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 RHSA-HM3617JA air conditioner with a battery
I have a RHSA-HM3617JA air conditioner with a battery powered thermostat. It uses an RC wire, a Y wire and a Green wire. There is also a Black wire in the cable that is not used. I would like to chang… read more
Todd F.
Todd F.
Occupational Associates
83 satisfied customers
I have a Gibson heat pump but only 2 wires from the air
I have a Gibson heat pump but only 2 wires from the air handler to the condenser. I need the condenser to operate in cool only. … read more
Michael Ferryman
Michael Ferryman
1,496 satisfied customers
I just tried both new thermostats in the upstairs (5-wire)
I just tried both new thermostats in the upstairs (5-wire) locations and neither one works. After mounting the front of the unit, it's still dark, but it turned on the heat.… read more
gotoman for ac
gotoman for ac
HVAC Technician
Associate Degree
5,488 satisfied customers
I just installed an Aprilaire 500 humidifier. When it is
I just installed an Aprilaire 500 humidifier. When it is turned on the unit clicks repeatedly until the furnace blower comes on. In addition, once the furnace turns off the fan continuously goes on an… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,159 satisfied customers
I have a Trane 4TTR7 2 stage condensing unit with a Trane 2
I have a Trane 4TTR7 2 stage condensing unit with a Trane 2 stage furnace system, but the 4 ton condensing unit can't cool down my 2nd floor effectively, it's not cold at all, It was installed 2 years… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,148 satisfied customers
I've installed a new Honeywell Wi-Fi thermostat with no C
I've installed a new Honeywell Wi-Fi thermostat with no C wire. I've bypassed with the G wire and ran a jumper from the Y to G and then moved my G to the C terminal at thermostat (per Honeywell instal… read more
Daniel Plourde
Daniel Plourde
plumbing, hvac technichian
Vocational, Technical or Trade School
718 satisfied customers
Replacing Honeywell TH5220D1003 thermostat with a Honeywell
replacing Honeywell TH5220D1003 thermostat with a Honeywell RTH6350 D 1000. The old one had 6 wires the new one only 5. The 6th one on the old unit was blue and went to terminal C. The new unit has no… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,159 satisfied customers
I'm trying to troubleshoot my HVAC system as when I turn it
I'm trying to troubleshoot my HVAC system as when I turn it to cool, the blower kicks on but the compressor/fan doesn't kick on outside. I'm getting 24v at the control board from the transformer, but … read more
Phil
Phil
Consultant to Engrs, Govt & Contractors
Degree, Mech Engr Technology
12,133 satisfied customers
I have a 1996 Goodman Manufacturing - GMP 100-3 heating system
I have a 1996 Goodman Manufacturing - GMP 100-3 heating system and Goodman A/C unit - Condenser is a AJ8--CKT condenser 2.5 ton and corresponding coil with a 4 wire connected Lux 9000 thermostat (Heat… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
7,382 satisfied customers
I have an old Luxaire furnace with AC. I bought a new Thermostat
I have an old Luxaire furnace with AC. I bought a new Thermostat that needs C wire. Using the G as the common wire. Wired correctly according to Honeywell. When I connect the cold call to Y the compre… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,159 satisfied customers
Installing central AC. I installed the outside unit, wired
Installing central AC. I installed the outside unit, wired up the 220 VAC, and the two wires to the contactor(Yellow and Blue), installed the Evap, pressure tested and is good. Replaced the two wire t… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,159 satisfied customers
A/C system cooling fine until last night when condenser starting
A/C system cooling fine until last night when condenser starting sounding strange (excessive vibration then abnormal discharge sound) so I shut the AC off. Tried to start it later and there was hum co… read more
Appliance Guru
Appliance Guru
23,541 satisfied customers
I recently had to replace the bracket holding the blower
I recently had to replace the bracket holding the blower motor in my furnace. The filter got sucked into squirrel cage and I am guessing the torque destroyed the bracket. To pull the blower assembly I… read more
Comfort Specialist
Comfort Specialist
Licensee, Designer & Estimator
Vocational, Technical or Trade School
1,369 satisfied customers
The goodman unit N4H3 wiring black c, yellow y, red
The goodman unit N4H3 wiring: black = c, yellow = y, red = r, orange = o white = w2 Fan unit: red, white, grey = g, brown = c Tstat honeywell t872r-1024: r = red, m = white, y = yellow, v = blue, f = … read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I had an open on my condenser fan motor, (outside unit-TRW060D100A1)
I had an open on my condenser fan motor, (outside unit-TRW060D100A1) so I went online and purchased an aftermarket fan motor (Dayton thru W.W.Grainger), but when I installed it, my fan still won't ope… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,159 satisfied customers
Good morning. The outdoor condenser on our residential A/C
Good morning. The outdoor condenser on our residential A/C system stopped working yesterday. I checked to make sure that the inside unit has power - it does and the blower motor runs. Then I checked t… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,159 satisfied customers
I am replacing a Honeywell T8195B thermostat with a Honeywell
I am replacing a Honeywell T8195B thermostat with a Honeywell 5-2 day programmable RTH230B in my residence. The system consists of a 2007 model gas furnace with external condensing unit. The existing … read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a Goodman Janitrol furnace and central a/c. The central
I have a Goodman Janitrol furnace and central a/c. The central a/c unit is turning on and blowing, however the furnace is not turning on inside to blow the air throughout the house. I turned the heat … 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:

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.

Jerry

Jerry

Service Technician

576 satisfied customers

HVAC Technician. Hearth Products Specialty

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

Thehvacguy

Thehvacguy

LIC HVAC,Plumber

426 satisfied customers

Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp

Drcool

Drcool

HVAC Technician

264 satisfied customers

i have been an A/C tech for the past 30 Years. working on window types, split type, and package

N4IEA

N4IEA

NATE Certified; HVAC Technician

227 satisfied customers

Retired, HVAC / Electrical Technician / Contractor 35-years Experience.

< 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