HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Static shock to thermostat and have a code 11. Running
Running earlier and started flashing with static shock … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
We have an Aprilaire 8466 Thermostat less than 1 year old.
we have an Aprilaire 8466 Thermostat less than 1 year old. My wife discharged static electricity when attempting to change the temperature and the thermostat went blank. Changed the batteries, hit the… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
Have an Aprilaire Model 8334. Changed batteries. Still wont
Have an Aprilaire Model 8334. Changed batteries. Still wont turn on. One on floor below is fine and have heat on that level … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,062 satisfied customers
I have a Honeywell thermostat which controls my Haier
I have a Honeywell thermostat which controls my Haier hr48d1var outdoor heat pump/act unit. The cool indicator is continuously flashing and the ac won't kick on. I tried taking the batteries out until… read more
Charles Bodenheimer
Charles Bodenheimer
Owner
Associate Degree
78 satisfied customers
The display on my carrier infinity thermostat quit working
the display on my carrier infinity thermostat quit working so I don't know what temp setting etc is when I touched the unit this morning there was static electricity and the display readings went out … read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,375 satisfied customers
How do I restart my 8444 Aprilaire thermostat? I turned the
How do I restart my 8444 Aprilaire thermostat? I turned the AC mode selection off for several days. Now when I press any buttons, There is no reading/message available. I have replaced the batteries a… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have an Aprilaire Model 8476. This morning, as I walked
I have an Aprilaire Model 8476. This morning, as I walked towards the unit to adjust the temperature, I zapped it with static electricity. The display froze. None of the buttons worked. I removed the … read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Two units, two problems. Downstairs unit showing OVERIDE
Two units, two problems. Downstairs unit showing OVERIDE flashing and EMER HEAT PUMP lit on Ritetemp 8050C. Not heating....reset and is heating but still showing same codes. Upstairs unit not shutting… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have an aprilaire 8463 . The screen is blank replaced batteries
I have an aprilaire 8463 . The screen is blank replaced batteries with 2 different sets and the screen remains blank. Is the thermostat broke or is there something I can do to reboot the thermostat? I… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
I have an Aprilaire 8463 that had a blank display. I checked
I have an Aprilaire 8463 that had a blank display. I checked the batteries, fine, hit reset the display lite up completely every digit display. When into normal mode, flashed off, flawed a couple more… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
I turned the furnace off (Carrier Model 59SC2B) at the breaker
I turned the furnace off (Carrier Model 59SC2B) at the breaker to install a Nest thermostat (not my first install) and now the furnace will not turn on. Does it have a pilot to restart? How do I resta… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
have 2 Aprilaire Thermostat model 8444...both showed replace
have 2 Aprilaire Thermostat model 8444...both showed replace battery message....downstairs works fine...when replacing upstairs (no digital readings?)...batterys are new....rest button hit....still no… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
My thermostat is blinking "hold 70" so that I cant manually
My thermostat is blinking "hold 70'" so that I can't manually override the system to turn it up or down - the ac has been working fine all day but when I went to check the batteries in the thermostat,… read more
Appliance Guru
Appliance Guru
18,994 satisfied customers
I have an aprilaire zone control system with a thermostat on
I have an aprilaire zone control system with a thermostat on the main level and another one upstairs. The upstairs thermostat was blinking low battery today so I changed out the batteries. The thermos… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,375 satisfied customers
turned my lennox G23 series furnace on it fired up started
turned my lennox G23 series furnace on it fired up started heating for about 20 min. then the flame went out fan started blowing cold air and my digital thermostat went blank… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have honeywell thermostat....it was flashing.....so i took
I have honeywell thermostat....it was flashing.....so i took it off and turn batteries backwards to reset.......n then put batteries right way and put it back on.....Fan comes on when in on postion bu… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I touched my Aprilaire Model 8363 Thermostat last night and
I touched my Aprilaire Model 8363 Thermostat last night and created a static spark. It now flashes between "11" and every number on the screen. I cannot set the time, program, or most importantly, tur… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
My Aprilaire thermostat #8363 shows nothing on the display
My Aprilaire thermostat #8363 shows nothing on the display and that zone is not working. May have replaced batteries with out of date batteries, new batteries in now. How do I reset?… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 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