HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Hey Matt, I need your help man. My outside central air fan
Hey Matt, I need your help man. My outside central air fan has no low voltage (24v) coming in it seems. The contactor has two plungers and both are not pushed in with no 24v. If I manually press them … read more
Stingray
Stingray
3 satisfied customers
I have a vivint thermostat and when I try to turn my heat on
I have a vivint thermostat and when I try to turn my heat on the fan comes on. When I try to turn my air on the fan comes on. It is not getting cool or warm.… read more
R.G.
R.G.
318 satisfied customers
My central air unit will not turn on nor the fan go on inside
My central air unit will not turn on nor the fan go on inside or outside. I did check the brakers and replaced the thermostat and it still will not work what could I do now. I am a female that has nev… read more
niro9800
niro9800
Vocational, Technical or Trade School
4 satisfied customers
My central air Rheem unit does not come on anymore. The thermostat
My central air Rheem unit does not come on anymore. The thermostat is pretty new. The fuses of the outside unit are good. And the 24v power adapter is working. Sounds like the relay in the inside unit… read more
spivco
spivco
236 satisfied customers
I have a non digital thermostat that either runs too long or
I have a non digital thermostat that either runs too long or that kicks on and off too much the inside unit will run but the outside unit will be off or the other way around the outside unit will be r… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have an 8 year old electric run central a/c system with a
I have an 8 year old electric run central a/c system with a central air gas heat. The central a/c is set to auto a/c on the thermostat, but unit will not shut off when set temp. is reached. Warranty c… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I just installed a RTH23010B digital thermostat to replace
I just installed a RTH23010B digital thermostat to replace my old mercury thermostat and it keeps blowing warm air and the temperature isn't dropping below 80. Do I need to reset the parameters? and i… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
Hi. We are trying to replace an old White-Rodgers (Digital
Hi. We are trying to replace an old White-Rodgers (Digital Comfort Set II - 1F90-51) thermostat with a 1F85-277. The old one looks simple - 4 wires. The new one doesn't have the same places for those … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,962 satisfied customers
Good morning.. Yesterday we had a bolt of lightning hit the
Good morning.. Yesterday we had a bolt of lightning hit the street right in front of our home that shook the house. I did not lose power however I noticed that my central AC began to blow hot air righ… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
We are new home owners and are attempting to turn on the central
We are new home owners and are attempting to turn on the central air for the first time. We have a Tempstar Smartcomfort 2400 unit. After turning on the unit using the wall thermostat, we are not gett… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
have a nordyne central unit. was working fine today and all
have a nordyne central unit. was working fine today and all of a sudden stopped.. no power to it at all. heat nor cool will come on at all… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
MY CENTRAL AIR IS BROKE. THE THERMOSTATS ARE SET CORRECTLY,THEY
MY CENTRAL AIR IS BROKE. THE THERMOSTATS ARE SET CORRECTLY,THEY ARE RUNNING TRYING TO COOL THE HOUSE. I CHECKED THE CICUIT BREAKER PANELS IN THE HOUSE AND I CHECKED THE FUSE PANELS OUTSIDE NEXT TO THE… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I am hooking up a HW RTH7600 thermostat to a gas FHA system
I am hooking up a HW RTH7600 thermostat to a gas FHA system with A/C. My old thermostat has 6 wires and goes to an EWC-ST-3E ultra zone control panel. Wires hook up as follows on the Zone-1 T'STAT in … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
i have a Lennox central air conditioning unit (model #HS26-036-2P)
i have a Lennox central air conditioning unit (model #HS26-036-2P) which is less then 10 years old when the thermostat is lowered the air is flowing but not cool the thermostat is on auto and in "on" … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
I am replacing a 1940s thermostat that has 2 unmarked wires
I am replacing a 1940s thermostat that has 2 unmarked wires ? I want to replace it with a programable thermostat that I just purchased. There are 5 useable terminals on the new thermostat :G, W, Y and… read more
DuWayne
DuWayne
Sales/ Service
Vocational, Technical or Trade Scho
126 satisfied customers
Im getting a No AC Power reading on my thermostat that Ive
I'm getting a No AC Power reading on my thermostat that I've had for years. I checked my breakers and fuses, what else could it be?… read more
Francis
Francis
shop owner
Bachelor's Degree
1,974 satisfied customers
why doesnt my air handler blower kick on when my t-stat calls
why doesn't my air handler blower kick on when my t-stat calls for heat and my outside unit is running? if i raise temp on t-stat enough to call for aux heat the blower works fine, also it is not cons… read more
Wes
Wes
HVAC Technician
Associate Degree
115 satisfied customers
My central air just stopped working in the middle of the night.
My central air just stopped working in the middle of the night. I turned the thermostat off and on, it will click like its going to turn on, but nothing happens. My husband replaced the both fuses and… 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

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