HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
The A/C has been off all night and morning because the
The A/C has been off all night and morning because the termperature was moderate overnight. When I turned the A/C back on around 1:00 the compressor (outside unit) would not come on but gives an occas… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,271 satisfied customers
My Lennox 13ACX will not run, no sounds coming from unit,
My Lennox 13ACX will not run, no sounds coming from unit, only the furnace blower runs. … read more
Michael Ferryman
Michael Ferryman
110 satisfied customers
Billy. I have another issue with another hvac problem. We
Billy. I have another issue with another hvac problem. We need your help to solve problem.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,970 satisfied customers
Honeywell Thermostat does not turn off AC and pipes are
Honeywell Thermostat does not turn off AC and pipes are freezing. Even removing Tstat from wall does not shut AC off.… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,271 satisfied customers
I have a trane xe80 with a trane xe1000 ac compressor. On a
I have a trane xe80 with a trane xe1000 ac compressor. On a call to cool, the compressor doesn't start. inside blower runs fine. When you manually push in the contactor, the compressor kicks in fine a… read more
Expert
Expert
Hi, My A/C started blowing warm air last night. I checked
Hi, My A/C started blowing warm air last night. I checked the circuit breaker and saw that the breaker for the A/C had tripped. I switched breaker to off and then to on again. Checked the unit outside… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,970 satisfied customers
I have an American Standard Frredom 80 single stage - the AC
I have an American Standard Frredom 80 single stage - the AC will not come on when I turn Cool on or when I short the Y and R in the thermostat to bypass the thermostat(just to rule out thermostat pro… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Hi, I have a trane 2twb0030. The compressor has a flashing
Hi, I have a trane 2twb0030. The compressor has a flashing green light. It's has power but won't turn on. handler is working fine. Any suggestions ? Thanks.… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
i have a trane xe 1000. The unit turns on but there is no cold
i have a trane xe 1000. The unit turns on but there is no cold air comming out of the vents. had a tech come out and take a look. freon was fine. when we pulled the unit apart the insulation around th… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
A/C unit wasnt cooling house anymore. Turned thermostat off.
A/C unit wasn't cooling house anymore. Turned thermostat off. Inspected copper line and pipe running from the outside compressor unit to the condenser inside. Copper line looked fine. However, found i… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,970 satisfied customers
I have a HEIL central air system, model NCFA35VB01. Ive lived
I have a HEIL central air system, model NCFA35VB01. I've lived here 12 years and it was here a while before I owned the house. System won't start (was on all summer except for the last 3 - 4 days when… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I have a Nordyne model S1BA-048K air conditioning unit. The
I have a Nordyne model S1BA-048K air conditioning unit. The relay switch on it sparks, but won't maintain contact to cut on the unit. If I force contact then the unit works just fine. Do I need to rep… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
my compressor fan motor wont turn on. it was replaced last
my compressor fan motor wont turn on. it was replaced last summer and worked fine. i just replaced contactor pole and put a new capacitor on. the fan still wont spin. any ideas?… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have a payne dual air conditoner the bottom floor isnt working...
I have a payne dual air conditoner the bottom floor isn't working... on the motor it looks like it says nxu? is there a reset button… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
my fan does not come on until I push in the contactor. The
my fan does not come on until I push in the contactor. The thermastat is set to cool and the themestat cool on is there. I don't know how to check for low voltage or where the reset switch might be. C… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
The fan on the external compressor unit on my home system stays
The fan on the external compressor unit on my home system stays on permanently. The fan stays on even though the inside control unit is off. I keep it switched off by the circuit breaker. Is there a q… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,970 satisfied customers
We have a Bryant Model 663C heat pump. We normally run the
We have a Bryant Model 663C heat pump. We normally run the fan all the time. We noticed 3 days ago that the house temperature was getting below the set temp on thermostat. I turned the fan to automati… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
hello i have a janitrol rooftop package unit.. When i noticed
hello i have a janitrol rooftop package unit.. When i noticed house was not cooling i went outside on roof cond fan was not turning.. I pushed fan and it bagan to spin in wrong direction..so i pulled … read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 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