HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

I have an HVAC central unit Tran XB80. It is blowing air constantly…

Customer Question
I have an HVAC central...
I have an HVAC central unit Tran XB80. It is blowing air constantly but doesn't cool
Submitted: 3 years ago.Category: HVAC
Show More
Show Less
Ask Your Own HVAC Question
Answered in 3 hours by:
7/3/2015
HVAC Technician: Phil, Mechanical Engineer replied 3 years ago
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 7,426
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial
Verified
Hello,Tell me please if the unit that sits outside is running or not, and if the largest copper tube that connects to it cool, cold or frosty. We can go from there
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
We recently moved into a home and can't figure out how to
We recently moved into a home and can't figure out how to get the fan for the central air conditioner system to turn on inside the house. The central air unit turns on outside, but the fan for blowing… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
Thanks, in my townhouse w central air : , the air is fully
, the air is fully blowing but it isn't cool air. central air unit, on the unit itself, a green light is blinking,p. Does the blinking light mean it's not working? Thank you! … read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
Trane XE 1000 3 ton unit. Everything is working including the
Trane XE 1000 3 ton unit. Everything is working including the inside unit but it is not blowing cold air, only "cool" air. There is no condensate forming on my coils and nothing dripping from my A/C d… read more
bonzaco
bonzaco
1,044 satisfied customers
My central air unit fan stays running constantly. I've reset
My central air unit fan stays running constantly. I've reset the breakers and changed thermostats and the issue is still there.… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
I just noticed something strange and alarming about the
I just noticed something strange and alarming about the central HVAC system on the ground floor of my home. (My home is two stories, each with its own HVAC system.) The thermostat is set to AUTO in th… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 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
44 satisfied customers
My model # XXXXX XXXXX 21967. Just purchased home with a 5 year
My model # XXXXX XXXXX 21967. Just purchased home with a 5 year old central air unit. Its blowing air, but no cold air or cooling of any room. Replaced new filter, but still not cooling. Any thoughts … read more
SWFLHVAC
SWFLHVAC
67 satisfied customers
My Trane XB80 gas furnace will heat for hours, but then ends
My Trane XB80 gas furnace will heat for hours, but then ends up blowing cool air. Will not relight. Blowing sound starts, igniter comes on, but nothing happens. Repeats this process a couple of times … read more
mranswer
mranswer
TECHNICIAN
Bachelor's Degree
481 satisfied customers
central air unit new/installed in 1998. on friday afternoon,
central air unit new/installed in 1998. on friday afternoon, the system ran longer than usual, and the noise coming out of the vents in the house sounded louder than usual. the temp in the house start… read more
Heath
Heath
Vocational, Technical or Trade Scho
1,002 satisfied customers
I have a trane XB80 model no. txco49c4hpdo. Serial no. 3375emn5g.
I have a trane XB80 model no. txco49c4hpdo. Serial no. 3375emn5g. It says it uses refrigerant 22 or 410a. Can they be mixed? If not, how do I know what is in my unit? Is there a newer refrigerant for … read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
D1NP030N05606 YORK HVAC Heater was working fine. Just started
D1NP030N05606 YORK HVAC Heater was working fine. Just started blowing room temp air. changed t-stat, igniter on unit, reset breakers on entire house. The unit just blows, it doesn't matter if the t-st… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
Hi, My name is Tuan. I had a Trane XB80 installed 2007. The
Hi, My name isXXXXX had a Trane XB80 installed 2007. The heater recently had intermittently been blowing cold air. I tried to clean the flame sensor but it didn't quite make much difference. Is it tim… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 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
508 satisfied customers
I have central AC and oil heat. I am getting cold air through
I have central AC and oil heat. I am getting cold air through the vents and that is all but I have the electric thermoset on heat and cannot turn off the cold air. Any suggestions? I had turned the em… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
Trane XB80 gas furnance is blowing cold air when heat is called
Trane XB80 gas furnance is blowing cold air when heat is called for. Red light is blinking slow continously… read more
Coolinspector
Coolinspector
High School or GED
I have my thermostat set to heat and the fan to auto. Regardless
I have my thermostat set to heat and the fan to auto. Regardless of what temperature I set it to, it goes from blowing hot air to blwoing cold air almost constantly. Is it a problem with the thrmostat… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
i dont know much about hvac. i have a cooling unit outside
i don't know much about hvac. i have a cooling unit outside on the side of the house(ac?) i also have a unit in the crawl space under the house(heat?) there has been a fan running constantly under the… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,209 satisfied customers
I am having the same problem. The fan wont shut off. I reset
I am having the same problem. The fan won't shut off. I reset the breaker, no luck. Question I have an old RUUD central AC unit that started blowing hot air. I set the thermostat to off and set the te… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,209 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