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 have a Direct air heat pump that the compressor failed.
I have a Direct air heat pump that the compressor failed. I've had the compressor replaced. How much, and what kind of compressor oil should I add before recharging? It's a 18000 BTU with 2 heads.… read more
Tamar D
Tamar D
HVAC Mechanic II / Service Tech
Vocational, Technical or Trade School
2,960 satisfied customers
I'm installing an lg mini split heat pump. The indoor and
I'm installing an lg mini split heat pump. The indoor and compressor units are all precharged with refrigerant. The compressor has a valve to shut off the refrigerant while the tubing is being connect… read more
Tamar D
Tamar D
HVAC Mechanic II / Service Tech
Vocational, Technical or Trade School
2,960 satisfied customers
What are the 3 best split mini systems that a experienced
What are the 3 best split mini systems that a experienced diy'er can install?550 sq ft - 12,000 btu unitJerry… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,466 satisfied customers
Installing a series 56 solar boosted single zone mini split.
Installing a series 56 solar boosted single zone mini split. would like clarification of electrical wiring. Machine has terminals labeled L1,L2, Ground and S. The S terminal on the Condensor unit only… read more
Chris Wagner
Chris Wagner
None
30 satisfied customers
Sometime we have a mini split unit with a dc motor inside &
Hello , sometime we have a mini split unit with a dc motor inside & because of the card ( PCB ) not repairable we change the whole mini split indoor , is there a way to start the dc motor & if yes how… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
I have a gree mini split that the outdoor compressor seems
Hi I have a gree mini split that the outdoor compressor seems to be working and the indoor unit seems to be working. The copper lines at the mini split are heating up but bye the time it gets to the i… read more
D.E. Anderson
D.E. Anderson
Industrial Refrigeration Service Manager
205 satisfied customers
I have an lg lan180hsv4 mini split ac and I cannot get the
I have an lg lan180hsv4 mini split ac and I cannot get the indoor unit to turn on. Followed all the trouble shooting guides, still nothing. Opened up the outdoor unit and led 1 is solid red. No troubl… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,254 satisfied customers
I have a Ductless split mini heat pump system. 12000 BTU I
I have a Ductless split mini heat pump system. 12000 BTU I need to move the condenser over about 4', but Im going to use the same line set. How do I put the r410A refrigerant back into the condenser? … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
14,641 satisfied customers
I just installed a Senville mini-split air conditioner, model
I just installed a Senville mini-split air conditioner, model SENA/09HF. The compressor comes on but the inside fan does not. The inside unit does display the set temperature and the air deflector doe… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
14,641 satisfied customers
I just installed a new Daikin mini split dual zone 36K unit
I just installed a new Daikin mini split dual zone 36K unit with 2 18K indoor units. Everything on the install was done properly. 240 v supplied to outdoor unit. Line sets pressure tested and purged. … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
14,641 satisfied customers
I am hooking up a mitsubishi mini split a/c ( 230 v - ac )
I am hooking up a mitsubishi mini split a/c ( 230 v - ac ) that is requiring a 3 pole disconnect switch, the unit required 14/4 awg wire from the indoor unit to outdoor unit, now going over wiring dia… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
11,243 satisfied customers
I am trying to recover r410a from a new nordyne outdoor unit
I am trying to recover r410a from a new nordyne outdoor unit before I braze my lineset. But when I hook my gauges they read zero. When I use an allen wrench to open them refrifrgerant comes out of my … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
14,641 satisfied customers
Installed an Americaire model ACE09HO110 mini split (new).
Installed an Americaire model ACE09HO110 mini split (new). Pressure test (nitrogen) @ 93psi for about 12 hrs.- no decline in pressure. Pulled vacuum twice with final reading at about 150 microns. Rele… read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
11,254 satisfied customers
My heat pump quite heating, cool nights, and I called my technician. H
My heat pump quite heating, cool nights, and I called my technician. He stated I had a small freon leak in my 4 ton heat pump that caused the unit to quit providing heat or cooling. Service Technician… read more
Comfort Specialist
Comfort Specialist
Licensee, Designer & Estimator
Vocational, Technical or Trade School
1,369 satisfied customers
PLEASE RESPOND ONLY IF YOU ARE EXPERIENCED IN INSTALLATION
PLEASE RESPOND ONLY IF YOU ARE EXPERIENCED IN INSTALLATION OF MINI SPLIT UNITS. I am installing 2 YMGI Mini Split AC/Heat Pump Systems. Due to the difficulty(cost) of the running the lines sets and el… read more
Heath Moyer
Heath Moyer
1,071 satisfied customers
I have a newly installed LA125HV split system that I purchased
I have a newly installed LA125HV split system that I purchased on line and had a professional install. THE UNIT HAS NEVER WORKED. The installer has run voltage tests and the #3 communications wire sho… read more
Joan-Mod
Joan-Mod
Private
I have 2-zone mini-split ac; 2 indoor model AWM123HX & 1 outdoor
I have 2-zone mini-split ac; 2 indoor model AWM123HX & 1 outdoor model AOM243HX. Bought in July 2009, put in storage and finally installed May 30, 2010. Installed per manufacturer instructions. Pressu… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
I have an LG LMU3600CE triple split air conditioner. The compressors
I have an LG LMU3600CE triple split air conditioner. The compressors in the outside unit do not turn on. The fans on the outside unit turn on properly following turn on of one of the indoor units. Err… read more
Mario
Mario
Owner Of At Your Service Plumbing & Heat
High School or GED
697 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:

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

1,029 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.

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

Jerry

Jerry

Service Technician

573 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.

< 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