HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Hvac I have a five ton r-22 condensing unit five ton coil
Hvac I have a five ton r-22 condensing unit five ton coil and txv my question is I have three and half ton 134 condensing unit used about five years old I removed in sound working order can I flush an… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have a Carrier 38cks split system which is about 12 years
Hello Tom,I have a Carrier 38cks split system which is about 12 years old. Last year when it was not effective one technician came by and without checking for leak recharged it with 6lbs of R22 and ev… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
If the reversing valve has a internal short like you said is
if the reversing valve has a internal short like you said is that why my suction psi is ;low… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Can you explain me more about expansion valves? What if
Can you explain me more about expansion valves ? What if subcooling is normal ( 10 ) & superheat is high ?… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
Just installed a Goodman 2 ton ac and air handler comes with
Just installed a Goodman 2 ton ac and air handler comes with r410r pre charge everything works pressure on low side 125 but air not coming out cold enough … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
I have an old condensing unit outside that seams to be fine,
I have an old condensing unit outside that seams to be fine, but i have a leaking evaporator that sits on top of my furnace. all the lines seem fine as well. What are my options? I believe it is the r… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
What is the normal operational pressures on a rheem
what is the normal operational pressures on a rheem 13ajm30a01 2.5 ton compressor high and low side @70 degree out side temp and subcooling for this system, it is txv system. label is almost unreadabl… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I'm stumped..5ton 3 phase trane unit with r410 125psig on suction
I'm stumped..5ton 3 phase trane unit with r410 125psig on suction and 450 head but blows 80degree air? Building is real hot just happened from one day to the next… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
GRANDAIRE, MODEL# XXXXX HEAT PUMP IS SHORT CYCLING IN
GRANDAIRE, MODEL# XXXXX HEAT PUMP IS SHORT CYCLING IN THE HEAT MODE ONLY, WHEN IN COOL MODE, IT RUNS PERFECT. THE FREON CHARGE IS GOOD, I CHANGED OUT THE THERMOSTAT, STILL SAME PROBLEM. WHEN I CALL FO… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,257 satisfied customers
I have a ultra 5 tech 80 air handler, an older carrier unit
I have a ultra 5 tech 80 air handler, an older carrier unit outside, guages reading "r-22" 50 deg on the low side and 275lbs on the high side, the condensor line is "cold" on the low side all the way … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,791 satisfied customers
Carrier heat pump model 38YRA030300 outside unit pressure problem The
Carrier heat pump model 38YRA030300 outside unit pressure problem The system can start and seems it works normally at the beginning(cold air comes out from inside vents), then the pressure (low side) … read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a trane xe1100. The unit froze up twice with the last
I have a trane xe1100. The unit froze up twice with the last freeze up occurring a month ago. After the first freeze up I checked airflow and everything was okay. I replaced all of the filters just fo… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
My inside and outside airconditioner unit freezes up. What
My inside and outside airconditioner unit freezes up. What could be the cause? They are goodmon.… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
I have a Trane condenser Mod#TTB030C100A2. Evap coil Mod#TX031C4HPC0
I have a Trane condenser Mod#TTB030C100A2. Evap coil Mod#TX031C4HPC0 Ambient temp is 90 degrees. Suction pressure is 98. Head pressure is 175. Amp draw is 11.5. With the cover off the evap A-coil I ca… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
Hello. I have a 6-year-old Trane. Just had my 2nd service call
Hello. I have a 6-year-old Trane. Just had my 2nd service call on it yesterday,in as many days. The tech came out 2 days ago & found that it was low on freon. Everything else was fine. He put the freo… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I need to know why the line with the metering device going
I need to know why the line with the metering device going into the evaporating coil keeps freezing up and subsequently causes the secondary line to also freeze. We checked for leaks and there were no… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
My cental heat and AC UNIT HAS RUN FINE FOR THE LAST COUPLE
my cental heat and AC UNIT HAS RUN FINE FOR THE LAST COUPLE OF YEARS. THE HOUSE STARTED HEATING UP SO I THOUGHT THE UNIT NEEDED TO BE SERVICED. THE PROBLEM IS THE HOUSE HEATS UP TO OVER 80 DEGREES. I … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,968 satisfied customers
high suction pressure 130 plus low discharge pressure 150.
high suction pressure 130 plus low discharge pressure 150. No heat outside coil freezes maybe a bad compressor. Not running 80 low and 150 high… read more
HVACguy
HVACguy
Vocational, Technical or Trade Scho
18 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

7,791 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