HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a gmh95 furnace. The blower is running but the
i have a gmh95 furnace. The blower is running but the furnace will not fire. I am getting 4 led flashes on the control board … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Dunkirk DPFD-4t boiler that has developed a
I have a Dunkirk DPFD-4t boiler that has developed a thumping or pounding noise during the firing cycle. only one or two, ususally, per cycle. sounds like someone pounding on pipes. … read more
Rick
Rick
HVAC Supervisor
25,165 satisfied customers
Furnace worked fine last spring until we shut off end of
Furnace worked fine last spring until we shut off end of May. Turned heat on this past Saturday and would not come on. Tech came yesterday and replaced thermostat and furnace ran immediately. Today fu… read more
Appliance Guru
Appliance Guru
18,666 satisfied customers
Have a heat pump system, had to replace coil now when unit
Have a heat pump system, had to replace coil now when unit is in heat mode and cycles off the outdoor unit makes a loud swooshing noise, did not make this noise with old coil at least not as loud … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I'm trying to turn on a WM model HE gas furnace w a 1013-200
Hi. I'm trying to turn on a WM model HE gas furnace w a 1013-200 controller. Does not light, it goes thru preflight sequence, one green light and three solid red, ignition element heats, but no igniti… read more
Rick
Rick
HVAC Supervisor
25,165 satisfied customers
I have an ahe 60 series 3 boiler that won't fire up, Just
I have an ahe 60 series 3 boiler that won't fire up … read more
Rick
Rick
HVAC Supervisor
25,165 satisfied customers
My Goodman GMV8 80% efficient furnace is sometimes going
My Goodman GMV8 80% efficient furnace is sometimes going into lockout mode. No failure conditions are displayed by the diagnostic LED when this occurs. This always occurs after the draft inducer motor… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Trane XR90 furnace iginiton issue. heat on thermostat demand
Trane XR90 furnace iginiton issue. heat on thermostat demand blower and purge fan spin up. gas flows. no igniter SIlcone Nitride reading 15.1 ohms. Condensate tubes are clean. any other checks?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have Dunkirk boiler Q90-75 SER.#350 200 455 with UT ele.
I have Dunkirk boiler Q90-75 SER.#350 200 455 with UT ele. Controis ss1-330-162 the boiler lites 3 or4 time for 3or4 seconds than locks out and the red light flashes on the control at valve light.… read more
Appliance Guru
Appliance Guru
18,666 satisfied customers
I have a Dunkirk/lennox boiler (2001) GWB9 with a UT
I have a Dunkirk/lennox boiler (2001) GWB9 with a UT electronic controls board. Whats happening is my gas valve opens, I have flame for about 5 seconds and then it shuts off and tries again. Ive repla… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Trane xc95m. Suddenly no heat. Thermostat showing
I have a Trane xc95m. Suddenly no heat. Thermostat showing err 91. Removing panel shows 10 red light flashes. Need to know what the problem is.… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
my new goodman gas furnace will not start. It is a CVC9/95tHE
my new goodman gas furnace will not start. It is a CVC9/95 tHE LED CODE SAYS ON and there is a blinking light RX. It makes a click click click noise then silence… read more
Appliance Guru
Appliance Guru
18,666 satisfied customers
I have a new house and the plumber substituted 2 - 175,000
I have a new house and the plumber substituted 2 - 175,000 Dunkirk hydonic boilers for the 350,000 btu Buderus unit that was specified . My mechanical room is 85 degrees due to the boiler not being se… read more
Rick
Rick
HVAC Supervisor
25,165 satisfied customers
My heater does not always blow hot air 50% of the time. Usually
My heater does not always blow hot air 50% of the time. Usually when it kicks in there is a swoosh sound but sometimes this does not happen. The blower works but just cool ait comes out. I have had th… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have RHEEM RGPJ-10EBRJR horizontal and up natural gas furnace
I have RHEEM RGPJ-10EBRJR horizontal and up natural gas furnace 7 years old. It worked fine until yesterday, I noticed that it blows cold air. Turning the system off with thermostat did nothing, the b… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Dunkirk Quantum 90-100 boiler that will not ignite.
I have a Dunkirk Quantum 90-100 boiler that will not ignite. It goes through the purge cycle, and the igniter glows orange, then the valve and flame light flash on and off again very quickly, then it … read more
Heath Moyer
Heath Moyer
1,037 satisfied customers
I have an approx. 18 yr old, propane-fired Weil-Mclain VHE
I have an approx. 18 yr old, propane-fired Weil-Mclain VHE boiler installed in the walk-in attic feeding baseboards thru copper piping loops set up for 2 zones. Have had many fixes throughout the last… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Ive been without my home boiler for 2 years now. It is a
I've been without my home boiler for 2 years now. It is a late model Honeywell with a series of vertical indicator lights. One night it just stopped putting out heat even though the water pump was run… read more
electrifier
electrifier
Owner - Contractor
Bachelor's Degree
1,610 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