HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a continuous, steady red flashing light. The outside
I have a continuous, steady red flashing light. The outside fan does not turn on. I have replaced the capacitor,the fan motor, and cleaned the contacts on the relay switch and it STILL won't turn on. … read more
airheatman
airheatman
HVAC Technician
9,703 satisfied customers
My furnace is not starting along with fan is not running on
my furnace is not starting along with fan is not running on unit but green light is flashing showing system ok … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
our upstairs heater is not operating but our downstairs still
our upstairs heater is not operating but our downstairs still seems to work. You can hear the thermostat kick on but the heater isn't operating.… read more
Appliance Guru
Appliance Guru
18,655 satisfied customers
I have a Rheem RGPH-07EAMGR, with an intermittent problem.
I have a Rheem RGPH-07EAMGR, with an intermittent problem. Most of the time it will not work, but once every so often the system will work. It's kicked my butt enough. When a call for heat is made, th… read more
heatncoolrepair
heatncoolrepair
Former HVAC Service Technician
Vocational, Technical or Trade Scho
75 satisfied customers
THere is an indicator light above the filter housing in my
THere is an indicator light above the filter housing in my brother's lennox heater. He replaced the filter today and the light is red and green. What is this about? What is it trying to tell my brothe… read more
Appliance Guru
Appliance Guru
18,655 satisfied customers
So I have a Arcoaire Modle EXD36F19C2 Serial # XXXXX
So I have a Arcoaire Modle EXD36F19C2 Serial # XXXXX Its throwing a 3 flash code. When in the heat mode the heater does not kick on. If you turn the switch on the theromstate to fan or AC, The blower … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
We have a Honeywell FocusPRO RH6000 Series thermostat in our
We have a Honeywell FocusPRO RH6000 Series thermostat in our home that was installed Jan. 1, 2008. We have two problems: First: Yesterday morning the furnace did not kick in as it is programmed to do … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I have a Coleman Evcon Furance in a moble home . Model # dlaso75bdd.
I have a Coleman Evcon Furance in a moble home . Model # XXXXX When we check it out the furance would light and burn for while, then go out, then the fan kept going on and off so we bumped the circuit… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I have a Payne PG8MAA. The Blower will turn on shuts off and
I have a Payne PG8MAA. The Blower will turn on shuts off and then nothing. The LED is a solid red. It did this about a week ago and then just started working after being left for about a day. Usually … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
coleman furnace, 6 red light flashes on mother board, mother
coleman furnace, 6 red light flashes on mother board, mother board was replaced just a few years ago. Burner comes on for about 15 seconds and then kicks off. If I turn the furnace on and off a couple… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
Cusromers Nordyne pilotless futnace wont come, shws b
Cusromer's Nordyne pilotless futnace won't come, shws boyj a green and red light. Down in the 20's tonight. Help???… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Trane XE90 Furnance has a continually blinking red light next
Trane XE90 Furnance has a continually blinking red light next to DS1 on board when running heat. This is with door off and unit running.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
I have a paloma tankless ptg-74pvn and the unit does not kick
I have a paloma tankless ptg-74pvn and the unit does not kick on at all, it worked this morning before i went to work but when I came home to demand hot water it doesn't kick on. The bath remote quit … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Carrier 58MVB080-F-10114 and I am connecting the SY
Hi, My father in law purchased us a 58MVB080 a while back and I hooked up a cheap $20 thermostat. Last week a friend came by and educated me that I should really have a SYSTXCCUD01-B installed to take… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
one the bottom half of our furnace (a Trane high efficiency
one the bottom half of our furnace (a Trane high efficiency two stage XL80) there is a clear circle.....there is now a constant blinking red light here in this circle. what does this mean? we recently… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,875 satisfied customers
i have a coleman gm9s080c16up11a high neffeinceny gas furnace
i have a coleman gm9s080c16up11a high neffeinceny gas furnace it blinks a code saying the limit swicht is bad has been replaced my local heating now says bad circuit board ist brand new he installed h… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
I have a coleman evcon residential furnace everything operates
I have a coleman evcon residential furnace everything operates and the blower kicks on at low speed and then the unit shuts off with an error code of High Aux. or Spill Limit Switch Open. What does th… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
I own a six year old Trane XR-80 furnance. Last week I realized
I own a six year old Trane XR-80 furnance. Last week I realized when I awoke one morning and the house was COLD that the furnace was not working properly. I see that the CNT-3798 control board has an … read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 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