HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
Thermostat has not power. Checked breaker on inside breaker
Thermostat has not power. Checked breaker on inside breaker panel and outside breaker panel. They all look good. My brother says the thermostat is powered by the A/C unit, so it is probably something … read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 satisfied customers
Disconnected and reconnected honeywell basic thermostat (new
Disconnected and reconnected honeywell basic thermostat (new - 3 mo.) to do some drywall repair. On reconnect, "Cool" just flashes, LCD reads "In Recovery" and no air blows. Removed batteries, turned … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I have a Carrier Infinity System /cooling. I pushed the off
I have a Carrier Infinity System for heating/cooling. I pushed the off button on the thermostat and the system powered down. When I try to turn it back on I cannot get the system to restart. My questi… read more
Kcrand36
Kcrand36
Technician/Owner
Vocational, Technical or Trade School
72 satisfied customers
I have a Lennox 21j7101 tstat. I am replacing with a Pro1
I have a Lennox 21j7101 tstat. I am replacing with a Pro1 IAQ T715. Need wiring directions… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I am replacing a Robertshaw 9520 with a Honeywell RTHL3550.
I am replacing a Robertshaw 9520 with a Honeywell RTHL3550. We are pretty sure we have all the wires in the correct spots but the compressor is not coming on. The fan comes on and runs fine. This is a… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
i am trying to connect a honeywell thermostat to goodman furnace...
i am trying to connect a honeywell thermostat to goodman furnace... looking for C wire connection from therm to other end.... i connected the blue wire to the C connection on the thermostat and at the… read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,265 satisfied customers
I have a single stage heating and a/c unit thats about 16 months
I have a single stage heating and a/c unit thats about 16 months old. A week ago I noticed the outside unit was running but the blower inside wasn't. I replaced the batteries on the thermostat (after … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
Hello, I have a 3-zone SlantFin furnace (about 15 years
Hello, I have a 3-zone SlantFin furnace (about 15 years old) - one used for water and 2 used for the two floors of the house. The thermostats are White-Rogers brand. I noticed yesterday that the my fi… read more
Rick
Rick
Supervisor
28,018 satisfied customers
My heater works intermittently. What could be wrong?
My heater works intermittently. I think its the thermostat, a really old one (Robertshaw). I turned down the thermostat, shut off power to the furnace at the circuit breaker, pulled the panel off the … read more
Paul
Paul
Vocational, Technical or Trade Scho
112 satisfied customers
Started to replace BAYSTAT239A mercury thermostat with a Hunter
Started to replace BAYSTAT239A mercury thermostat with a Hunter 44155 prorgrammable one but after undoing 2 screws (R,Y) saw that we'd need further assistance with the wiring since there were more wir… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
Question on a Carrier Weathermaker 8000 gas furnace. I replaced
Question on a Carrier Weathermaker 8000 gas furnace. I replaced the air filter and now the thermostat is blank. I followed the instructions on the front of the unit to turn off the power to the unit, … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
I got a Honeywell T7350 Digital Thermostat as a gift for my
I got a Honeywell T7350 Digital Thermostat as a gift for my home, it says its commercial, can I use it in my home? Also, I cant get the power to come on?… read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
Is there a reset button of sorts for a Model 310AAV/JAV
Is there a "reset" button of sorts for a Model 310AAV/JAV? I moved the thermostat to a more accurate position yesterday and now the heater will not come on. I did rewire the thermostat correctly, howe… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,295 satisfied customers
My unit wont come on. The themostat is in the correct position
My unit won't come on. The themostat is in the correct position and the break is turned on. Besides the breaker in the power panel and the emergency breaker on the air handler and the knife switch out… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
My compressor has been running constantly. I have turned the
My compressor has been running constantly. I have turned the thermostat switch off and the compressor still runs. The current temperature in the house is 70 and the thermostat is set for 65 with the s… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
I am trying to replace my thermostat with a Honeywell RTH2310
I am trying to replace my thermostat with a Honeywell RTH2310 Programmable thermostat and the wiring is confusing in the manaual and does not work. I have AC/Heat. I have 5 wires red,blue,yellow,white… read more
Ken Anderson III
Ken Anderson III
Vocational, Technical or Trade Scho
14 satisfied customers
I have a Trane gas pack, neither the cool or heat side work,
I have a Trane gas pack, neither the cool or heat side work, just stopped suddenly. Power to the unit seams ok, no tripped breakers. Thermostat is digital, seams to be working fine. What is the next d… read more
coolman1973
coolman1973
AC/Heat Tech
Vocational, Technical or Trade Scho
162 satisfied customers
I have a Heil furnace that is located in the garage. When I
I have a Heil furnace that is located in the garage. When I turn the thermostate is switched to heat and set to above room temperature, I get cold air blown through the ducts. I don't have flame in th… read more
hvacmrfixit
hvacmrfixit
disabled
Vocational, Technical or Trade Scho
118 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