HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
What be the time required for the high and low pressure side
What be the time required for the high and low pressure side to equalize right after you turn off a Lennox X-13 central air conditioner… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
474 satisfied customers
My rheem model either pka, pla, pmb, pmc, pnj, ppa is tripping
My rheem model either pka, pla, pmb, pmc, pnj, ppa is tripping on high head pressure. on the r-22 side its reading 60, and on the hot side when the unit starts up its reading 250. the 250 goes up to 4… read more
Appliance Guru
Appliance Guru
18,987 satisfied customers
I need to diagnose a pressure switch lockout issue on a heatpump.
I need to diagnose a pressure switch lockout issue on a heatpump. For the last 2 seasons during summer I got the issue sporadic (3-4 times during the season). But now it is also happening during heati… read more
D.E. Anderson
D.E. Anderson
Industrial Refrigeration Service Manager
200 satisfied customers
have a/c only 1year old unit froze up filter ok coil clean
have a/c only 1year old unit froze up filter ok coil clean unit freeze at compressor on suction side first is compressor bad or is txv bad? Freon was reclaimed & reinstalled by scale r22 system tec. s… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,301 satisfied customers
I have an older trane XE 1200 split system that I recently
I have an older trane XE 1200 split system that I recently changed a compressor for the unit. As a rule I usually change the liquid line filter when I change a compressor but on this one I had trouble… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,301 satisfied customers
I have a 5 ton heat pump package unit.I replaced the
I have a 5 ton heat pump package unit.I replaced the compressor and unit ran then next day head pressures are rising unit cuts out then restarts cuts out again. Now blowing cold in the morning ?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,250 satisfied customers
Hi, I have a 10 year old Carrier commercial heat pump - running
Hi, I have a 10 year old Carrier commercial heat pump - running in heating mode. Works fine, but the high pressure switch kicks off after some time, because the pressure starts to jump up and down - w… read more
V12Tech
V12Tech
252 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
8,250 satisfied customers
I have a Rheem R22 condensor. I cannot get the suction pressure
I have a Rheem R22 condensor. I cannot get the suction pressure to go above 30psi. I did a solvent flush on the lines and evap coil and the nitrogen flows through with no restrictions (at various pres… read more
Appliance Guru
Appliance Guru
18,987 satisfied customers
just installed a heat pump...not that familiar with heat pumps.
just installed a heat pump...not that familiar with heat pumps. well i'm not getting any pressure to my suction side except 5 psi's and i know i had enough freon in the system. when i purge the suctio… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
8,250 satisfied customers
I have a 4 1/2 ton ac system that is running at 20lb back pressure
I have a 4 1/2 ton ac system that is running at 20lb back pressure and 225 head pressure. I add freon and it seems to not make a difference. coils are clean, orfice is clear, filter is clean, ducts ar… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
Hello, I have an Arcoaire NAC036AKC3 which I believe is a 2.5
Hello, I have an Arcoaire NAC036AKC3 which I believe is a 2.5 ton unit. The compressor kicks on but I hear liquid flowing through the high side line and the liquid line. Do I have a blown compressor? … read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,038 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 rheem AC with scroll compressor. Compressor was replaced
I have a rheem AC with scroll compressor. Compressor was replaced last year. What is the temperature it should run on the low pressure side. AC guy was just out here and said that it was overcharged w… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
768 satisfied customers
Outdoor Unit is Goodman Model# VSH130361AA and Serial XXXXXXXXXX
Outdoor Unit is: Goodman Model#: VSH130361AA and Serial: XXXXXXXXXX installed April 2009 and a compressor replacement in Sept 2009 Indoor Unit is: Payne Model#: PF1MNCO37 and Serial: 4407A88033 instal… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
I have a goodman 5ton ac unit, that is 3 years old, someone
I have a goodman 5ton ac unit, that is 3 years old, someone stole the copper line set and it ruined the compressor. I had the compressor replaced and now the unit still is not working. The compressor … read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
my house a/c outside unit is working but is not blowing any
my house a/c outside unit is working but is not blowing any air at all inside, what could be wrong?… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,301 satisfied customers
Complaint AC not cooling keeps shutting off. Unit has a new
Complaint – AC not cooling keeps shutting off. Unit has a new five ton compressor. Pressures are at 120+ and 450+ when I get there. Recover 2 pounds and now at 72 and 310 and continues to run. At thre… read more
Josh
Josh
Service Technician
High School or GED
30 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