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 two stage naturl gas furnace and a xc25 air
I have a two stage naturl gas furnace and a xc25 air conditioning unit. Can I use a Honeywell RTH9585 thermostat? … read more
Cliff
Cliff
HVAC Manager
Associate of Applied Science
306 satisfied customers
I have a Lennox AC with an I comfort thermostat with a error
I have a Lennox AC with an I comfort thermostat with a error code 411 "low pressure switch strikes lockout" when the system comes on, the unit itself seems to blow like crazy but when you go to the ve… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,156 satisfied customers
Recently switched out thermostat on my unit and just noticed
recently switched out thermostat on my unit and just noticed the ac fan outside runs when furnace is running is this normal? First time homebuyer not sure if it ran before this way … read more
Bill
Bill
Service Mgr
121 satisfied customers
We have a Lennox I comfort system installed in 2012- we live
we have a Lennox I comfort system installed in 2012- we live in Indiana and temps have been from 20 to below zero- we have had 5 visits from a technician- replaced the pressure valve for heat- what ha… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,156 satisfied customers
I have a Lennox system and the compressor won't turn on.
I have a Lennox system and the compressor won't turn on. Thermostat says system is waiting. Been like that for a few hours now. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,108 satisfied customers
Lennox touch screen says system is waiting. AC won't turn
Lennox touch screen says system is waiting. AC won't turn on. I have on manual ( no program) and still … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,117 satisfied customers
My Lennox I comfort system says "system waiting" instead of
My Lennox I comfort system says "system waiting" instead of cooling. I cannot get it to kick on AC … read more
Appliance Guru
Appliance Guru
20,885 satisfied customers
Hey Brian- I'm switching from a Lennox iComfort to a Honeywell
Hey Brian- I'm switching from a Lennox iComfort to a Honeywell thermostat. The Lennox wires are listed as R, i+, i- and C. The Honeywell does not have i+ or i- SO, where do I put those wires on this n… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,029 satisfied customers
I have a new Lennox xcu-036 model. the digital thermostat
I have a new Lennox xcu-036 model. the digital thermostat is completely black and the AC is off and can't be turned on. what happened? I should say last sunday the AC stopped cooling. The thermostat s… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
9,156 satisfied customers
I recently had a lennox furnace and a comfort sense 5000 thermostat
I recently had a lennox furnace and a comfort sense 5000 thermostat installed in my home and now my central air won't turn on. It does not seem to be getting a signal from the thermostat. which port/s… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I have a Lennox ac that is not working. It is the HS21 model
I have a Lennox ac that is not working. It is the HS21 model # XXXXX sn 5895C 62249. The fan is running fine, the condessor is not coming on. You can reset it by turning the thermostat off and back on… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
When the furnace & AC is dual stage burner, variable speed
When the furnace & AC is dual stage burner, variable speed blower and high seer AC is it better to have the control at the furnace level or the thermostat level. In order to get the advanced thermosta… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,108 satisfied customers
Current 15 year old Payne needs new blower motor, etc. Tech
Current 15 year old Payne needs new blower motor, etc. Tech recommended Lennox 61MP60D135 at $4850 with 10 year warranty on parts and lifetime heat exchange. Other options are Carrier 58CVA135122 at $… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I am replacing a Simple Comfort 2201 with a Lux TX9100E. Is
I am replacing a Simple Comfort 2201 with a Lux TX9100E. Is this Lux a compatible replacement for the Simple Comfort? I have a Trane 2TWB3030A1000AA AC unit outside and a Trane 2TEC3F30A1000AA Air Han… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
Carrier Comfort 92 furnace has stopped altogether. Switched
Carrier Comfort 92 furnace has stopped altogether. Switched thermostat last eve from heat to AC, and system stopped. I have always let the blower motor run, 24/7, and it won't come back to life either… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
I extended my thermostat line to relocate it out of the sun,
I extended my thermostat line to relocate it out of the sun, I plugged the thermostat back in, turned on the ac breaker...nothing...I did realize I forget to turn off the furnice breaker..I have a len… read more
Master tech
Master tech
High School or GED
62 satisfied customers
I have a lennox heat pump, backed up with an oil furnace. My
I have a lennox heat pump, backed up with an oil furnace. My termostat kicks in the oil unit at 35 degrees, the thermostat is a X4147, and it won't fespond when hitting system on the touch screen. I t… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,108 satisfied customers
I have a lennox air exchanger system with sun and snowflake
I have a lennox air exchanger system with sun and snowflake dial. This is the fall of the year so where should my setting be for the fall I have it in the middle of the "comfort zone" now..is this rig… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 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

8,117 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