HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
My problem is the furnace will not fire up if I bleed the
my problem is the furnace will not fire up if I bleed the oil line, sometines twice. the furnace will fire up and run untill the thermosat shuts down. It will not fire up again untill I bleed the line… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Help! I have a intertherm m2rl 100a 16bn furnace and it's
Help! I have a intertherm m2rl 100a 16bn furnace and it's working intermittently. I opened it and it has a red light on the circuit board. … read more
Rick
Rick
HVAC Supervisor
28,887 satisfied customers
Have a CMF 100. It started acting up about 5 yrs ago.It
Have a Miller CMF 100. It started acting up about 5 yrs ago.It fires right up. The fan will come on and run and the burner will kick off for about 2 minutes. the fan continues to run and the burner wi… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Have a 395CAV048111AGJA 80% furnace that runs then shuts
Have a Bryant 395CAV048111AGJA 80% furnace that runs for 24hrs then shuts off. also noticed that when furnace fires off draft inducer stays running is that normal operation?heater, coil,and 30"plentum… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Billy, it looks as though I have an ignition problem with the
Billy, it looks as though I have an ignition problem with the Beckett furnace. I've tried the :15 reset as well as the :30 sec hard reset. Both attempts end up in the "flashing green light" turning of… read more
Rick
Rick
HVAC Supervisor
28,887 satisfied customers
Lenox Furnace model 80UHG3-75A-2. Top led green light on,
Lenox Furnace model 80UHG3-75A-2. Top led green light on, bottom led green light flashing every second. Gas burners do not come on but cool air moving. Just turned on heat this week. Please advise wha… read more
Rick
Rick
HVAC Supervisor
28,887 satisfied customers
I have a Honeywell RTH7600 Programmable Thermostat. I have
I have a Honeywell RTH7600 Programmable Thermostat. I have an fairly new oil furnace. The problem I have is that the thermostat keeps coming on at a 1 degree temperature change which is way to much as… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,390 satisfied customers
have a older goodman model furnace model gd075-3 rev s, i c
have a older goodman model furnace model gd075-3 rev s, i c limit switch rotate and flame kicks on , but blower wont kick on, then flame kicks out… read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
186 satisfied customers
Coleman evcon furnace inducer motor problem, need help!
Hi, my draft inducer motor hums but won't spin unless I give it a good whack. I'm assuming that it's toast and needs to be replaced. Before I replace it, should I try any maintenance (like dousing it … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
How to reset external lockout error code on a Trane furnace?
How do I reset a flashing code 2: external lockout (retries or recycles exceeded)? This is on a Trane heat and AC unit. This occurred after gas was shut off, then turned back on for line reroute.… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,429 satisfied customers
furnace keeps continally running, blowing air and when the
furnace keeps continally running, blowing air and when the LP fires up it is only for a few seconds and kicks off and keeps blowing air?… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Ihave a model NLOD105FF01 oil fired furnace. The burner works
Ihave a model NLOD105FF01 oil fired furnace. The burner works but the blower doesn't. I jumpered across the fan terminals to make sure the fan can run and it did. I don't understand the fan limit swit… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,390 satisfied customers
I have a gas furnace and keep hearing a loud boom type noise
I have a gas furnace and keep hearing a loud boom type noise when it kicks in.. What is that?… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
i have a oil furnace that went out the fan comes on but not
i have a oil furnace that went out the fan comes on but not the blower moter there is no power to the reset box but all breakers are on what may it be… read more
Rick
Rick
HVAC Supervisor
28,887 satisfied customers
hello, i have a rheem 80 plus imperial furnace which appears
hello, i have a rheem 80 plus imperial furnace which appears to operate normally for a couple of days at a time then just recently it started to have issues with the automatic ignition system... i rem… read more
Robert
Robert
Associate Degree
161 satisfied customers
Heat will not kick in. Auto Fan and Cool ok - replaced batteries
Heat will not kick in. Auto Fan and Cool ok - replaced batteries and reset breaker. Just returned from trip - was working fine before.… read more
Rick
Rick
HVAC Supervisor
28,887 satisfied customers
My furnace controller LED is flashing twice and pausing. The
My furnace controller LED is flashing twice and pausing. The legand sticker on the inside panel shows "external lockout, retries or recycles exceeded". What does this code mean and what can I do about… read more
Rick
Rick
HVAC Supervisor
28,887 satisfied customers
I bought an older Free Heat used oil heater and it fires up
I bought an older Free Heat used oil heater and it fires up just fine but after about 5 to 6 min's it shuts down. After it sets for 3 min's it will fire up again on its own for another 5 to 6 min's an… read more
KenCan
KenCan
Vocational, Technical or Trade Scho
111 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

8,427 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

1,029 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.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

< 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