HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Related HVAC Questions
Having a problem with condensate drainage from a 12 yr. old
Having a problem with condensate drainage from a 12 yr. old Trane Furnace Model # TUD100R9V5K4. The drain lines have been thoroughly cleaned and checked, yet the condensate is going into the overflow … read more
MrFreeze
MrFreeze
8 satisfied customers
HVAC air condition question here. I live in Northeast
Hello. HVAC air condition question here. I live in Northeast Florida and have a 1930 old home fully renovated about 6000 sq feet and we are doing a replacement of four old R22 units. The question is i… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
Let me tell you what my bottom line i, please. I live in a
Let me tell you what my bot***** *****ne i, please.I live in a converted barn and it utilizes a SpacePak Blower Coil Unit ESP-4860J high velocitysystem due to no duct work. It is a 4-5 ton system and … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I live in a high-rise condo which has three Trane Unitrane
Hi, I live in a high-rise condo which has three Trane Unitrane units that provide heating and cooling from a central boiler. The units are original to the building, 1964. I know that this sort of cond… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
How to remove front cover (face plate) from GE 5,,000 btu
How to remove front cover (face plate) from GE 5,,000 btu AC? I have a model AET05LQW1 GE 5,000 btu window air conditioner with a "slide in" filter and manual (not electronic) controls and thermostat.… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
We bought a newly built energy star efficient home in July 2011 in Orlando Florida. The pe
We bought a newly built energy star efficient home in July 2011 in Orlando Florida. The permit was granted April 23,2011. It falls under the 2.5 version for Energy Star. It is 3,640 sq ft. Downstairs … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I suspect that I have a frozen coil. The unit is HEIL Model
I suspect that I have a frozen coil. The unit is HEIL Model # *****###-##-#### ***** # ***** [gas furnace]. I know very little about A/C, but the unit is not cooling and I see condensation inside the … read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have a question about HVAC and swamp coolers. I live in
I have a question about HVAC and swamp coolers. I live in Saudi Arabia where the daily high temperature exceeds 115F and the dew point is over 70F. I have an air conditioned greenhouse that stays belo… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
My mother has a carrier heatpump,model # XXXXX - it
My mother has a carrier heatpump,model # XXXXX - it is not efficiently pumping out heat because a fine white powder keeps accumulating in the filter. she has had multiple service calls - no one can fi… read more
DennisMooreAC
DennisMooreAC
Service Engineer
Associate Degree
76 satisfied customers
Dear SirWhat is the cooling capacity of a carrier 69NT40-511
Dear Sir What is the cooling capacity of a carrier 69NT40-511 Refrigeration unit What is the condensing duty of a Carrier 69NT40-511 Refrigeration unit What is the condensing temperature for a Carrier… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Hi, I am in the DC area, and have 2 HVAC units in my apt. I
Hi, I am in the DC area, and have 2 HVAC units in my apt. I want to find a contractor to do a good cleaning of these units. (I have an infant, so i lack the time/inclination to do it myself!) The clea… read more
Wvfan79
Wvfan79
Mecanical Designer & Estimator
High School or GED
775 satisfied customers
The dilemma: Need to replace 3, 50 year old 15 ton Carrier
The dilemma: Need to replace 3, 50 year old 15 ton Carrier AC only roof top units. My 3 hot water coils and 3 evaporator coils are contained within the custom made original air handler. The boiler is … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I am building a new house for my family. House needs about
I am building a new house for my family. House needs about 5 tons of cooling (heat is in-floor, radiant). The way the house is laid out, it really calls for three separate zones. Zone 1 is the great r… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
Why must Honeywell ZD dampers be installed three feet from
Why must Honeywell ZD dampers be installed three feet from the furnace plenum? What happens if they are not? Also I have a Carrier SBP humidifier. Do you happen to know if they fall into the spray, at… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
i have a 750 ton chiller that surges only at high loads. the
i have a 750 ton chiller that surges only at high loads. the FLA vary 5% to 10% at that time and about once a minute it while drop from 90% to 60%then back up. To stop the surging I have to back the l… read more
Doug Scott
Doug Scott
Owner/Service Technician
Bachelor's Degree
42 satisfied customers
Came home the other day and my Heat pump was running but blowing
Came home the other day and my Heat pump was running but blowing hot air. I turned the brakers off and waited for 15 minutes. When I turned them back on, the Heat pump ran fine. I was wondering if thi… read more
BillyHvac
BillyHvac
Journeyman HVAC Tech
State Licensed Mechanical Contractor
23,181 satisfied customers
Glow Worm 35ci. Fanned Flue Combination Boiler. Serial Number
Glow Worm 35ci. Fanned Flue Combination Boiler. Serial Number XXXXXXXXXX The Boiler has now failed NINE times during a fifteen week period. New central heating and hot water system, together with all … read more
JBM HVAC
JBM HVAC
HVAC/R Technician
Vocational, Technical or Trade Scho
50 satisfied customers
I am trying to find out the approximate manufacuring date of
I am trying to find out the approximate manufacuring date of a furnace manufactured by Olsen Manufacturing Co, Ltd. It's got to be over 25 years old. The model # XXXXX XXXXX 140 and the serial # XXXXX… read more
Jason Martin
Jason Martin
Maintenance Supervisor
Vocational, Technical or Trade Scho
88 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