HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
This is about a Lennox gas furnace; there was an odor of
this is about a Lennox gas furnace; there was an odor of natural gas in the closet the furnace was inside while the furnace was running. … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,401 satisfied customers
I'm trying to find a part number for a RUUD HVAC system,
I'm trying to find a part number for a RUUD HVAC system, Blower control board. My daughter sent me a picture of the unit, but there a SCREW through the model number. … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,291 satisfied customers
I have an achiever 90 plus gas up flow unit. it was used in
I have an achiever 90 plus gas up flow unit. it was used in an up right position. can I use it in a horizontal position… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,401 satisfied customers
, I have a GMS9/GSC9 furnace, just returned form a few day
Hi, I have a GMS9/GSC9 furnace, just returned form a few day trip and the furnace won't light. I hear it start activity, can see orange light in the top "window", tries three times the stops... the LE… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,401 satisfied customers
what is the cause of a streaky greenish-brown residue (or sediment?)
what is the cause of a streaky greenish-brown residue (or sediment?) on the exterior of a gas furnace exhaust vent for about 2 feet of the vent at the point where the leaves the furnace?… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
i have a 4 ton gas pack goodmam, brand new. tech installed
i have a 4 ton gas pack goodmam, brand new. tech installed unit on the 9th. ac works. when i turn on the heat igniter fires but the burners dont light. no gas seems to be coming to the burner. the ign… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
12,285 satisfied customers
Lennox Merit series residential gas furnace (2003 install)
Lennox Merit series residential gas furnace (2003 install) is periodically beeping. What does this indicate?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
12,285 satisfied customers
My daughter (in America; I am in Malaysia) is having a problem
My daughter (in America; I am in Malaysia) is having a problem with her thermostat or furnace. Both are older. The thermostat is a Honeywell model, but she insists it has no "fan on/off auto" switch(e… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,401 satisfied customers
Second Try: Have a RUUD Silhouette Natural Gas Furnace Model
Second Try: Have a RUUD Silhouette Natural Gas Furnace Model #UGPH - 07 NAUER Serial # DF50382 - F3594 7274 installed about 18 years ago (1995) that continues to respond to the thermostat (turns on wh… read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
14,401 satisfied customers
Blower runs no heat, limit switch is open per panel code 3
Blower runs no heat, limit switch is open per panel code 3 blinks rolled by a 2 sec pause. Unit is a Rudd achiever 90 model RCBA. Any idea if this unit has a reset? Can not locate any. Thanks… read more
V12Tech
V12Tech
252 satisfied customers
GOOD MORNING FROM SANTA YNEZ,CALIFORNIA. I AM A TECH WORKING
GOOD MORNING FROM SANTA YNEZ,CALIFORNIA. I AM A TECH WORKING ON A COLEMAN MODEL 7670 MOBIL HOME FURNACE. THE FURNACE TAKES ABOUT FIVE MINUTES FOR THE FAN SWITCH TO CLOSE,THE UNIT RUNS FOR THREE MINUTE… read more
V12Tech
V12Tech
252 satisfied customers
The furnace quit , It has a manual reset switch behind the
The furnace quit , It has a manual reset switch behind the blower door ,an i reset it an it worked good for about a month!. I reset today an it ran for good for about 6 hours. Gene . Berrien center , … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
16,291 satisfied customers
I have a Evcon furnace, Model BGU07512, #930632718. The CO
I have a Coleman Evcon furnace, Model BGU07512, #930632718. The CO reading in the metal flue discharge is 1400+. The furnace has been serviced and the flame is blue. There is no CO present in the hous… read more
Comfort Specialist
Comfort Specialist
Licensee, Designer & Estimator
Vocational, Technical or Trade School
1,369 satisfied customers
I have a Bryant 105000 btu gas furance about 10 years old.
I have a Bryant 105000 btu gas furance about 10 years old. I had an unrelated problem and the local gas company was on location, when he restarting the furance he put meter unit and it had high co rea… read more
A-1 Tech
A-1 Tech
Service Manager
Vocational, Technical or Trade Scho
526 satisfied customers
I have a Ruud achiever super save 80 gas furnace in a house
I have a Ruud achiever super save 80 gas furnace in a house I bought this summer. We are under a blizzard warning and the temp is going down to minus three tonight and the furnace has quit working. Th… read more
Shane D
Shane D
HVAC Service Manager
32 satisfied customers
I have a Carrier WeatherMaker 8000 which is 11 years old and
I have a Carrier WeatherMaker 8000 which is 11 years old and is installed in the Attic. It has been cycling on with heat for about 8 or 9 minutes, shuts down, and then restarts withiin a minute. It do… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,129 satisfied customers
My elderly mother is facing a dilemma with her Lennox natural
My elderly mother is facing a dilemma with her Lennox natural gas furnace. I live too far away from her to verify what the furnace repair folks are saying, so I have to go on faith, and I am repeating… read more
Rick
Rick
Supervisor
34,799 satisfied customers
I have a Lennox Complete Heat which has difficulty lighting
I have a Lennox Complete Heat which has difficulty lighting up. All of the problem components (gas valve, recirc pump, blower, gas valve) have been replaced over the last several years and the burner,… read more
Bill
Bill
High School or GED
318 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