HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
RE Lennox EL296UHV furnace. When thermostat calls for heat,
RE Lennox EL296UHV furnace. When thermostat calls for heat, inducer motor starts up and then 5 seconds later is a loud moaning groaning sound for about 12-15 seconds. This sound then goes away when ig… read more
Cliff
Cliff
HVAC Manager
Associate of Applied Science
370 satisfied customers
My Lennox elite series furnace sometimes doesn't come on. If
My Lennox elite series furnace sometimes doesn't come on. If I flick the breaker switch for it on the fuse box it comes back on for a few cycles, sometimes for a few hours or days but then will do it … read more
airheatman
airheatman
HVAC Technician
6 years college
11,711 satisfied customers
Honeywell thermostat went blank - AC shut off. Breakers ok.
Honeywell thermostat went blank - AC shut off. Breakers ok. Pulled therm off wall noticed no batteries (must get power from unit) put in 3 AAA batteries and therm works and set to cool but not coming … read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,265 satisfied customers
I have a model RTH2310 - 2 days ago I changed the batteries,
I have a model RTH2310 - 2 days ago I changed the batteries, and now I cannot get the furnace to come on. This happened the last time I changed the batteries as well. The last time the furnace did com… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,115 satisfied customers
Hello-I have two carrier units (one upstairs, one down) and
Hello- I have two carrier units (one upstairs, one down) and Carrier thermostats. Yesterday we had a power surge and the downstairs unit is no responding. I get a code HP when I turn it to Auto mode a… read more
hvacexpertjoe
hvacexpertjoe
Electronics Technician
Vocational, Technical or Trade Scho
186 satisfied customers
Have a Totaline FlatStat P374-1100FM Thermostat for the house.
Have a Totaline FlatStat P374-1100FM Thermostat for the house. Actually have 2 of them for two different regions. One has no power to it as nothing appears on the screen. Is there a battery that needs… read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,265 satisfied customers
I have a Honeywell th3110d. I have electric turned on the back.
I have a Honeywell th3110d. I have electric turned on the back. It was working fine till 11:00 last night then it just shut off. The display will only come on if I put the AA batteries in it, which I … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,115 satisfied customers
My Totaline P474-0100 display is no longer turning 'on', it
My Totaline P474-0100 display is no longer turning 'on', it is simply blank & 'not' lit up like it should be. How do I fix this? My house temp is hot at like 88 degrees, but the A/C won't kick in beca… read more
Jerry
Jerry
Plumber
High School or GED
1,904 satisfied customers
We have just moved into a rental house that has a TH5110D1003
We have just moved into a rental house that has a TH5110D1003 with additional numbers 0539 on battery case. We do not seem to be able to get the temperature to go higher than 23C no matter what we set… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
My Lennox Merit Series Furnace stopped coming on last night.
My Lennox Merit Series Furnace stopped coming on last night. What do you think is happening, and what can I do to fix it before the temp drops outside this weekend? Last night my furnace stopped turni… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,416 satisfied customers
HVAC Issue - No Power to System Last night I went to replace
HVAC Issue - No Power to System? Last night I went to replace my existing programmable thermostat, which was working but wasn't accurately reading the room temperature, with a new one. I turned off th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,305 satisfied customers
Replaced batteries in my Honeywell TH5220D thermostat and now
Replaced batteries in my Honeywell TH5220D thermostat and now i cannot get anything (heat, cooling, or fan) to come back on. Checked the breakers and everything seems to be fine there.… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I am changing my thermostat and I have a lennox merit series
I am changing my thermostat and I have a lennox merit series furnace and a RUDD air conditioner...I have 6 wires coming out of the wall Green, Brown, Blue, Black, Red, Orange. The conections on the th… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
What has happened when the Thermostate goes blank and there
What has happened when the Thermostate goes blank and there are no batteries in the Thermostate? There appears to be no power to the controls.… read more
Bill
Bill
High School or GED
318 satisfied customers
My question is when temperatures drop low enough for the heat
My question is: when temperatures drop low enough for the heat pump to drop out {0 celisus} & the furnace to cut in, what should I be seeing? What I am now experiencing is at times the furnace will ru… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
i sent a question last saturday about an amana furnace problem.
i sent a question last saturday about an amana furnace problem. did yoy receive it? angie cunningham… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
Hi there..I live in Ohio..when I came home last night house
Hi there..I live in Ohio..when I came home last night house was freezing..my thermostate (Honeywell RTH111/RTH221) was displaying a screen of nonsense characters and furnace won't go on.. I tried to h… read more
Rick
Rick
Supervisor
28,033 satisfied customers
I have a programmable Thermostat just purchased and a Lennox
I have a programmable Thermostat just purchased and a Lennox gas furnace. When switching thermostat from off to on/auto the furnace will kick on and warm up to temperature. Once it shuts off then, it … read more
hvacmrfixit
hvacmrfixit
disabled
Vocational, Technical or Trade Scho
118 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