HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
I purchased an air conditioner FFRE0833U1. It has not turned
Hello... I purchased an air conditioner FFRE0833U1. It has not turned off since it was started this morning around 11am. It is set to eco mode and at 70 degrees. The area is less than 350 sq ft. The t… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
I have a shaw model 9600 thermostat. When I try and use the
I have a robert shaw model 9600 thermostat. When I try and use the manual override, I can only drop the temperature setting, I can't raise it. The only way I can raise it is to press the reset button … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,943 satisfied customers
I have a very simple Honeywell RTH1100DV1000 thermostat. It
Hi, I have a very simple Honeywell RTH1100DV1000 thermostat. It only has a Heat/Off switch on the side, and temperature up and down buttons on the front. It is set at 62F. If I move the desited temp u… read more
Rick
Rick
Supervisor
24,889 satisfied customers
Installed new taco 5000, never set temp. Hot water scalds if
Installed new taco 5000, never set temp. Hot water scalds if open all way. Hot water in shower goes cool during normal shower. Is spring getting stuck? What is best temp set? … read more
Rick
Rick
Supervisor
24,889 satisfied customers
On a orifice system, when ambient temperature decrease, does
On a orifice system, when ambient temperature decrease, does subcooling decrease or increase?… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
Pilot light lights and stays lit fine but the burner never
Pilot light lights and stays lit fine but the burner never comes on. Water is only luke warm probably just from the pilot. Is there anything simple I should check before replacing the gas control valv… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,943 satisfied customers
I have a carrier hvac with a 58MVP blower. If I increase
I have a carrier hvac with a 58MVP blower. If I increase temp setting at thermostat by 10 deg (above room temp), will blower motor reach max flow velocity? or will it compensate to achieve constant fl… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
Installed a Lochivar cbn 135 in a residential radiant heating
Installed a Lochivar cbn 135 in a residential radiant heating system. Boiler fires when t-stat calls for heat. If water temp reaches high limit, burners shut off, pump keeps circulating. All appears t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,943 satisfied customers
Wondering about buying a dry charged R-22 outdoor compressor.
Wondering about buying a dry charged R-22 outdoor compressor. It's about 25 years old and still working fine but needed a capacitor/relay replaced recently. The inside unit is working fine. Local AC g… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
7,807 satisfied customers
How to program comfort star single zone mini-split indoor
I have a comfort star single zone mini-split indoor unit model no. chp018cd. Which I would like to program, but I can't. EX. starts at 5:00 am then stops at 11:00am and then starts at 17:00 and stop a… read more
Brian
Brian
Master Electrician / Contractor
Vocational, Technical or Trade Scho
40 satisfied customers
I have a 21 year old closed loop heat pump (Waterfurnace) that
I have a 21 year old closed loop heat pump (Waterfurnace) that faults consistently. When I eventually get it operating, it reaches the desired temp. setting and continues to run. If I lower the temp. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
9,943 satisfied customers
Thank you. The reset button on my AO Smith 80 gal. hwt keeps
Thank you. The reset button on my AO Smith 80 gal. hwt keeps tripping. The water gets very hot when we re-set the button, then it pops again the next day. Why??? Thank you.… read more
Rick
Rick
Supervisor
24,889 satisfied customers
We had a new 2 1/2 ton Ruud heat pump installed last month.
We had a new 2 1/2 ton Ruud heat pump installed last month. The house is 2 story and we replaced the upper unit and condenser. The system seems to be running OK but I noticed the installer did not rep… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,870 satisfied customers
hello there, what is wrong when its saying recovery on the
hello there, what is wrong when its saying recovery on the display, an it can't hold the set temp… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,870 satisfied customers
I previously asked this question a minute ago and was directed
I previously asked this question a minute ago and was directed to the ask a queestion page. I have a Totaline thermostat model P474-1050 with a blank display. It doesn't respond to mode,fan, increase,… read more
Heath
Heath
Vocational, Technical or Trade Scho
1,027 satisfied customers
just installed lg lmu365 hv quad unit with 3 9ks and 1 18k.
just installed lg lmu365 hv quad unit with 3 9k's and 1 18k. the 3 9,s work as expected but the 18 does not cool consistatly. the temp drop across the unit varies from 5F to 10F while the other units … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
My Hayward Power flo 2 SP 1780 with 1 1/2 Hp motor runs and
My Hayward Power flo 2 SP 1780 with 1 1/2 Hp motor runs and pumps water except when I hook up the vaccum. Then it does not supply enough water to the pump, the pump strainer chamber "runs out of water… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I cant get my Honeywell H2-519 to kick in -power is on --
I can't get my Honeywell H2-519 to kick in -power is on -- but won't let me modify temp - keeps defaulting to current temp - please help… read more
Mr.BTU
Mr.BTU
HVAC Contractor
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

9,943 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