HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Split system with TXV has low subcooling at 2 degrees-F,
Split system with TXV has low subcooling at 2 degrees-F, should be 9 degrees-F. Adding refrigerant is not increasing the subcooling. Wondering if a restriction could be the problem. … read more
Cliff
Cliff
HVAC Contractor / HVAC Instructor
Bachelor's Degree
397 satisfied customers
When I went to bed, the upstairs unit tran heating aND
When I went to bed, the upstairs unit for my tran heating aND cooling unit was set for 68 degrees heat and 78 air auto, to hold for 4 days, when I came upstairs this morning, it was set at 90 degrees … read more
Kcrand36
Kcrand36
Technician/Owner
Vocational, Technical or Trade School
72 satisfied customers
I have a 10seer 5 ton outdoor unit that has lower than normal
I have a 10seer 5 ton outdoor unit that has lower than normal low side.The following conditions apply: Dry Bulb outdoor: 80: 80: 79.4 Vapor Pressure: 35.0: 40.1: 33.3 Vapor temperature: 75.0: 75.0: 73… read more
A-1 Tech
A-1 Tech
Service Manager
Vocational, Technical or Trade Scho
526 satisfied customers
I have a YorK MV16CN21H and a CZH04811B. Service has been out
I have a YorK MV16CN21H and a CZH04811B. Service has been out to repair this problem but can never duplicate the problem. If it ain't broke it's hard to fix. Here is what happens: The house temp rises… read more
spivco
spivco
236 satisfied customers
I have a Rheem RCHA-36A2GG17 central air conditioning unit.
I have a Rheem RCHA-36A2GG17 central air conditioning unit. It wiil run for a few minutes and turne off. it is no longer cooling the house. Any suggestions on how to fix it?… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,486 satisfied customers
I have a Honeywell Chromoterm III thermostat. It is somehow
I have a Honeywell Chromoterm III thermostat. It is somehow set to cool to 73 degrees. I would like to set it to cool at 78 degrees. I am the second owner and can't find a manual here or on the intern… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
I JUST INSTALLED A KSWX024-H213, 410A. WHAT SHOUD MY SYSTEM
I JUST INSTALLED A KSWX024-H213, 410A. WHAT SHOUD MY SYSTEM PREASURES BE room temp 100 with 6 feet of line set? GREG… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
Have had 2 Rheem 18 SEER comunicating a/c systems installed,
Have had 2 Rheem 18 SEER comunicating a/c systems installed, with the Rheem 550 touch screen thermostats. Long story short today, being about 80 degrees out, systems ran from 9am, to 6:30 pm, and coul… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I have 5 Sanyo split system a/cs in a B&B Ive recently bought
I have 5 Sanyo split system a/cs in a B&B I've recently bought and I'm stuffed if I can work out how to set them for effective operation. (They're about 6 years old.) If say the outside temp is 35 and… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,450 satisfied customers
model 52 MEBU15301 AA Seriel 1009 V254 When the outside temp
model 52 MEBU15301 AA Seriel 1009 V254 When the outside temp is below 30 degrees and the unit is in the heat mode set at 69, the temperature sometime goes as high as 80 degrees, even though the dip sw… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,450 satisfied customers
I am a condo renter in which a new AC/heat unit was recently
I am a condo renter in which a new AC/heat unit was recently installed-to replace the prior 36-year old unit. I have had 2 days experience now with the new unit in which I set the digital thermostat t… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
I have a Hunter 44110 thermostat which has worked great up
I have a Hunter 44110 thermostat which has worked great up until 2 days ago. I prefer to change the temp manually but it seems to be not responding to my attempts to turn the heat up unless i follow t… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
just installed a 44550 Hunter Thermostat for my Rudd 5yr. old
just installed a 44550 Hunter Thermostat for my Rudd 5yr. old sytem. We double checked the wiring and switches, but the fan will not turn OFF. The manuel has the opposite problem listed in "troublesho… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
my thermostat is set and 60 degrees and the temperature keeps
my thermostat is set and 60 degrees and the temperature keeps going to 80 degrees I have oil heat furnace… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,486 satisfied customers
I recently purchased a White-Rogers programmable thermostat
I recently purchased a White-Rogers programmable thermostat model #1F95-1277 for my vacation house on Davis island, Florida. The tech that installed it, apparently did not understand my intentions for… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
We have a TH 8000 programmable thermostat. We do not ever program
We have a TH 8000 programmable thermostat. We do not ever program it, just keep it set to 78 degrees on permanent hold when we need air conditioning. Just recently, it has started reading that the ins… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,486 satisfied customers
Are the batteries full time in the thermostate or are they
Are the batteries full time in the thermostate or are they powered by the 24 volt trasformer with the battery as back up?… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
Installed two Hunter 44550 programmable thermostats replacing
Installed two Hunter 44550 programmable thermostats replacing original Honeywell non-programmables, following directions. One seems to be working fine, other doesn't seem to see a 6-degree difference … read more
Glenn
Glenn
Maintenance, Technician
Associate Degree
1,612 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

8,697 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

1,029 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

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