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 want to put my Honeywell TH8000 series thermostat back
I want to put my Honeywell TH8000 series thermostat back into "permanent hold" status but the hold button now says "holiday" and the display just above that button only allows me to change the number … read more
Christopher Coleman
Christopher Coleman
1,437 satisfied customers
Honeywell Chronotherm III thermostat says repl battery. ive
Honeywell Chronotherm III thermostat says repl battery. ive changed battery and its still blinking. Cannot adjust set point for AC … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,288 satisfied customers
My unit is not operating correctly. I have it set at a temp,
my unit is not operating correctly. I have it set at a temp, and it doesn't come on when the temp goes below the set heating temp. I have to manually hit the set button and it comes on, but then it do… read more
Appliance Guru
Appliance Guru
21,731 satisfied customers
Where can I purchase 2-#-1773es-03 Honeywell thermostats? I
Where can I purchase 2-#69-1773es-03 Honeywell thermostats? … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,288 satisfied customers
What size forced air gas furnace (95%) do i need insulated
what size forced air gas furnace (95%) do i need for an insulated house with 20,962 cubic feet of space? That includes the heated basement (4,600 cubic ft) where the furnace will be located. the house… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
We have a Weil Mc lain series 3 boiler, this is our first
We have a Weil Mc lain series 3 boiler, this is our first heating season ( moved in 8/2015) and the thermostat is set to 68 degrees and does not rise above 63 degrees. We have hot water base board hea… read more
Rick
Rick
HVAC Supervisor
29,390 satisfied customers
I have heat supply and cold air return trunk lines in my
I have heat supply and cold air return trunk lines in my basement that are constructed of duct board. I want to replace them with meatl runs to gain more head room so I can finish my basement. I want … read more
bonzaco
bonzaco
466 satisfied customers
I have a Honeywell Pro 2000 thermostat TH22100, which furnace
I have a Honeywell Pro 2000 thermostat TH22100, which furnace and thermostat is only one year old. Thermostat upstairs works and heat is coming into the room. Downstairs thermostat is not kicking on p… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
10,288 satisfied customers
Hi, thank you for all your help with the last system. I have
Hi, thank you for all your help with the last system. I have another one to do now. It is for my mother. It is a two story home with basement and crawl space in the attic. She wants the second for reg… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
My Honeywell RTH110B thermostat is burning through batteries
My Honeywell RTH110B thermostat is burning through batteries at an alarming rate. Several times now, I have repeated the following process...I switch the system to "Off" and put in new batteries. Afte… read more
Appliance Guru
Appliance Guru
21,731 satisfied customers
We have the Vision PRO TH8000 Series from Honeywell. Our heat
We have the Vision PRO TH8000 Series from Honeywell. Our heat is not working downstairs and when I turn it on it initially says Heat on, then switches to Aux heat and no heat is coming on.… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
Honeywell RTH221B1021 thermostat has no heat/air flow
I have a two story home with one furnace (an older Trane XE80) and two zones: main floor and lower level. The existing thermostats were old and could not be programmed so I replaced them. Honeywell te… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,433 satisfied customers
I have a 12 story building with 9 floors of residential. The
I have a 12 story building with 9 floors of residential. The building was built in the late 60's as an office tower. The first floor of residential is on the 4th floor above the parkade. The parkade i… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have Pro TH 4000 Series Programmable Thermostat (Pro TH4110D/Th4210D).
I have Pro TH 4000 Series Programmable Thermostat (Pro TH4110D/Th4210D). My question is are these thermostat able to have code input that will render them unusable to others without the code input. If… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
I am retrofitting a Goodman GSH-13 heatpump into my existing
I am retrofitting a Goodman GSH-13 heatpump into my existing home heating system which is a Carrier Weather Maker 9200 series propane forced air system. Which control/thermostat would you recommend I … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,433 satisfied customers
Cool on indicator flashing on Honeywell thermostat
I have a honeywell pro th4000 series system. the cool on indicator is flashing. I have followed the instructions in the operating manual, however, it still keeps flashing. Any suggestions on what to d… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
Hello, Im a new home owner (new to me) and the home has a
Hello, I'm a new home owner (new to me) and the home has a Honeywell TZ-3 zoning system. the last few days we noticed it being hotter then normal in the master bed and up stairs bouns room. No matter … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,418 satisfied customers
I have a honeywell chronometer III t stat and it was flashing
I have a honeywell chronometer III t stat and it was flashing 68 for a while with no heat going on. Now it is just giving the days of the week with no way to change anything.Basically the screen is ju… read more
HVAC DOCTOR
HVAC DOCTOR
President
Vocational, Technical or Trade Scho
74 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

8,427 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