Search:

Type: Posts; User: tlj000

Page 1 of 3 1 2 3

Search: Search took 0.01 seconds.

  1. Thread: tapatalk issue?

    by tlj000
    Replies
    3
    Views
    158

    I had the same issue for 2 or 3 days. I didn't ...

    I had the same issue for 2 or 3 days. I didn't do anything and today it seems to work Fine?

    Sent from my SM-T810 using Tapatalk
  2. Replies
    13
    Views
    670

    That is correct for measuring a cap. But that...

    That is correct for measuring a cap. But that won't tell you what the cap was manufactured to be.
    If you measure 45 uf. You won't know if it's good 45 or a 50 that's 10% low
  3. Replies
    69
    Views
    2,694

    It might get the square footage in the ball park...

    It might get the square footage in the ball park but thats about it.
    Window type?
    Window shading?
    Ductwork location?
    Ductwork insulation
    Cond. Basement?
    Depth below grade
    Cathedral ceilings?...
  4. Replies
    22
    Views
    1,045

    The manual J shows a 3000 btuh cooling load for...

    The manual J shows a 3000 btuh cooling load for the lower level
    If the duct work for the lower level is in conditioned space. A 3k load does not look correct.
    Ignore the manual D until the load and...
  5. Replies
    22
    Views
    1,045

    That link is a good read and a great example of...

    That link is a good read and a great example of why homes are built differently in different climate zones.
    Sounds like the home is past the design stage and will be a standard stick built?

    ...
  6. Replies
    22
    Views
    1,045

    If you lived in a humid enviroment you may see ...

    If you lived in a humid enviroment you may see .65 - .75 but not in the desert.
    According to the load calc you don't have any latent load. So SHR = 1.00 may be okay.
  7. Did you give the supplier your sensible and...

    Did you give the supplier your sensible and latent cooling load or just ask for a 2 ton system?
  8. Replies
    22
    Views
    1,045

    Orientation is correct. I thought you were...

    Orientation is correct. I thought you were questioning it. At the bottom of the report it says " front door faces south" you can ignore that.
  9. Replies
    22
    Views
    1,045

    For starters. Orientation of the house has to be...

    For starters.
    Orientation of the house has to be correct.
    The worksheet shows 463 sqft of uninsulated ceilings. (C part ceiling) that should be corrected.
    On page 1 under "design conditions" the...
  10. Replies
    8
    Views
    416

    You said " My goal is to upgrade the system to...

    You said " My goal is to upgrade the system to make it run as efficiently as possible" you will never have an efficient "system" if you don't address the heat loss of that foundation wall. All of...
  11. Replies
    3
    Views
    369

    What you were told " use 40 - 60 btu per square...

    What you were told " use 40 - 60 btu per square foot" is what's called a guesstimation.
    Just search the forum and google you will find plenty of info on doing a proper load calculatiom
  12. I can't recommend one over the other, not enough...

    I can't recommend one over the other, not enough experience with all the different brands.
    I personally don't like instant DHW heaters but with the size of your build and the budget, it is likely...
  13. A wall hung combo unit (heat and hot water) may...

    A wall hung combo unit (heat and hot water) may be your best bet.
  14. Replies
    9
    Views
    1,372

    Picture this. If you took a plastic bag,say a...

    Picture this. If you took a plastic bag,say a kitchen trash bag. If you put it in a 12 inch round duct and then fill the bag with just enough air that the bag fills the duct. Now push the bag through...
  15. Replies
    41
    Views
    10,928

    Best prices to start and a discount. Thanks!!

    Best prices to start and a discount. Thanks!!
  16. Replies
    21
    Views
    2,235

    Wow. you need to start learning your trade. ...

    Wow. you need to start learning your trade.

    you could start here

    https://www.youtube.com/watch?v=ybwiG-OcKoQ#t=16
  17. Replies
    21
    Views
    2,235

    What was your measured air flow?

    What was your measured air flow?
  18. As per kdean1. Did he measure air flow? No...

    As per kdean1.
    Did he measure air flow? No reason to add refrigerant if he didnt measure air flow
  19. what is it? 3000 CFM of combustion air,1400 degree stack temp

    What is it ?

    3000 CFM of combustion air
    1400 degree stack temp
    44 Amp igniter
    stoichio metric 1.7:1 air/fuel mixture


    I thought this was fascinating.
  20. Thread: Geothermal

    by tlj000
    Replies
    3
    Views
    578

    Your question is extremley vague. To size a...

    Your question is extremley vague. To size a system correctly someone would need location, orientation, construction details, glazing details among other things.
    Although some people in my area say ...
  21. Replies
    33
    Views
    2,344

    Ask for a copy of the load calcs and compare the...

    Ask for a copy of the load calcs and compare the entries. All of the house details you stated should match
  22. Replies
    17
    Views
    1,860

    35 feet of 4 inch flex duct installed by an...

    35 feet of 4 inch flex duct installed by an electrician. I suspect a fan that makes noise but doesn't move air
  23. Replies
    39
    Views
    5,979

    Take a look at the attached bid comparison sheet

    Take a look at the attached bid comparison sheet
  24. Replies
    39
    Views
    5,979

    Keep in mind duct work and the amout of air...

    Keep in mind duct work and the amout of air flowing through it plays a large roll in capacity. Just because the name plate on your current system says its 3 ton, doesn't mean its delivering 3 tons....
  25. That makes alot of sense. Is there any...

    That makes alot of sense. Is there any documentation that you know of on this. I know a guy who likes to use shared returns, it just doesn't seem right to me. He argues that it fine.
  26. Replies
    14
    Views
    4,250

    He is a real believer in "Sometimes you have to...

    He is a real believer in "Sometimes you have to make do with what you have"
  27. Replies
    18
    Views
    5,604

    The space between the bottom of the AH and the...

    The space between the bottom of the AH and the return is used for noise control and humidification
  28. Replies
    82
    Views
    7,931

    As others have said, forget about any equipment...

    As others have said, forget about any equipment changes or upgades until you have your building enclosure and duct work in order.
    Don't let geothermal even cross you mind again. At this point that...
  29. Replies
    1
    Views
    609

    Yea the Chinese manufacturers had a huge number...

    Yea the Chinese manufacturers had a huge number of booths.
    Who knew there were 25 - 30 different brands of ductless splits. (At least brand names, who knows who makes them)
  30. Replies
    28
    Views
    3,911

    Jack Rise does a better job explaining than I...

    Jack Rise does a better job explaining than I can. Read this from an earlier post.

    http://acinewyork.org/sites/default/files/session/82728/ny12hvac2risejack.pdf
  31. Replies
    28
    Views
    3,911

    When you calculate your friction rate and the...

    When you calculate your friction rate and the result is something other than .1. You will need those other numbers.
  32. Replies
    28
    Views
    3,911

    [/COLOR] No your not using the ductulator...

    [/COLOR]

    No your not using the ductulator right. You can't pick a random friction rate. you need to calculate it based on the total equivalent length of your run.
    The duculator does not know if...
  33. Replies
    28
    Views
    3,911

    Download this pdf file ...

    Download this pdf file

    http://acinewyork.org/sites/default/files/session/82728/ny12hvac2risejack.pdf
  34. Replies
    28
    Views
    3,911

    I don't believe you will find an option for .10...

    I don't believe you will find an option for .10 static pressure on your ductulator. what your likely looking at is friction rate.
    Friction rate is calculated not picked, based on the total...
  35. Replies
    16
    Views
    1,900

    Agreed. Forget about how to heat and cool. Until...

    Agreed. Forget about how to heat and cool. Until you know how much you need to heat and cool.
  36. "air conditioning isn't necessary" If you don't...

    "air conditioning isn't necessary"
    If you don't need AC why go with forced hot air, are the electric rates in your area really cheap?

    I'd go for a Hydronic system and lots of insulation.
  37. Example of why its not a good idea. A piece of...

    Example of why its not a good idea.
    A piece of copper pipe at room temp.
    I cleaned the top part of the pipe and left the bottom as I found it.

    Which temperature would you pick?

    398831
    398821
  38. Thread: Hvac buddy

    by tlj000
    Replies
    10
    Views
    1,591

    I can tell you for sure there is not an entry...

    I can tell you for sure there is not an entry labeled "beer can cold" or air flow measurement based how they feel to the hand.

    So that might throw some people off. :grin2:
  39. Replies
    72
    Views
    7,085

    ACCA is trying to establish a Quality assurance...

    ACCA is trying to establish a Quality assurance program. As it looks there aren't to many contractors that feel the customers are willing to pay for quality assurance. The majority of customers look...
  40. Thread: Inspection???

    by tlj000
    Replies
    18
    Views
    4,255

    It's clean and shiny

    It's clean and shiny
  41. Thread: Microfarads

    by tlj000
    Replies
    12
    Views
    1,552

    http://www.packardonline.com/cap_training/player.h...

    http://www.packardonline.com/cap_training/player.html

    This is a good video on caps
  42. Replies
    13
    Views
    3,594

    Is your home part of a large development built by...

    Is your home part of a large development built by a large scale production builder?
    It's sad but some builders go with the low bid contractors and when nobody inspects the work and holds them...
  43. Replies
    8
    Views
    1,711

    Today may be a reasonable day in North East in PA...

    Today may be a reasonable day in North East in PA (high 80s low 90s) to evaluate how well your current system is working.

    Is every room comfortable,
    is the temperature even though out the house....
  44. Replies
    13
    Views
    3,594

    Depending on the permit date of your home it...

    Depending on the permit date of your home it would have been built to the 2007 or 2010 Florida energy conservation code

    Chapter 4 section 403.5 states the code requirement for ventilation.
    ...
  45. Replies
    17
    Views
    3,099

    drt125 would you mind contacting me. I have an...

    drt125

    would you mind contacting me. I have an opinion that I prefer not to voice on the open forum.
    My email is in my profile.

    Thanks
  46. Replies
    7
    Views
    811

    3210 CFM50 means almost nothing without first...

    3210 CFM50 means almost nothing without first knowing the size of the house.

    Example- if you live in a 1200 sqft ranch with 8 foot ceilings. 3210 CFM50 would indicate that the air in your home...
  47. Thread: Leak detectors.

    by tlj000
    Replies
    24
    Views
    4,296

    From what I understand some of the less expensive...

    From what I understand some of the less expensive or older units. Have sensors that degrade over time and have to be replaced. If you use it on a regular basis and replace the sensor at set intervals...
  48. Replies
    6
    Views
    1,433

    EnergyStar Homes are suppose to have mechanical...

    EnergyStar Homes are suppose to have mechanical ventilation based on ASHRAE 62.2. Your home should have approximately 70 CFM of outside air delivered 24 hours a day.

    The type, size and quantity...
  49. Replies
    13
    Views
    2,430

    Iím missing something here. Let just say the...

    Iím missing something here.

    Let just say the burner is 100% efficient.
    If the load requires 1gph running 24 hrs. that would be 3,336,000BTU/24hrs
    Your examples of nozzle and run times and...
  50. Replies
    26
    Views
    6,910

    Nice work. But I must say I hate to see all that...

    Nice work.
    But I must say I hate to see all that exposed copper mounted on un insulated masonry. (unless its insulated on the outside)

    95% system mounted on a giant heatsink = ?%.
Results 1 to 50 of 145
Page 1 of 3 1 2 3

Related Forums

Plumbing Talks | Contractor MagazineThe place where Electrical professionals meet.
Comfortech 365