HVAC

Have HVAC questions? Ask an HVAC Expert for answers

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

Related HVAC Questions
How often can i chnage the air in a 20 by 10 By 8 ft room
Hi how often can i chnage the air in a 20 by 10 By 8 ft room Using fantch FKD10XL with Muffler 50 foot 10 ' round duct work to exterior using your dampers in line … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
My question is about a duct plan for 1140 sq ft apartment
My question is about a duct plan for 1140 sq ft apartment (second floor of a heated/cooled first floor with new double pane windows). I am installing a 2.5 ton AC to cool 6 rooms. My supply ell throug… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Minimum Zoning with Trane XV18 5 Ton, or strategies
How small a space can I zone with an XV18 5 ton unit, or what strategies must be employed for this situation below? 5 tons is required when the entire house is cooling. The zone I have in mind is only… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,963 satisfied customers
How do I size the supply plenum and the return plenum for a
How do I size the supply plenum and the return plenum for a carrier 48HJE014 roof top unit? What size plenum is recommended? I have 23 inches of room between my roof and Ceiling.… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
have a mcquay swp070 water cooled single package unit with
have a mcquay swp070 water cooled single package unit with following problem the sps1 sw never reaches setpoint [1 in wc ] it always stays around .40 with fan running at full 60 hz sw was replaced and… read more
Brian HVAC Guy
Brian HVAC Guy
HVAC Technician
High School
1,024 satisfied customers
I am an HVAC contractor I just installed a Honeywell Zone System
I am an HVAC contractor I just installed a Honeywell Zone System on new 60,000 Btu furnace with about 800 cfm airflow. It has three zones , 2 x 12" 1 x 10" and a 10" barometric damper. I have done a f… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I have recently installed an additional supply line to a new
I have recently installed an additional supply line to a new room in my house. I noticed the condensate dripping into the emergency drain pan beneath the unit. I also noticed when I disconnected the c… read more
Comfort Specialist
Comfort Specialist
Mechanical Designer & Estimator
Vocational, Technical or Trade School
1,368 satisfied customers
we have a carrier system with multiple zones on one air handler.
we have a carrier system with multiple zones on one air handler. In order to be able to have remote access to the system, we installed Ecobee thermostats, because the carrier infinity remote access do… read more
A-1 Tech
A-1 Tech
Service Manager
Vocational, Technical or Trade Scho
526 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
7,634 satisfied customers
I have a new Carrier air handler FB4CNF018T00 that I will connect
I have a new Carrier air handler FB4CNF018T00 that I will connect to a 38HDR018 compressor. What size inlet air duct should I use? The inlet filter is 20x20. I have four equally spaced 6x8 registers i… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I just had a York 5 ton heat pump installed. At my second story
I just had a York 5 ton heat pump installed. At my second story return the draw is weak and the velocity at the register is weak. Down stairs is okay. There has been no changes to the original duct wo… read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,514 satisfied customers
I want to determine the cfms on the discharge of a residential
I want to determine the cfms on the discharge of a residential furnance. I have a magnehelic, static pitot tube and a total pressure probe to use. There is no paper work to go with the furnance but I … read more
Douglas
Douglas
Vocational, Technical or Trade Scho
3,087 satisfied customers
can you please tell me the size of this unit in our church.
can you please tell me the size of this unit in our church. its a trane torridor #212fb3, ser. #d 6946. it has a 2 h.p. single phase blower motor and a hot water heating coil.we would like to replace … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
I am going to have a 15K ARUF 1200 CFM electric Goodman installed
I am going to have a 15K ARUF 1200 CFM electric Goodman installed in a shop by a local contractor. Size is 1000 square feet with 12 foot ceiling. 54 feet long, 15 feet wide and an 8 foot by 27 foot bu… read more
Matthew
Matthew
HVAC Technician
Bachelor's Degree
2,014 satisfied customers
Good day. I have a building with several offices Total cubic
Good day. I have a building with several offices Total cubic ft is 16000. What size supply and exhaust fan i need to use to achieve exchange of air 10? Can you give the work out?… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,634 satisfied customers
Hello, My name is Travis. My family and I just moved into
Hello, My name is Travis. My family and I just moved into a new home and I am looking into how to get better heat distribution to one end of the home. The home is 2,500 square feet on the first level … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
Blower motor does not shut off when temp reaches setpoint.
Blower motor does not shut off when temp reaches setpoint. When heat pump is in emergency heat mode house hits set point and the blower changes to a slow speed but does not shut off. The heat pump run… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,375 satisfied customers
a house a bought is being remodeled..... we doubled the footage
a house a bought is being remodeled..... we doubled the footage by finishing a walk out basement.. the contractor????? is doing ALL the work. he clearly is no havc guy and is trying to save a buck....… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,963 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:

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