HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
We just got back from holidays and got home to our house
Hi there. We just got back from holidays and got home to our house being 4 degrees and the furnace won't blow warm air but the fan works fine. Code 66 is flashing … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
We have a Comfortmaker furnace Model G9MXE0801716A installed
We have a Comfortmaker furnace Model G9MXE0801716A installed new in May 2015. The furnace keeps shutting off intermittently (mostly during the night when the temperature drops) with Error codes 4 and … read more
airheatman
airheatman
HVAC Technician
6 years college
10,115 satisfied customers
I have a luxaire 9.M series 97% propane.. In April I noticed
I have a luxaire 9.M series 97% propane.. In April I noticed exhaust was covered with black soot. Had the unit cleaned (very carboned up) and replaced burners. Now beginning of heat season and upon st… read more
Rick
Rick
Supervisor
25,526 satisfied customers
I have a Freedom 90 furnance and it cycles out and blows cold
I have a Freedom 90 furnance and it cycles out and blows cold air. This is the second winter we have lived in the house. If I push in the reset button the furnance will start back up and run anywhere … read more
Appliance Guru
Appliance Guru
18,960 satisfied customers
WE HAVE A RHEEM FORCED AIR FURNACE INSTALLED IN OUR NEW HOME
WE HAVE A RHEEM FORCED AIR FURNACE INSTALLED IN OUR NEW HOME IN 1999. RECENTLY IT START RECYCLING DUE TO A SOOT BUILD UP ON THE FILTER. WE REPLACED THE FILTER AND 10 DAYS LATER THE SOOT WAS BUILDING O… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
In Home #1 we have 2 Amana 90 AirCommand Forced Air furnaces
In Home #1 we have 2 Amana 90 AirCommand Forced Air furnaces that were installed about 10 years ago and never had a problem. Our technician retired and the new company's technician noted that there as… read more
Tim H.
Tim H.
Lead building engineer
Vocational, Technical or Trade Scho
3,962 satisfied customers
service tech question. very sooted cmf oil furnace installed
service tech question. very sooted cmf oil furnace installed 3 yr, ago, burning kero. very sooted. about 1" soot at top of roof jack, I'm sure is heat exchanger is cloged with soot. serviced this past… read more
Heath Moyer
Heath Moyer
1,064 satisfied customers
Lennox Heat Pump xp 15 060 Heat Pump Installed July 2006
Lennox Heat Pump: xp 15 060 Heat Pump Installed July 2006 replaced R22 system with gas heat Problem: was not cooling enough.. blew some cold air but not enough to reduce temperature of air more than 5… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
We just bought a house that has a Dovre Sapphire 50 propane
We just bought a house that has a Dovre Sapphire 50 propane fireplace in it. It's producing soot on the glass after only 4 hours of use. . . what's could be wrong?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
good morning, i have an Amana, model ghn90a35, serial no p9961510f
good morning, i have an Amana, model ghn90a35, serial no p9961510f furnace that has a robertshaw greyson gas controller 7100DER, 71D-01B-002, C64235-01 that i had a fire incident with yesterday. The w… read more
MRANSWER
MRANSWER
TECHNICIAN
Bachelor's Degree
6,158 satisfied customers
I am working with a homeowner that has a 5 yr old gas furnace
I am working with a homeowner that has a 5 yr old gas furnace and there is a constant "black residue" at the supply registers and on other household surfaces. We have ruled out external air infiltrati… read more
Rick
Rick
Supervisor
25,526 satisfied customers
I have black soot coming from the heater. This started during
I have black soot coming from the heater. This started during the air conditioning season. The repairman first closed up a vent on the back of the heater and said that would work. It seemed to help. B… read more
Rick
Rick
Supervisor
25,526 satisfied customers
I have a Goodman propane fired furnace, installed abt 2 years
I have a Goodman propane fired furnace, installed abt 2 years ago. It stops heating and I noticed the LED trouble indicator has 3 rapid flashes. Checked air intake and exhuast and they appear to be cl… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I have a Utica boiler #SFH-4150 power vented hot water system.
I have a Utica boiler #SFH-4150 power vented hot water system. It was installed in 1996. Among other things, the ignition coil was replaced with an electronic ignition several years ago. The problem I… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
old Wards boiler ... 1930s soot backing up all over basement gas
old Wards boiler ... 1930's soot backing up all over basement gas fired cleaned the burners....they are burning yellow and not blue. should i take the entire top off and take out the insulation (black… read more
Rick
Rick
Supervisor
25,526 satisfied customers
I have an Amana GUCA 070cx30 high efficiency furnace installed
I have an Amana GUCA 070cx30 high efficiency furnace installed in my attic. Over past 5 years we have had it, the drain lines have frozen several times right in the trap. Have to thaw it out with elec… read more
Rick Mather
Rick Mather
HVAC Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
i have a 3 year old 93% efficient Rehem Oil Fired Hot air
i have a 3 year old 93% efficient Rehem Oil Fired Hot air Furnace which seems to be in fault. The fan just keeps running and blowing cold air. Is this an easy fix??… read more
Rick
Rick
Supervisor
25,526 satisfied customers
We bought the home a year + ago and have since noticed that
We bought the home a year + ago and have since noticed that the sides of the furnace (abeam the heat exchanger and above the blower) becomes too hot to touch when it's been burning for a few minutes. … read more
Jim Eastwood
Jim Eastwood
Lead service
High School or GED
100 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