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 Lennox system with the S30 thermostat and the
Hi, I have a Lennox system with the S30 thermostat and the screen is blank, can't do anything with it. … read more
J Peart
J Peart
Plumber
Journeyman Plumbing
14 satisfied customers
MY thermostat screen is blank and the unit is not working. I
MY thermostat screen is blank and the unit is not working. I changed the batteries. No difference. I do not have the manual booklet that came with the unit. Can you help me trouble shoot to find the p… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,072 satisfied customers
Icomfort display thermostat screen is black, i can't control
i can't control the thermostat since the screen is blank. Last night the air was on and a breaker tripped so I fixed that but the screen on therm then went blank … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,072 satisfied customers
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
401 satisfied customers
My Honeywell thermostat is blank on the screen. Furnace is
My Honeywell thermostat is blank on the screen. Furnace is not working. Tried the fuse to the furnace and nothing happened. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,072 satisfied customers
My thermostat screen is blank. I changed the batteries and
My thermostat screen is blank. I changed the batteries and it's still blank. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,428 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
225 satisfied customers
My carrier thermostat screen went blank and them once I
My carrier thermostat screen went blank and them once I replaced the batteries it kicked on to AC but screen is still blank … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
My thermostat's screen went blank, as if it stopped working,
well, I don't think the engine of the HVAC is responsding to anything as long as the thermostat is not working … read more
HvacmanSean
HvacmanSean
Owner
HVAC
234 satisfied customers
We have a Gibson Central Air unit: GB5BM-T25K-A-10. After
We have a Gibson Central Air unit: GB5BM-T25K-A-10. After not having it on all winter, I turned it on and nothing happened. I noticed the battery light flashing in the thermostat and so I replaced the… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
Phil my name is ***** *****. I have a Honeywell thermostat.
Customer: phil my name is ***** *****. I have a Honeywell thermostat. The screen said "change battery" so I opened the back side unit that holds the two AA batteries and took them out. Put in two new … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
My thermostat screen went blank. I'm wondering that I need
My thermostat screen went blank. I'm wondering that I need to change the batteries? Correct?… read more
Appliance Guru
Appliance Guru
21,430 satisfied customers
focuspro 6000 the screen went dark. just the 3 boxes in outline
focuspro 6000 the screen went dark. just the 3 boxes in outline at the bottom no words just blank and dark. I changed the batteries. does not turn on… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,387 satisfied customers
My Honeywell thermostat screen where usually the temperature
My Honeywell thermostat screen where usually the temperature appears has gone blank. When I had it installed about a year ago, the technician said that could happen and he told me what to do. But now … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,072 satisfied customers
My thermostat screen is blank. Have checked battery and changed
My thermostat screen is blank. Have checked battery and changed them. It was on 81 and I turned it down and it went blank. Please help. Thank you.… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I installed a new thermostat both upstairs and downstairs.
I installed a new thermostat both upstairs and downstairs. Both were working initially but now the upstairs thermostat is not working. It appears it may be lacking power? I tried to reinstall the old … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,387 satisfied customers
We have model #1F78 thermostat. Weve had our thermostat in
We have model #1F78 thermostat. We've had our thermostat in the off mode, today due to the weather we turned it to the heat mode. Nothing happened. We tried the program button, run button, hold button… read more
Heath Moyer
Heath Moyer
1,069 satisfied customers
My thermostat is 2 years old. It stopped working. The screen
My thermostat is 2 years old. It stopped working. The screen went blank, except for the ditigal outline of the screen. It never had batteries. I took the cover off and put two batteries. The thermosta… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 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