HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

My heating unit went off. How do I turn it back on? Nothing…

Customer Question
My heating unit went...

My heating unit went off. How do I turn it back on?

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

Yes. nothing shows on the screen.

Contractor's Assistant: Do you plan on doing the work yourself?

Yes

Submitted: 8 months ago.Category: HVAC
Show More
Show Less
Ask Your Own HVAC Question
Answered in 19 hours by:
11/22/2017
HVAC Technician: D.E. Anderson, Industrial Refrigeration Service Manager replied 8 months ago
D.E. Anderson
D.E. Anderson, Industrial Refrigeration Service Manager
Category: HVAC
Satisfied Customers: 200
Experience: 15 years experience. Design, install, service of residential & commercial hvac/r equip.
Verified
Hi, how are you? Can you provide the model and brand of your equipment? Have you checked your breakers? Thanks
Ask Your Own HVAC Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a hvac technicianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Phil Your Own Question
Phil
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 7,426
7,426 Satisfied Customers
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial

Phil is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

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

7,426 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 >

Related HVAC Questions
I have a Honeywell, RTH7600, RET97 programmable thermostat.
I have a Honeywell, RTH7600, RET97 programmable thermostat. No problem for 2 years. Had to change to new batteries and after changing to heat and temp, nothing happens. I hear the clicking for the hea… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
COOLING WASN'T WORKING. LOOKED AT THERMOSTAT, IT WAS BLANK,
COOLING WASN'T WORKING. LOOKED AT THERMOSTAT, IT WAS BLANK, NOTHING SHOWING. TOOK IT OFF THE WALL AND LOOKED AT THE BACK. THE 3 BATTERIES WERE CHORODED LIKE I HAVE NEVER SEEN BEFORE. CLEANED THE TERMI… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a Lennox CBX32MV03623061 Hvac that responds to change
I have a Lennox CBX32MV03623061 Hvac that responds to change from heat to cold but not to temperature change or to off. Thermostat is new. And does this model have auxiliary heat?… read more
Heath.M
Heath.M
Refrigeration Mechanic
Vocational, Technical or Trade School
223 satisfied customers
My Honeywell thermostat went out and i had to replace the batteries.
My Honeywell thermostat went out and i had to replace the batteries. The thermostat now works but the ait won't come one. I turned the system off and left off for 10 min but it still won't come on. Is… read more
Stingray
Stingray
3 satisfied customers
I came home about a half hour ago and my house seemed cold. The thermostat says its 68 but
I came home about a half hour ago and my house seemed cold. The thermostat says its 68 but when I went to raise the temp or push any of the buttons nothing happens it appears the screen is frozen. My … read more
Appliance Guru
Appliance Guru
18,199 satisfied customers
Hi, my Powermax HE boiler central heating is not working, hot water is
Hi, my Powermax HE boiler central heating is not working, hot water is ok and I don't know why. I went away for 2 weeks and completely turned off the main switch. Now I'm back, turned on the unit, hot… read more
Andrew Smith
Andrew Smith
General Manager
Vocational, Technical or Trade Scho
568 satisfied customers
My fan is stuck on the "ON" position on my touchscreen (P)X4146
My fan is stuck on the "ON" position on my touchscreen (P)X4146 programmable thermostat. How do I get the screen to respond to my touch again?… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
How do you access the Reset Maintenance Reminder parameter
How do you access the Reset Maintenance Reminder parameter on a model 81-286 Locinvar boiler? I know after 50,000 - 100,000 cycles the Maintenance Reminder turns the LCD to yellow. I want to disable t… read more
Heath.M
Heath.M
Refrigeration Mechanic
Vocational, Technical or Trade School
223 satisfied customers
Our white-rodgers thermostat is not activating the heater.
Our white-rodgers thermostat is not activating the heater. There is power to the thermostat but non of the buttons respond. There was a battery low sign so we changed the batteries but nothing has cha… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
my electricty went off - now all is on except the furnace -
my electricty went off - now all is on except the furnace - I've tried the fuse box - the thermostat shows nothing… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a Honeywell TH5110D1006 thermostat. It showed low battery
I have a Honeywell TH5110D1006 thermostat. It showed low battery for a day or so, and then the heat went off on the screen went blank. I changed the batteries, but the screen never came back on. The h… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My power was off for 1 day, it came back on then the screen
My power was off for 1 day, it came back on then the screen of my th8000 thermostat went blank. It keeps getting hotter in my house, now 80+degrees and the screen won't respond. What should I do?… read more
Charles
Charles
Owner
FCC Communication License
20 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
Heath
Vocational, Technical or Trade Scho
1,027 satisfied customers
Have a gas fed HVAC system. Two days ago, the system would
Have a gas fed HVAC system. Two days ago, the system would not turn on (even while the thermostat shows the "flame" for the unit to kick the heat on). Went and checked the breaker, and nothing tripped… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 satisfied customers
When I raised the set temperature on my thermostat the screen
When I raised the set temperature on my thermostat the screen showed the temperature and Hold, then changed to Hold -AC. I followed manual instructions to change the batteries, but removing the screws… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
596 satisfied customers
i am having a problem with my therm-o-stat. i pushed the mode
i am having a problem with my therm-o-stat. i pushed the mode button to turn on the heat and the screen went blank. it is now showing nothing. before i pushed the mode botton it was showing a temperat… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a Honeywell Thermostat, model no. CT3200. I have not
I have a Honeywell Thermostat, model no. CT3200. I have not run the air or heat for at least 3 months, but I went to turn the heat on, and noticed the "bat lo" indicator was on the screen. I changed t… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
We have a honeywell CT3611R thermostat for about 2 years or
We have a honeywell CT3611R thermostat for about 2 years or so. Our system has been working fine, both air and heat..suddenly nothing. The fan can be turned on manually and there is power to the unit,… 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.

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