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  1. OK , So your Load is Dead ON because you ran it 3 times?

    Adam,

    In your calculations,

    What ACH value did you use?
    What % of Duct Loss/gain value did you use?
    What Design Temps?

    Have you run any tests to validate any of these values?
  2. Replies
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    EVERBODY is lying, we are simply talking about shades of grey

    OK,

    SEER tells you how Efficient your system is when it it 82 outside, no RH, and you bring the indoor temp down to 80.

    SEER is a totally bogus rating created to lie to our customers. We are...
  3. Replies
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    3,993

    Hey, Have you looked into a Geothermal System?...

    Hey,

    Have you looked into a Geothermal System?

    Could be just what you are looking for.

    ACBD
  4. Replies
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    1,899

    You are correct

    Yes my Friend,

    A very select few are getting the facts through testing.

    Most are doing loads calcs with out any testing and then trying to claim they are some how legit. Just a SWAG and worse...
  5. Replies
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    1,899

    OK , So what do we know

    Is there anything we do know?

    We don't know ACH, that could be .35 to 1.5 ACH/hr, We don't Know the system losses, those could be 5%-42%, we don't know what out side design we are going to use,...
  6. Replies
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    1,899

    OK, So you are somewhere between 3 and 5 tons.

    OK,
    This sounds about right for a Load Calc, Somewhere between 3 to 5 tons depending..

    ACBD
  7. Replies
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    1,899

    Hey, Try This

    Hey,

    Of course your problem and your contractors is the same, you are assuming a bunch of values that you really don't have any clue what they are. Your big guesses are the tightness of your house...
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    882

    The 2 Stage unit will be much more comfortable

    Hey,

    With the two stage unit you will be much more comfortable.It will run on 1st stage over 80% of the time, moving air,better IAQ, dehumidifying much better, where as the single stage will...
  9. Replies
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    4,171

    SEER is a BIG FAT LIE and HSPF is Worse

    Ok Lynn,

    You are correct:

    These metrics were created because our industry cannot sell anything without lying.

    SEER is telling you how efficient your AC is at 82 outside bringing indoor down...
  10. Replies
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    4,171

    GARBAGE IN GARBAGE OUT

    Hey Dan,

    My point is, the load calcs many posters insist a homeowner require are virtually worthless. They are gamed with numbers(ACH, Duct loss, Duct Leakage) to come out to the answers the user...
  11. SEER and HSPF are lies, We can't help ourselves, we lie about savings

    Hey,

    Be careful with SEER and HSPF, they are terribly unreliable for savings estimates. Both can overstate energy savings considerably,40%. The higher these numbers the bigger the lie. Your new...
  12. Replies
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    4,171

    LOAD CALC takes 90 Seconds

    OK,

    They are both right.

    Any one of these guys can do a Load Calc in about 90 seconds because they guess at the primary inputs. They guess at Air Changes per Hour, Duct loss, and Duct...
  13. YEA, and Way Oversold on Savings with out any documentation

    These guys were promising the moon in savings. A lot of BS and misrepresentations were made. Close to if not outright Fraud I would say.

    Oh well, they are history now.

    ACBD
  14. Replies
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    SO, what is the problem again?

    OK,

    Your is system is "working fine", is keeping your house at temperature and humidity levels you find comfortable in varying conditions, and seems to be "great".

    I think we are done here. ...
  15. I Offer A Slightly Different Perspective

    Mr. Seanhoang,

    You post has elicited a lot of great replies focusing on developing technical capabilities and a learning mindset. I am not allowed to touch the power tools and I come to our...
  16. Replies
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    3,546

    YOU GOTTA BE Clint Eastwood

    So, your load calc works against you.It does the opposite of what you think it does. Especially with High END consumers like those in Bergen NJ. I actually designed the system for EDDIE Murphy's...
  17. Replies
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    3,546

    OK , I will answer you questions

    So, your load calc works against you.It does the opposite of what you think it does. Especially with High END consumers like those in Bergen NJ. I actually designed the system for EDDIE Murphy's...
  18. Replies
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    3,546

    OK, I'LL Bite ( I think )

    Hey, MM#7

    I will answer each question, if you tell me why you ask?

    ACBD
  19. Replies
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    3,546

    Free Beer for Life!

    Hey beshavc.

    I have taught Load calcs to over 7000 guys. I have never ever heard any one ever tell me anything other than "My load calcs are accurate". It was always the other guy's calcs that...
  20. Replies
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    I did a Load Calc, Therefore I am Right, and the other Guy is a Moron!

    Hey AMD,

    You Just Told Me,

    "Re: Load calcs, they can be accurate if...

    - A blower door test is done and the cfm value at 50 pascals (I think) is plugged into the software
    - Insulation is...
  21. Replies
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    We Agree, 3% of OLD HOUSE CALCS have some merit.

    Hey AMD,

    We Absolutely Agree.

    I agree a load calc becomes more accurate if you do all the things you state.I would add a duct test to the list as this is an area where you can go from 7% losses...
  22. Replies
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    The man's name is Hank Rutkowski

    I am sure I am butchering his last name, Apologies.

    When I was young, this was the guy credited with writing the original Manual J. As Far as I know that is true.

    He was the guy.

    I went to a...
  23. Replies
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    OK Clocker, Last Time. Find a Pro who will test your House

    You would not be "cheeping out", she will love the comfort, especially if you check out the rest of your house and fix that stuff as well. Buying an 80% oversized furnace because you were "Chaeping...
  24. Thread: COP vs HSPF

    by AC Bad Dog
    Replies
    3
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    1,156

    Hey Norm, Let's draw you a picture. The...

    Hey Norm,

    Let's draw you a picture.

    The HSPF is a bad metric. But we will need another point to draw a line.
    If your contractor can't help you go to AHRI for the second Capacity point.
    Your...
  25. Replies
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    All Together Now, "We Suck Less!"

    Hey, I can here the chant gaining strength across the USA of HVAC.

    Three times?

    WE SUCK LESS!, WE SUCK LESS!, WE SUCK LESS!
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