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 Toshiba split system RAV-SM800KRT-E, it is not
Hi, I have a Toshiba split system RAV-SM800KRT-E, it is not blowing cold air when In auto or cool mode, have cleaned filters and everything else seems normal, it's just not cool air coming out. … read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
1,375 satisfied customers
I have a 2 story house in SouthCentral PA with a 2 zone
I have a 2 story house in SouthCentral PA with a 2 zone Natural Gas HVAC system. Zone 1 is First floor and unfinished basement (where the Zone 1 furnace is) Zone 2 is the second floor (rooms mostly si… read more
airheatman
airheatman
HVAC Technician
6 years college
12,170 satisfied customers
I have existing metal duct in my house. i removed an old
I have existing metal duct in my house. i removed an old furnace that had both supply and return plenums made from duct board. i removed these also and had sheet metal ones made. the return air was ma… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
How do I change the filter on a Trane XL 1400 Super Efficiency
How do I change the filter on a Trane XL 1400 Super Efficiency Heat Pump Model# ***** (the one on the unit itself)? MFR date: 1/94… read more
airheatman
airheatman
HVAC Technician
6 years college
12,170 satisfied customers
I am having on-going issues with a Nordyne FT4DB Split unit,
I am having on-going issues with a Nordyne FT4DB Split unit, it froze up this past winter and now is freezing up during the cooling season. Literature states it has a 10 year warranty however the HVAC… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
I bought a home 2 months ago (built in 1966)- the heating/cooling
I bought a home 2 months ago (built in 1966)- the heating/cooling unit is located in the hallway with the bedrooms - it is positioned in a corner wall of two hallways (like an L) , so it has open vent… read more
airheatman
airheatman
HVAC Technician
6 years college
12,170 satisfied customers
Ac not cooling properly. When I lower the temperature and press
Ac not cooling properly. When I lower the temperature and press hold . After a couple seconds a higher temp is displayed with the hold symbol.ac seems to maintain the higher temp… read more
airheatman
airheatman
HVAC Technician
6 years college
12,170 satisfied customers
we have excessive duct noise due to, I think, some combination
we have excessive duct noise due to, I think, some combination of air flow (technician to see if can dial flow back or not) and blower noise transfer. In case reducing the air flow doesn't reduce the … read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,216 satisfied customers
I have a upflow Rheem furnace that appears to be overfiring.
I have a upflow Rheem furnace that appears to be overfiring. The model # XXXXX RGFD-07ERMCK5, SN FX5D702F340503410. It is operating on propane at an elevation of about 6,500 feet. The pressure after t… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
8,427 satisfied customers
I am installing a new mobile home indoor air handler. In the
I am installing a new mobile home indoor air handler. In the installation instructions is says that the return air duct needs at least 200 or 250 sq inch of free air space in order to work properly. W… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,410 satisfied customers
I am installing a remote inline exhaust fan for my bathroom.
I am installing a remote inline exhaust fan for my bathroom. The fan will be mounted in the attic just below the roof exhaust vent with flexible ducting down to the bathroom ceiling over my shower. Th… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,410 satisfied customers
Have 1800 SQ ft house, in a slab foundation downdraft york
Have 1800 SQ ft house, in a slab foundation downdraft york furnace& ac, we have had really lousy airflow so far. Friend of mine told me to open the pipe going into the unit above the unit & above the … read more
Heath Moyer
Heath Moyer
1,071 satisfied customers
I have a heil icp gpfm48k120f heating and cooling system. my
I have a heil icp gpfm48k120f heating and cooling system. my question is. Is there an air filter that i should change in this system?… read more
Heath Moyer
Heath Moyer
1,071 satisfied customers
I am building a 2 bed + a sitting area extention to my house.
I am building a 2 bed + a sitting area extention to my house. What type of air conditioning should I use? Separate units for each room or a central ducted system. Which is more cost effective and easi… read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,118 satisfied customers
I live in the Incorporated area of Round Rock Texas. My 24
I live in the Incorporated area of Round Rock Texas. My 24 year old home is a single level custom built home. My furnace is on the inside in a closet in the hallway. The unit and the duct work reach u… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
14,410 satisfied customers
how do u figure combustion air for a heater what is the formula
how do u figure combustion air for a heater what is the formula to use and is any formula better than an other… read more
Rick
Rick
Supervisor
29,107 satisfied customers
My home in SW Florida (Naples) has a 5 year old Smart Comfort
My home in SW Florida (Naples) has a 5 year old Smart Comfort 2200 air conditioner. Yesterday the system stopped working. The AC technition told me the reason was that the wires to the 24 volt system … read more
Tom Goellner
Tom Goellner
owner
Vocational, Technical or Trade Scho
1,761 satisfied customers
Our new four ton trane unit model # XXXXX 4YCY4048A1096AA, Serial
Our new four ton trane unit model # XXXXX: 4YCY4048A1096AA, Serial # XXXXX Our home living space is 2377 sq ft with a ceiling of about 9 ft. We would like to cover our attached covered patio with glas… read more
The Home Smithy
The Home Smithy
Home Improvement Repair Consultant
Vocational, Technical or Trade School
8,518 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