HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
I'm having problems with my condenser unit at my house,
I'm having problems with my condenser unit at my house … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
11,800 satisfied customers
I have Carrier Hybrid heat system with outdoor unit model
Good morning. I have Carrier Hybrid heat system with outdoor unit model 25HNB648A300. Compressor stopped working yesterday. The fan still runs. Pulled the access panel and observed the status LED: 7 q… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,513 satisfied customers
It wasn't clear to me how this works. How much does it cost
Hi Pearl, It wasn't clear to me how this works. How much does it cost to talk to an HVAC expert? … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
11,800 satisfied customers
My air conditioner stopped running. On the service menu I
My air conditioner stopped running. On the service menu I see listed "fault 71-thermal cutout in low stage" and also "fault 71-thermal cutout in high stage" … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
11,800 satisfied customers
I have a lightly used carrier infinity system from
I have a lightly used carrier infinity system from approximately 2008. thermostat shows condenser cutout repeatedly in history. Now it remains cutout. I tried to test run the condenser. the fan kicked… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
11,800 satisfied customers
Carrier Infinity (Air Conditioner) Keypad says "System
Carrier Infinity (Air Conditioner) Keypad says "System Malfunction". Error codes: 82 (thermal lockout in high stage) and 72 (thermal cutout in high stage). Error 71 was appearing recently but has stop… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,030 satisfied customers
The high stage contacter on my Carrier HNA25A HEAT PUMP stays
The high stage contacter on my Carrier HNA25A HEAT PUMP stays open during startup after being off for more than 12 HRS. WHAT IS THE PROBLEM?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
11,800 satisfied customers
Actually I have been working on Infinity model#25HNA660A300
Actually I have been working on Infinity model#25HNA660A300 and Have already changed compressor, capacitor, board. I did this because technical consultant for Carrier had told me to do this according … read more
joeydelia
joeydelia
HVAC-R Tech supermarket refrigeration
184 satisfied customers
I have a carrier Infinity a/c model: 25hna648a300 my problems
I have a carrier Infinity a/c model: 25hna648a300 my problems are code #72 high stage Thermal cutout? Rest a/c unit ran water over compressor start unit back up, again lock out?… read more
joeydelia
joeydelia
HVAC-R Tech supermarket refrigeration
184 satisfied customers
I have a Carrier infinity 16 seer model #25flpa624h0030030
I have a Carrier infinity 16 seer model #25flpa624h0030030 heat pump. the problem i have no ac the outside unit turns on only warm air comes out of vents then units shuts off in a couple minutes*while… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Expertise on high efficiency Carrier 2 stage Infinity
Need someone with expertise on high efficiency Carrier 2 stage A/C (Carrier Infinity 24ANA748). Works good in 1st stage, but when it shifts to second stage, the suction pressure goes up, supply air te… read more
SWFLHVAC
SWFLHVAC
85 satisfied customers
I have a Carrier Infinity system, 25HNA636A heat pump, that
I have a Carrier Infinity system, 25HNA636A heat pump, that is giving multiple codes. Here are the codes in the order 1st to last. code 71- Thermal cutout in low stage, code 85- low contactor open, co… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
Hi, I have a 4 year old Carrier Infinity system and just in
Hi, I have a 4 year old Carrier Infinity system and just in the last few weeks it has begun to not cool to temperature set (73 degrees) and is usually about 5 to 6 degrees above set temperature and hu… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Today I had an error code of 71 followed shortly by a code
Today I had an error code of 71 followed shortly by a code of 81. The system is a Carrier Infinity two stage heat pump about four yaers old. Any ideas??? Model 25HNA636A… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
I have a Carrier Infinity thermostat. Yesterday I had the
I have a Carrier Infinity thermostat. Yesterday I had the capcitor replaced. The tech wasn't able to get the unit to work at first. There was a code 11 flashing, and he followed the instructions to re… read more
Rick Mather
Rick Mather
HVAC Tech
Vocational, Technical or Trade Scho
3,631 satisfied customers
there is a error code -72 thermal cutout in high stage on the
there is a error code -72 thermal cutout in high stage on the infinity thermostat. The Outdoor compressor comes on for a few minutes but the air never gets cool. Also error code 71- thermal cutout on … read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
We have a model 24ANA736A. The AC just quit. I ran a check
We have a model 24ANA736A. The AC just quit. I ran a check on it and came up with 2 faults: 71 - Thermal cutout in low stage and 72- thermal cutout in high stage. What's the problem?… read more
Rick Mather
Rick Mather
HVAC Tech
Vocational, Technical or Trade Scho
3,631 satisfied customers
I have an Infinity 96 Model 58MVB with an SYSTXCCUID01--B
I have an Infinity™ 96 Model 58MVB with an SYSTXCCUID01--B Infinity Control, The instructions don't explain how to wire it to a Ruud UARL-JEZ Series AC to the thermostat.… read more
Jim Eastwood
Jim Eastwood
Lead service
High School or GED
100 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:

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.

Jerry

Jerry

Service Technician

575 satisfied customers

HVAC Technician. Hearth Products Specialty

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

Thehvacguy

Thehvacguy

LIC HVAC,Plumber

426 satisfied customers

Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp

Drcool

Drcool

HVAC Technician

264 satisfied customers

i have been an A/C tech for the past 30 Years. working on window types, split type, and package

N4IEA

N4IEA

NATE Certified; HVAC Technician

227 satisfied customers

Retired, HVAC / Electrical Technician / Contractor 35-years Experience.

< 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