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 need to replace a thermostat but don't know which type to
I need to replace a thermostat but don't know which type to get . I have two wires one black and one white connecting to two terminals in the thermostat itself. There is a third terminal not being use… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,377 satisfied customers
I have a trane xr80 has furnace. The main air circulating
I have a trane xr80 has furnace. The main air circulating motor is not turning. I have tried jumping the G and R wires to bypass the thermostat and nothing happens.… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,377 satisfied customers
Basically the power coming from the panel goes to the safety
Basically the power coming from the panel goes to the safety switch in the living quarters of the residence .. then goes to the thermal cut out and then to a service switch and then to the burner .”. … read more
Sam I
Sam I
Electrician
B.S.
1,134 satisfied customers
I'm replacing a furnace blower motor and assumed it would be
I'm replacing a furnace blower motor and assumed it would be plug and play. Old motor had 5 wires; white, brown, black, red and blue. The brown and white went to the cap, with another white wire comin… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
480 satisfied customers
I have a Goodman 2 stage variable speed fan, model #
I have a Goodman 2 stage variable speed fan, model # GMV950704CXA. … read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
480 satisfied customers
I've got a Trane XR90 with 6 Flashes — 115 volt AC power
Hi... I've got a Trane XR90 with 6 Flashes — 115 volt AC power reversed, poor grounding or system voltage too low... any ideas how to proceed? I've done a superficial connection inspection. … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,377 satisfied customers
I have a hot water heater providing heat to my in-floor
I have a hot water heater providing heat to my in-floor heat. I eventually diagnosed a faulty Electronic Ignition Control Module during start-up, but during installment of a new module I have created … read more
Rick
Rick
HVAC Supervisor
26,217 satisfied customers
I just changed the oil primary on my oil furnace because the
I just changed the oil primary on my oil furnace because the furnace had stopped working, the old oil primary led wasnt lighting up, so i changed it to the universal oil primary with the LCD screen. … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,023 satisfied customers
Motor froze up..it was a 2 wire (both black) one went to a white wire that is connected to
Motor froze up..it was a 2 wire (both black) one went to a white wire that is connected to a group of white wires that go to the limit switch the relay and down to a connecting plug...the other was co… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I just changed the control board on my rudd furnace. Im getting
I just changed the control board on my rudd furnace. Im getting power to my motor which was the problem before. The flames burn for about 5 seconds then burn out. Ive cleaned the flame sensor rod and … read more
Theplumber717
Theplumber717
Plumber
Vocational, Technical or Trade Scho
1,264 satisfied customers
Furnace problem: My furnace quit working last night, It is
Furnace problem: My furnace quit working last night, It is a Snyder General GUA. model around 1988. Thermostat is set right, house is 60 degrees Thermostat is set a 75. Blower will run on ON position.… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,023 satisfied customers
Need a Honeywell humidifier wiring diagram. Problem with the wiring.
I just purchased a Honeywell HE260 Humidifier and I am having problems with the wiring. I am getting 2 different instructions, one on the enclosed CD and the other on the manual. My problem is that th… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a pond pump that has a Baldor motor catalog #JSL725A
I have a pond pump that has a Baldor motor catalog #JSL725A 115/230 volt. I t came wired for 220 but I only have 110 wired to my pump house. Can I rewire the motor for 110 and if so how do I do that. … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a ruud furnace that is 17 years old. The furnace will
I have a ruud furnace that is 17 years old. The furnace will not turn on. on the circuit board the power and ok light are not on. i suspect the transformer or circuit board… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have g43uf and it is not doing anything. Both lights are
I have lennox g43uf and it is not doing anything. Both lights red and green are not blinking. I tried to turn the fan on manually and it will not run either. Any thoughts?… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
I have a heat pump that is not working. The air handler just
I have a heat pump that is not working. The air handler just blows cold air and the outside unit does not turn on. I have checked the power with a multimeter and I have 220 coming into the unit. I can… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
HVAC AIR HANDLER FAN WILL RUN. BUT WHEN AC COMPRESSOR IS SWITHCED
HVAC AIR HANDLER FAN WILL RUN. BUT WHEN AC COMPRESSOR IS SWITHCED ON BLOWER MTOR QUITS RUNNING.… read more
Tom
Tom
HVAC Technician
Vocational, Technical or Trade Scho
770 satisfied customers
Furnace Bryant Model# 312AAV/312JAVThe furnace doesnt
Furnace Bryant Model# 312AAV/312JAV The furnace doesn't kick in to high speed. Always runs on low speed. After it stops – LED Code = 31 Status - High heat pressure switch or relay did not close or reo… read more
Regan Land
Regan Land
General Manager
Vocational, Technical or Trade Scho
772 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

7,634 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