blower does not come on while
I have a Lennox unit and the blower does not come on while the outside compressor runs fine. I have checked the blower motor by manually connecting to the power source and it runs fine. when I connect… read more
airheatman
airheatman
HVAC Technician
6 years college
9,549 satisfied customers
I was trying to install NEST thermostat and later NEST told
I was trying to install NEST thermostat and later NEST told me the R wire is no power. So I check the furnace control and found the fuse is broken. I replace it but it is still no power. Is there a sw… read more
D.E. Anderson
D.E. Anderson
Industrial Refrigeration Service Manager
200 satisfied customers
I have no lights on my furnace control board. Nordyne G7 unit.
I have no lights on my furnace control board. Nordyne G7 unit. The previous control board was burnt up. I installed a new control board. Still no lights. However, there is 120 volts of power getting t… read more
airheatman
airheatman
HVAC Technician
6 years college
9,549 satisfied customers
I have a ducane gas furnace, model # 80G1, have not had any
i have a ducane gas furnace, model # ***** have not had any previous problems. we experienced an electrical surge caused by a bad electric meter. now the furnace will not turn on. thermostat is ok, fi… read more
airheatman
airheatman
HVAC Technician
6 years college
9,549 satisfied customers
I have a Goodman gmp 125-5. It stopped working and there is
Tim, I have a Goodman gmp 125-5. It stopped working and there is no power at the stat. The control board has a solid red light. I've power cycled. I don't get 24 at transformer though so I'm lost.… read more
airheatman
airheatman
HVAC Technician
6 years college
9,549 satisfied customers
Can someone diagnose my furnace,I have a nordine gas furnace
Can someone diagnose my furnace,I have a nordine gas furnace with a false flame / gas valve relay short error. When the thermostat calls for heat nothing happens, no inducer, nothing. If I unplug any … read more
airheatman
airheatman
HVAC Technician
6 years college
9,549 satisfied customers
I have a crane XL80 turned to cool unit outside the house
I have a crane XL80 turned to cool unit outside the house goes on blower is not coming on I have 120v going to circuit board nothing coming out to blower red light blinking on circuit board is off tha… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a York Diamind80 ModelHCL060+TXV serial 599457, I
I have a York Diamind80 ModelHCL060+TXV serial 599457, I don't think this correct but all I can find. It has a White-Rogers board 50A50-241. I can not get fan to run in any setting. I have 28v at the … read more
Jason Whatley
Jason Whatley
60 satisfied customers
. My furnace has not been heating my house to the temperature
Hi. My furnace has not been heating my house to the temperature set on the thermostat. The thermostat calls for heat and the furnace ignites. I get a continuous flashing red light (i read stands for "… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My Comfortmaker fan will not turn on. The AC unit is running
My Comfortmaker fan will not turn on. The AC unit is running and pushing cold air to the unit but the fan in the Comfortmaker unit will not come on. I tried reseting the breaker and turning the switch… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My rheem ruud heater and air conditioner are not working. I
My rheem ruud heater and air conditioner are not working. I turned the AC on last Friday and it ran just fine, but sometime during the night it quit. The control board 62-24140-02 has 3 lights, power,… read more
Wvfan79
Wvfan79
Mecanical Designer & Estimator
High School or GED
775 satisfied customers
I have a intertherm model MMHB-070ABHR-06 the unit will come
I have a intertherm model MMHB-070ABHR-06 the unit will come on but the blower motor only thing running it will click a few times and after about 45 seconds it shuts down and the red led light flashes… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a gas furnace (carrier 58dhb075-cc/1986) which induce
I have a gas furnace (carrier 58dhb075-cc/1986) which induce draft moter wont come on. What is the problem… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
I HAVE A KEEPRITE HIGH EFE FURNACE MOD # N9MP105 0B 12A1...
I HAVE A KEEPRITE HIGH EFE FURNACE MOD # XXXXX 0B 12A1... I TOOK OUT THE BLOWER TO CLEAN IT AND WHEN I PUT BACK IN THE MOTOR WOULD NOT COME ON..I REPLACE THE MOTOR AND CAPACITOR AND STILL WILL NOT WOR… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have problem with my YORK heating unit.I installed new electronic
I have problem with my YORK heating unit.I installed new electronic control board and unit works god for one or two cycles then rapid red light starts flashing.Thermostat sends signal to the board tha… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 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

7,634 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