HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
I have a York furnace not heating. I'm getting 6 blinks on
settings good, filters are good, there's 24V AC I think it depends on what's entailed … read more
Rick
Rick
Supervisor
28,058 satisfied customers
Nest Themostat. when I get home and its cold starts out at
Nest Themostat. when I get home and its cold starts out at 62 degrees stays on to 64 degrees then shuts off. Then I have to keep readjusting to get it to above 70 for the night … read more
Patrick
Patrick
Bachelor's Degree
2,945 satisfied customers
35 year old gas furnace just stopped running. I can
35 year old Bryant gas furnace just stopped running. I can hear/feel power to it. No fan, no gas valve, no igniter. Thermostat is calling for heat. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,815 satisfied customers
Our propane furnace is acting weird. It turns on, works for
our propane furnace is acting weird. It turns on, works for maybe five minutes, and then turns off. almost immediately, we can hear the motor whirring to turn back on, and it's on for about five minut… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,815 satisfied customers
I have two Trane XE80's (side by side) in a new house I
I have two Trane XE80's (side by side) in a new house I moved into this summer. About two weeks ago, I opened them up to check the filters; all burners in both units were on. A couple days later, I ch… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,815 satisfied customers
I have a Plus 80v furnace that won't start. It has a solid
I have a Bryant Plus 80v furnace that won't start. It has a solid yellow led on. Fan works. Thermostat works. Fuse is good. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,308 satisfied customers
I have a similar issue where I was replacing a working
I have a similar issue where I was replacing a working thermostat with a nest thermostat and the nest thermostat states there is no power to the Rh wire. I replaced the blown fuse and now the fan is w… read more
D.E. Anderson
D.E. Anderson
Industrial Refrigeration Service Manager
200 satisfied customers
I have an old Williamson Tempomtic has furnace. When I set
I have an old Williamson Tempomtic furnace. When I set the thermostat to anything less than 70 degrees the furnace works properly. If I set it to anything above 70 it will run for a minute or two and … read more
Rick
Rick
Supervisor
28,058 satisfied customers
I cut my thermostat on to heat this year for the first time.
I cut my thermostat on to heat this year for the first time. The thermostat is a mercury type circular one. It actually glowed for a few seconds and then wouldn't turn on the heat after. I thought it … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,815 satisfied customers
I have a Texas Furnace Mod VSA 072 NH3R Sometimes this happens: Normally
I have a Texas Furnace Mod VSA 072 NH3R Sometimes this happens: Normally the exhaust blower comes on, then the burner comes on, after is runs then the blower for the air ducts comes on. This is normal… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,308 satisfied customers
I have a York furnace g8c/fg8 series. it kicks on but is not
I have a York furnace g8c/fg8 series. it kicks on but is not making heat. A red light blinks 7 times. how can I fix this?… read more
Jerry
Jerry
Plumber
High School or GED
1,904 satisfied customers
I have a Bryant 355MAV heating and cooling system. My troubleshooting
I have a Bryant 355MAV heating and cooling system. My troubleshooting LED lights that blink 2 yellow and 4 green tell me (according to the panel) that my secondary voltage fuse is open (24V) wiring (a… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
the burner on my 12yr old york furnace comes on but goes out
the burner on my 12yr old york furnace comes on but goes out within 5 seconds. no codes present-replaced flame sensor anyway-no difference-direct wired thermostat(R&W wire) no difference. control unit… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
armstrong air furnace blower turns on and off during heat cycle
armstrong air furnace blower turns on and off during heat cycle burners stay on then after thermostat shuts it down it may or may not come back on i heat thermostat click but nothing happens… read more
Mike
Mike
Service Tech/ Installer
High School or GED
153 satisfied customers
I have a trane furnace with no heat. It has a white-rodgers
I have a trane furnace with no heat. It has a white-rodgers 50A55-843 furnace control board with a slow continuoulsy blinking light. When I try to kick the heat on it there is a humming sound that com… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,308 satisfied customers
My Bryant high efficiency programmable thermostat that was
My Bryant high efficiency programmable thermostat that was newly installed 4/04 is acting up. When my setting is at 70 degrees, the house temp is going lower. when I raise the temp up to 75 the furnac… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Thermostat set to 74, furnace does not come on. Furnace comes
Thermostat set to 74, furnace does not come on. Furnace comes on later, burns for less than a minute, the flame goes out. Fan keeps running, blowing cold air, then stops. Is the problem with the therm… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,308 satisfied customers
Our York Diamond 80 Furnace seems to be on the fritz. The thermostat
Our York Diamond 80 Furnace seems to be on the fritz. The thermostat seems to be working ok,.....and the unit tries to start. The fan motor operates, and the unit begins to heat up,...but it sounds li… read more
HVAC22
HVAC22
Residential Service Team Supervisor
High School or GED
32 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

10,742 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