HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My a/c unit makes squealing noises, assuming its the bearing
my a/c unit makes squealing noises, assuming its the bearing or maybe neds oil??? … read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
469 satisfied customers
regan. I have a problem with my xr90 trane furnace. I am
Hi regan. I have a problem with my xr90 trane furnace. I am getting the four flash open limit device code. The filter is new. The furnace will kick on and fire for about 20 seconds but then shuts off.… read more
Appliance Guru
Appliance Guru
18,838 satisfied customers
I have a ruud air handler with motor 51-101728-06. It was
I have a ruud air handler with motor 51-101728-06. It was making a lound sound when under load. When powered off, the fan did not contact the cage and the sound stopped even while the fan was still sp… read more
Joseph
Joseph
HVAC Contractor
Vocational, Technical or Trade Scho
97 satisfied customers
I have a BDP, United Technologies (Div of Carrier) draft induced
I have a BDP, United Technologies (Div of Carrier) draft induced gas furnace from 1982 that has developed quite a vibration through the house when the inducer motor is running. I took it out a couple … read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
183 satisfied customers
how can I troubleshoot Ruud blower (model UBHK-17J06NFG). Dont
how can I troubleshoot Ruud blower (model UBHK-17J06NFG). Don't know if its the motor or control board.… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a york furnance the flame would not stay lit, i replaced
I have a york furnance the flame would not stay lit, i replaced the glow bar as it had a crack i replaced the flame sensor as the porcelin was cracked.this furnace fires up stays burning for two minut… read more
rpen7111
rpen7111
119 satisfied customers
My HD45AH0174 heater will not run continuously. When called
My HD45AH0174 heater will not run continuously. When called for heat the unit will ignite, run for about four minutes, then shut down for a little less than a minute (the circulating fan continues to … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,027 satisfied customers
Janitrol Furnace Blower Motor Runs For A Few Minutes, Won't Ignite
Janitrol furnace won't ignite. Has a new flame sensor. Igniter glows when trying to ignite but nothing happens except blower motor runs for 3--4 minutes and shuts off. Tried to reset by turning switch… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,027 satisfied customers
I have a Goodman CPLJ48-14 Exterior unit, which is about 7
I have a Goodman CPLJ48-14 Exterior unit, which is about 7 years old. Yesterday, I switched it on the heat for the winter, and it appeared fine, nice and warm etc. All of a sudden today, I heard a ryt… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Trane XE1000 residential AC and I found the condenser
I have a Trane XE1000 residential AC and I found the condenser fan stalled and the compressor off on thermal OL.I cooled down the compressor and checked the capacitor....it was crap.Istarted the unit … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Bryant 2 1/2 ton gas pack. I have intermittent problem
I have a Bryant 2 1/2 ton gas pack. I have intermittent problem with heat. When it fires up it will run for a few seconds then shut off, Then retries. It may do this 3 or 4 times and then runs fine or… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a warehouse hanging gas heater, Id previously never
I have a warehouse hanging gas heater, I'd previously never used it. The previous tenant said that he had no problems with the heater. However this season when I tried to light it up the pilot light s… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
I have a Lennox Diplomat Model 80MGF 4/5-120A-1 Heater. The
I have a Lennox Diplomat Model 80MGF 4/5-120A-1 Heater. The heater comes on, gas turns on, flame ignites, then fan comes on. 15 seconds (or less) after flames ignite it turns off. The flames go out, y… read more
Jason  Hvac
Jason Hvac
Hvac Tec
Vocational, Technical or Trade Scho
120 satisfied customers
I have a trane furnace. The furnace will ignite properly and
I have a trane furnace. The furnace will ignite properly and start blowing hot air into the house. After a few minutes, there is a high pitched whining noise. The gas shuts off, and the blower stops (… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,369 satisfied customers
I have a reznor unit heater (I think it is a UDAS 30,000 BTU)
I have a reznor unit heater (I think it is a UDAS 30,000 BTU) that is showing three flashes on the green light - limit switch? I have powered off, turned off the gas and followed the restart procedure… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,369 satisfied customers
the blower on my furnace kickes on and off about evey 30 seconds.
the blower on my furnace kickes on and off about evey 30 seconds. I replaced the fan limit switch and it is still doing it do you have any suggestions?… read more
Bill
Bill
High School or GED
318 satisfied customers
AMERICANSTANDARD/ TRANE PACKAGED GAS/ELEC MODEL YCC048F1MOBB
AMERICANSTANDARD/ TRANE PACKAGED GAS/ELEC MODEL YCC048F1MOBB AC WORKS FINE HEATER FLASH (4) HIGH LIMIT (TCO) OPEN NEXT STEP IN DIAGNOSTICS OR COMMON FALURE PART THANKS… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
I have a Goodman, Janitrol CPKE30-1B. The fan does not come
I have a Goodman, Janitrol CPKE30-1B. The fan does not come on, it only hums. I replaced the capacitor, but that wasn't the problem. Any sugguestions. thanks. Mary… read more
Mario
Mario
Owner Of At Your Service Plumbing & Heat
High School or GED
672 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