HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I have a York furnace with 3 red flashing lights. I check
I have a York furnace with 3 red flashing lights JA: Did you check the furnace's filters? Customer: yes JA: Do you plan on doing the work yourself? Customer: yes JA: Anything else we should know to he… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Have a trane xe 1000 ac unit not working correctly, first
Have a trane xe 1000 ac unit not working correctly, first noticed that unit was humming only and no fan working . Banged on outside of unit and fan started working , cold air blowing fine ,according t… read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
I have a Goodman GMT090-4A furnace that will not fire up. I
I have a Goodman GMT090-4A furnace that will not fire up. I see 3 blinking lights on main board. I checked ignitor ok at 80 ohms but thought to replace so did that. Unit is eleven years old replaced f… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I would really appreciate some advice on wiring a Aprilair
I would really appreciate some advice on wiring a Aprilair 500m with a manual control to an airease furnace. There I'm pretty sure one of the yellow wires on the solenoid goes to the manual control bu… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My Aprilaire 700 humidifier worked last winter but doesnt
My Aprilaire 700 humidifier worked last winter but doesn't seem to be working now. When I put the unit in test/reset, the "change Water Panel" light comes on. However, even with the air handler blowin… read more
Mike
Mike
Service Tech/ Installer
High School or GED
149 satisfied customers
I have a model 90 home humidifier hooked into our forced air
I have a model 90 home humidifier hooked into our forced air central heating. Bought the house 4 years ago, and this unit has been sporatic all along. Last year I replaced the torque motor, but just i… read more
caleb
caleb
63 satisfied customers
the AC is not blowing on the second level of the house, it
the AC is not blowing on the second level of the house, it shows 84 degree and set at 78. Checked main electrical panel, all looks good. Checked outside units, both fan are working; what do you recomm… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
we have a suprema 60, after a freeze up it fails to light.
we have a suprema 60, after a freeze up it fails to light. we replaced the pcb, which didn't solve the problem, and now replaced the 3-way divertor valve, and still it doen't light up, any suggestions… read more
Rick Ridley
Rick Ridley
UK Heating Engineer
30 years on the tools
871 satisfied customers
Hi! I have a problem with my Honeywell RTH2310. I replaced
Hi! I have a problem with my Honeywell RTH2310. I replaced the batteries in it and now I can't get the heat back on.… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
I have an oil fired heating system with a seperate hot water
I have an oil fired heating system with a seperate hot water heater and a wall mounted digital thermostat and an Argo humidstat next to it..my problem is this..the only time my heat will go on where I… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
Trying to install a Honeywell RTH6350 5-2 programmable thermostat.
Trying to install a Honeywell RTH6350 5-2 programmable thermostat. Old system was a Simple Comfort. Old wires were Blue to C, Red to R, Orange to O, Green to G, White to E, Yellow to Y1. New wires Whi… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
Im adding an Aprilaire model 700 humidifer to my Trane furnace,
I'm adding an Aprilaire model 700 humidifer to my Trane furnace, model # XXXXX The humidstat wiring shows terminals R,C,A,B,ODT,W,G,H,H,Gf. A and B are not used, ODT is the outdoor temp sensor, H,H ar… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I have a 22 year old Trane 800 heat pump, it was running fine
I have a 22 year old Trane 800 heat pump, it was running fine the other night and when i got up the next day it had frost all over the inside coils on the air handler and frost was also covering one o… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
Humidifier is on and fan is working and there is no water gathering
Humidifier is on and fan is working and there is no water gathering in the tank. What am I doing [email protected]… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a GMPN 120-5 REV 8 Serial No XXXXXXXXXX It will
I have a GMPN 120-5 REV 8 Serial No XXXXXXXXXX It will not lite the little red light that tells you what is wrong comes on for a few seconds then starts flashing three times then pauses then flashes t… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a Honeywell H46C1000 humidstat that was connected to
I have a Honeywell H46C1000 humidstat that was connected to a White Rogers T-stat, 1F83-261. It is now disconnected and I wouild like to reconnect too the T-stat for humidity control. Thanks.… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
I am blowing the 5amp fuse for the control voltage on my heat
I am blowing the 5amp fuse for the control voltage on my heat pump. I changed out the contactor on the outside unit. Im wondering if the problem could be a bad thermostat. Honeywell TH5220D1003. Could… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My Aprilaire Humidifier stopped working....no water coming
My Aprilaire Humidifier stopped working....no water coming through the the drain hose...The outside temperature had gone up to 73 degrees, so the furnace wasn't running..When the furnaced finally kick… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 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