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 know nothing about A/C and heating...but here goes. Our
I know nothing about A/C and heating...but here goes. Our thermostat just went dead. Screen is blank. It's Carrier TP PAC01 … read more
Scott
Scott
Self Employed HVAC Service Technician
Associate Degree
400 satisfied customers
I have a carrier a/c. After a short power outage this
I have a carrier a/c. After a short power outage this morning, my a/c won't come on. The thermostat seems to be stuck. There is a display, but it can't be changed. … read more
Michael Ferryman
Michael Ferryman
110 satisfied customers
My Carrier thermostat screen is blank. Nothing was running,
My Carrier thermostat screen is blank. Nothing was running, no heat. So I went to turn on /up the heat when I noticed the blank screen … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
I have carrier furnace/ac 2002 residential. I turned it off
I have carrier furnace/ac 2002 residential. I turned it off a week ago via the thermostat and now I just have a blank thermostat. It doesn't require batteries and I have. Hacked the breakers and the f… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,966 satisfied customers
I have a carrier thermostat p/n 33cs220-fs and the display
i have a carrier thermostat p/n 33cs220-fs and the display is blank after a power outage. the a/c fan seems to be on but not cooling. breakers were reset and this model does not have batteries or on o… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,114 satisfied customers
I hit the up arrow to raise the temperature 1 degree and I
I hit the up arrow to raise the temperature 1 degree and I accidentally hit the box a little hard. the screen went dark and I don't know how to turn the themostat back on… read more
Appliance Guru
Appliance Guru
18,977 satisfied customers
Hello. I have an Carrier infinity thermostat. All the thermostat
Hello. I have an Carrier infinity thermostat. All the thermostat displays in the house went blank. All the lights in the house seem to work. I checked all the circuit breakers and seem fine. What coul… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,114 satisfied customers
Our honeywell thermostat suddenly stopped working. It is
Our honeywell thermostat suddenly stopped working. It is less than a year old and has been heating and cooling fine in the past. We noticed the screen was blank this evening. It didn't have batteries … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,233 satisfied customers
Hello, I have a 2004 Bryant / Carrier gas heat, electric cooling
Hello, I have a 2004 Bryant / Carrier gas heat, electric cooling unit that appears to be loosing 24vac to the thermostat while the heat is running, I replaced the thermostat and setup the new one to a… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,114 satisfied customers
I have a White Rodgers digital thermostat and it does not appear
I have a White Rodgers digital thermostat and it does not appear to be triggering the furnace to come on. I switched the setting to "cool" from heat and the AC did not come on either. I had to replace… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
MY CARRIER THERMOSTATS DISPLAY GOES BLANK. IT HAS DONE THIS
MY CARRIER THERMOSTATS DISPLAY GOES BLANK. IT HAS DONE THIS TWICE NOW IN ABOUT A YEAR. I PUSH A COUPLE OF BUTTONS AND IT COMES BACK WITH ALL AREAS FILLED IN AND THEN RETURNS TO THE NORMAL SETTINGS. I … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
My Carrier thermostat -- Infinity system - has a blank screen.
My Carrier thermostat -- Infinity system - has a blank screen. When I press the heat button a small LED light comes on and when I open the door the screen lights but it is blank and then goes off afte… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,114 satisfied customers
Having problems with my 58STA/STX model Carrier furnace. The
Having problems with my 58STA/STX model Carrier furnace. The thermostat screen started going blank on and off for this past week. Lasts only a few moments, then comes back on with "HC" on the screen f… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,966 satisfied customers
My husband tried to shut off the heat on our totaline programmable
My husband tried to shut off the heat on our totaline programmable thermastat and now it won't go back on. He just kept pushing all the buttons until it went off. There is no readout on the screen. Ho… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
My thermostat display on Carrier heater/AC unit is blank. It
My thermostat display on Carrier heater/AC unit is blank. It is electric, not gas. I checked the breakers, they are fine. The filter was dirty, so I changed it. The display does not use batteries. How… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,966 satisfied customers
We have a Lennox heat pump and the theremostat is causing problems.
We have a Lennox heat pump and the theremostat is causing problems. It "locks" up. I have been able to restart it by turning off the electrical breaker, but today that does not fit the problem. The di… read more
DuWayne
DuWayne
Sales/ Service
Vocational, Technical or Trade Scho
126 satisfied customers
I have a carrier programable theromstat that I shocked with
I have a carrier programable theromstat that I shocked with my finger when touching it and it blanked out. I turned the power on and off to the unit and it came back on but is not responding to any of… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have a Carrier air handle that seems to power down for no
I have a Carrier air handle that seems to power down for no apparent reason. Have checked power to the unit and is ok. Usually, turning breaker off and back on brings it back to life. This appears to … 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

10,114 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