HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My thermostat quit working so I just bought a new one. I am
My thermostat quit working so I just bought a new one. I am trying to figure out if I have a heat pump or an air conditioner. I have electric air and gas heat. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I run Reznor BE 400 furnaces in my business. On several of
I run Reznor BE 400 furnaces in my business. On several of them the inducer motor does not shut off even after the blower shuts off. Is it the pressure switch that regulates the inducer motor off and … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Blower shuts off and on when it should just stay on when
Blower shuts off and on when it should just stay on when heating. … read more
Appliance Guru
Appliance Guru
18,636 satisfied customers
I woke up to a cold house. notices exhaust fan on, but no
i woke up to a cold house. notices exhaust fan on, but no heat (burners) and no forced air fan. turned thermostat of then on and all seemed OK. 2nd day with same issue. Worked fine all day yesterday. … read more
Kcrand36
Kcrand36
Technician/Owner
Vocational, Technical or Trade School
72 satisfied customers
This burner will not stay running for more than a half hour
This burner will not stay running for more than a half hour at a time. It take roughly 3 ignition cycles for it to even start and stay running for that half hour. Need assistance. Filter was replaced.… read more
Rick
Rick
Supervisor
24,889 satisfied customers
The batteries in my Noma 2 thermostat went dead last night and the furnace stopped. After
The batteries in my Noma 2 thermostat went dead last night and the furnace stopped. After changing the batteries in it the fan will work if set to ON, but will not blow hot air (even if Heat is set to… read more
Appliance Guru
Appliance Guru
18,636 satisfied customers
I have 2 HVAC units. When it is hot outside 90+F, with the
I have 2 HVAC units. When it is hot outside 90+F, with the unit turned off at the thermostat, the duct fan turns on periodically, blowing hot air into my cool house. The fan runs for a while then turn… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
23,203 satisfied customers
I have a 2-year-old Trane single-stage 95% efficient gas furnace,
I have a 2-year-old Trane single-stage 95% efficient gas furnace, Model # XXXXX It worked flawlessly until about 4 weeks ago, when it started intermittently blowing cold air. Not only does it blow col… read more
Comfort Specialist
Comfort Specialist
Mechanical Designer & Estimator
Vocational, Technical or Trade School
1,368 satisfied customers
I have a Coleman model 7970c856 furnace. Last Christmas we
I have a Coleman model 7970c856 furnace. Last Christmas we had problems with the pilot light. Had someone come out and look at it. Changed the coupler, still went out every so often, replaced the gas … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Ive been having problems with the blower starting when it
I've been having problems with the blower starting when it should. Or it will start then stop before the temp gets to where the thermostat is set at. I had a technician come out and all he did was cle… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Still having problems with a 4 1/2 month old Ruud UGRL gas
Still having problems with a 4 1/2 month old Ruud UGRL gas furnace. I'm assuming that you can see my previous question regarding this. If not, I can give you more info. My serviceman has tried some fi… read more
N4IEA
N4IEA
Customer Service
Associate Degree
227 satisfied customers
I have an older bryant heat pump model 655A the fan for the
I have an older bryant heat pump model 655A the fan for the e-heat mode will not turn on. I have no wiring diagrams or diagnostic information for this unit, if anyone could provide a diagnostic tree o… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a 2 year old Miller electric furnace.The model # is
I have a 2 year old Miller electric furnace.The model # XXXXX XXXXX I have an intermittent problem with the blower not coming on when the heating element does. It will run fine for days and then it do… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
In our apartment we have a White-Rodgers IF58 mechanical thermostat.
In our apartment we have a White-Rodgers IF58 mechanical thermostat. We typically set heat to around 72-73. Lately the heat will stay on until it is 80 degrees, and then the fan will stay on, until it… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I am having a problem with my Dual fuel system (Trane XL1200
I am having a problem with my Dual fuel system (Trane XL1200 heat pump with a Trane EX90 propane furnace) The Change-over set point is 30 degrees. On some occasions, when the tempature is well above f… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a forced air system (Goodman) that starts with vaccum
I have a forced air system (Goodman) that starts with vaccum fan begins, tehn charging the heating plate (glows) and just as the flame fires, the fan stops, the flame flickers and then the gas shuts o… read more
Jim Eastwood
Jim Eastwood
Lead service
High School or GED
100 satisfied customers
oil forced hot water furnace with seperate hot water tank that
oil forced hot water furnace with seperate hot water tank that feeds off furnace--not the little tank that is in line but large tank that stands by itself (50 gal I think) and is hooked via piping to … read more
Glenn
Glenn
Maintenance, Technician
Associate Degree
1,612 satisfied customers
I have a late 1980s mobile home, with a Coleman Electric Furnace.
I have a late 1980's mobile home, with a Coleman Electric Furnace. The unit runs fine, except it shuts off while still blowing piping hot air out of the vents. I grew up in a mobile home with electric… read more
hvacmrfixit
hvacmrfixit
disabled
Vocational, Technical or Trade Scho
118 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