HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
My home uses a Honeywell HZ311 zone system. Currently I'm
My home uses a Honeywell HZ311 zone system. Currently I'm not getting any air out of the vents. The HZ311 has red lights for zones 1 and 3 and a green light for zone 2. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
Broke an old Honeywell thermostat in workshop that controls
Broke an old Honeywell thermostat in workshop that controls gas space heater. Replaced with Honeywell model that only controls heat. When I switched power back on, it isn't calling for heat. … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
AC worked fine during the summer. Now the AC and heat are
AC worked fine during the summer. Now the AC and heat are both not working. We were able to get both to work by manually touching the wires together up at the HVAC unit. Does this mean something is ba… read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
Installed a Honewywell RTH7600 thermostat replacing an old
Installed a Honewywell RTH7600 thermostat replacing an old Honeywell thermostat. I have a simple system. Just heat, no air. Baseboard hotter system, so no fans, no filters, etc. No Wi-Fi. Only two wir… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
My programmable Carrier thermostat is set at 72 degrees, yet
My programmable Carrier thermostat is set at 72 degrees, yet the temperature is going down. Is there something wrong with the Heat Pump& … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
I have a - comfort-set II thermostat type 1f90-60 heat only
I have a white-rogers comfort-set II thermostat type 1f90-60 heat only thermostat on Hydronic system with multiple B & G heat motor zone valves. I get a red on light intermittently and also the batter… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
I have a Honeywell universal mini zone system connected to a
I have a Honeywell universal mini zone system connected to a carrier unit. I had two new thermostats installed this summer and the heat is not working now that I have switched because of colder temper… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Hi, I am having a problem getting our main air conditioner
Hi, I am having a problem getting our main air conditioner to function. We have a larger furnace and air conditioner for the larger part of the house and a smaller one for the master bedroom side of t… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
have white rodgers 1f80-261 programmable thermostat. The current
have white rodgers 1f80-261 programmable thermostat. The current temperature is reading at 82 degrees which it is not. already changed the batteries. Is this thing shot or can i somehow get an accurat… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
We have a CARRIER 2-zone gas heating furnace that is about
We have a CARRIER 2-zone gas heating furnace that is about 11 years old. This morning, both zones stopped heating. I checked the pilot and neither unit was firing. Blowers are working ok. Checked the … read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 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
4,135 satisfied customers
Furnace should start only when it dips below the set temperature
Hello, Our thermostat is set to 70 and the furnace keeps coming on every few minutes even though the temperature doesn't drop below 70 on the thermostat. It runs for short period of time and turns off… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I just bought a Honeywell programable thermostat. I have 2
I just bought a Honeywell programable thermostat. I have 2 wires coming out of the wall. A white one and a red one (heat only no cooling). The thermostat has 6 possible wire connections. Where do I ho… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
596 satisfied customers
I have a honeywell programmable thermostat in two floors of
I have a honeywell programmable thermostat in two floors of my home - main floor and bedroom floor to allow for zoned controlled heat. The main floor thermostat is working, however the upstairs thermo… read more
Tim H
Tim H
Lead building engineer
Vocational, Technical or Trade Scho
1,922 satisfied customers
Honeywell System was not cooling efficiently last night. Thermostat
Honeywell System was not cooling efficiently last night. Thermostat temperature read 84 internal temperature setting was at 77. System was blowing. This morning no power to thermostat downstairs or up… read more
Paul
Paul
Vocational, Technical or Trade Scho
108 satisfied customers
Have a thermostat that indicates the battery needs to be changed.
Have a thermostat that indicates the battery needs to be changed. Changed the batteries, but the display continues to read "battery" instead of the temperature. What do I need to do?… read more
TimVZ26
TimVZ26
Service Foreman
Vocational, Technical or Trade Scho
157 satisfied customers
I can not get my new Honeywell RTC8100 thermostat to work.
I can not get my new Honeywell RTC8100 thermostat to work. The old thermostat had two wires, a red and a white. I have tried the red in the red and the white in W, Y, and G. Nothing seems to work. Wha… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
596 satisfied customers
I have a new Honeywell TH3210D1004 thermostat that I cant
I have a new Honeywell TH3210D1004 thermostat that I can't seem to get to work correctly. When I turn it to heat, it heats. When I turn it to cool, it cools. However, in both circumstances, the settin… read more
Rick or Nick in Texas
Rick or Nick in Texas
General Manager-Lead Tech
Own and run HVAC business 29yrs
44 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

7,426 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