HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
After a power outage our AC is not blowing cold air. The
After a power outage our AC is not blowing cold air. The outside fan in the AC unit is operating but when the thermostat is changed to "COOL" nothing happens. … read more
Mike R.
Mike R.
3,235 satisfied customers
I have a heat pump (split unit) and my goodman condenser
I have a heat pump (split unit) and my goodman condenser make a loud noise on start up … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
My furnace blower will turn on but the AC condenser wont. I
My furnace blower will turn on but the AC condenser wont … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
I just had an older Goodman mini-split installed. 20CR air
Hi, I just had an older Goodman mini-split installed. 20CR air handler & HDP 18-1A condenser (R22). Works fine in both heating & cooling but the fan runs continuously. Is this normal? Tkxxx Bob Miller… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have a waiting for equipment status on my new honeywell
I have a waiting for equipment status on my new honeywell thermostat … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,969 satisfied customers
My central air conditioning is not working, checked circuit
My central air conditioning is not working, checked circuit breakers, changed batteries in my Honeywell thermostat, outside compressor does not turn on nor does the fan… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have a AOSmith Pro Max md. ocv90 100 and we have been getting
I have a AOSmith Pro Max md. ocv90 100 and we have been getting carbon monoxide when AC runs and heater runs at same time the water heater has its own chimney and its 3" pipe its 8 years old.… read more
Rick
Rick
Supervisor
25,591 satisfied customers
All of a sudden both of my Venstar thermostats both stopped
All of a sudden both of my Venstar thermostats both stopped working. Tried to reconnect to wifi but it does not accept the WIFI connection. Help ?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,969 satisfied customers
We are getting error code 91. Our american standard heat pump
We are getting error code 91. Our american standard heat pump and furnace are not working - this just happened. Any ideas? I have tried resetting the breaker...… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
1200xl trane ac............loud humming noise in airhandler
1200xl trane ac............loud humming noise in airhandler and compressor unit when unit is turned on. Handler fan will turn on but compressor don't. what is your expert opinion?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
Carrier heat pump question: AC stops blowing cool air...notice
Carrier heat pump question: AC stops blowing cool air...notice that the compressor is not running. Turn off power to compressor, set all thermostats to off and unplug molex connector to circuit board … read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
York Furnace model# ***** When only the fan is on,
York Furnace model# ***** When only the fan is on, the speed is normal but when turned to cooling mode, the fan speed decreased significantly, resulting in the system icing up. How to increase CFM by … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,969 satisfied customers
Billy, I have a 1992 Payne VCD0060. I had a full service cleaning
Billy, I have a 1992 Payne VCD0060. I had a full service cleaning done on Friday. A/C worked great. I did see initially the guys had a problem with start up but then I went back in. Today, it will not… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,969 satisfied customers
Having trouble wwiring from outside condenser &t-stat to
having trouble wwiring from outside condenser &t-stat to Goodman natural gas hot-air wiring to work right--I wired & bunit kept on rinning constantly for a day--need help please! *************… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have a Honeywell RTH 8500D. I usually shut it down (off)
I have a Honeywell RTH 8500D. I usually shut it down (off) for the summer. In past years the thermostat would still show the time and temperature, humidity etc. Now it is blank. I get to DC voltage re… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
My AC just went out. I have 2 zones and 3 thermostats,
Hello my AC just went out. I have 2 zones and 3 thermostats, all thermostats are blank (no battery back up), breaker is on and fine, there seems to be no power going to the main units inside including… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
10,115 satisfied customers
Why can't we get this 3 ton York air handler board to communicant prop
Why can't we get this 3 ton York air handler board to communicant properly with a new 3 ton lennox heat pump/ac condenser board. when we call for ac we get heat mode.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,969 satisfied customers
I have a furnance control, part mnumber..HK42FZ012 AND THE
I have a furnance control, part mnumber..HK42FZ012 AND THE MOVE THE DIAGRAM OF RUN IT's ate 3 little red bboxboxrsconectorees… read more
Appliance Guru
Appliance Guru
19,002 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

10,115 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