HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
Rheem Criterion II. Just replaced blower motor. Now, with
Rheem Criterion II. Just replaced blower motor. Now, with furnace control off the blower runs just fine. But (!) with the furnace turned on, the blower won't start. The pre-purge starts and clears the… read more
Michael Ferryman
Michael Ferryman
110 satisfied customers
I am troubleshooting a Beacon tubular gas fired heater. I am
Hello all. I am troubleshooting a Beacon Morris tubular gas fired heater. I am familiar with home furnace circuitry and firing sequence, etc. My problem with this unit is with the inducer motor. It wi… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,936 satisfied customers
I have a GMT power vented multi-position gas furnace that stopped
I have a GMT power vented multi-position gas furnace that stopped heating. Blower runs on manual, furnace fan runs for 3 or 4 minutes on auto with temp set high - but no blower or fire. Status light s… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,007 satisfied customers
I have the weathermaster 8000 58wav110, it wouldn't turn on.
I have the weathermaster 8000 58wav110, it wouldn't turn on. I did self test and all 4 sequences went fine. I pushed reset, turned off gas and waited hours, changed the igniter . what next?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,007 satisfied customers
I have a Reznor f200e overhead gas furnace. It is a little
I have a Reznor f200e overhead gas furnace. It is a little big for my application. Is there a way I can block one of the burners and change the orfice to down size it… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,936 satisfied customers
Hello, My husband and I bought our condo at the end of summer
Hello, My husband and I bought our condo at the end of summer in 2013 and now that we are using heat, we notice the system is VERY loud the entire time it is working. Like a fan on full blast times 5.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,007 satisfied customers
Goodman mdl # XXXXX mfg 2002...installed in residence May 2005. Gas
Goodman mdl # XXXXX mfg 2002...installed in residence May 2005. Gas flow seems to have stopped to burner. Fan works but no gas to ignite burner. I checked overflow valve...no water there.… read more
Appliance Guru
Appliance Guru
18,835 satisfied customers
I have Reznor XL-30 in garage. In warmer months I occasionally
I have Reznor XL-30 in garage. In warmer months I occasionally turn it on and runs great. In the winter {Alaska} it will cycle on and off frequently until it hits the correct temp. It seems that maybe… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,936 satisfied customers
Hello, I have a luxaire gm8s series furnace. I had the heat
Hello, I have a luxaire gm8s series furnace. I had the heat set to 75 last night, and in the morning, no heat was coming out and the fan would not go off. Do you have a diagnosis? I turned the gas bur… read more
Heath Moyer
Heath Moyer
1,056 satisfied customers
pae50ac gas fired garage heater, worked well for 18years. burner
pae50ac gas fired garage heater, worked well for 18years. burner fires, but fan cycle doesnt kick in.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,007 satisfied customers
i have a Ruud Silhouette II gas heater it came with the house
i have a Ruud Silhouette II gas heater it came with the house i replaced the old analog Thermostat with a digital Rite Temp 3060 one. This also is hooked up with the AC unit. HEAT: Ruud Silhouette mod… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Bradford White TTW2 gas water heater with an exhaust
I have a Bradford White TTW2 gas water heater with an exhaust motor. I lite the pilot light, it stays lit, turn on the gas valve, gas chamber fires up, runs for less than a minute, then stops. Once th… read more
Rick
Rick
HVAC Supervisor
25,433 satisfied customers
Having a problem with a XV90. There is a call for heat the
Having a problem with a XV90. There is a call for heat the inducer motor starts then the system fires up but then shuts down in 10-15 seconds. There are no alert lights flashing only the steady red fl… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a 4 year old furnace with a lennox 78m4701 circuit
I have a 4 year old furnace with a lennox 78m4701 circuit board. The heater will start up and run for about 5 minutes (fast blinking red and green then red goes out and the green fast flashes) then tu… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I have a 1990 Lennox Gas Fired forced air furnace, natural
I have a 1990 Lennox Gas Fired forced air furnace, natural gas, rated 100,000 BTU. My issue is that running the thermostat above 70 degrees for around 15-30 mins, the burner turns off but continues to… read more
KenCan
KenCan
Vocational, Technical or Trade Scho
111 satisfied customers
My roof top natural gas heater does not ignite. It is a Rheem
My roof top natural gas heater does not ignite. It is a Rheem 3.5 ton combined unit with electric A/C which is two years out of warranty. We are out of work and can't afford an expensive repair bill s… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,936 satisfied customers
Ok, problem is the blower. When the t-stat calls for heat the
Ok, problem is the blower. When the t-stat calls for heat the blower does not start. I have 28 volts on the transformer. A few days ago the blower motor was working but the fan did not kick in. There … read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
have 3 gas fired unit heaters that occasionally trip the blocked
have 3 gas fired unit heaters that occasionally trip the blocked vent/spillage sensors, shutting off the unit. Have checked the vents- very little debris in the uptake elbow, and a small accumulation … 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

7,634 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