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  1. Replies
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    Thanks for the replies. I'm done

    Thanks for the replies. I'm done
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    983

    Some knowledge. Thanks. With all the...

    Some knowledge. Thanks.

    With all the hammering you guys, the powers that be, do, about getting the
    Manuals J,D, and sometimes S, forgive me when I have a question that deviates from what has...
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    Thankx dash. I am under the assumption that...

    Thankx dash.

    I am under the assumption that the length(s) of the ducting is part of, not just the reason, of the Man D to help get the airflow down to the rooms requirement.

    As dash mentioned,...
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    The operative word in the opening post is, ...

    The operative word in the opening post is, length. Duct diameter is not going to be reduced. Defeats the purpose. I need that diameter to get the air into the room (s).

    Can I cut down on the...
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    The TEL is set from the Manual D. I need to chop...

    The TEL is set from the Manual D. I need to chop that way down to make it fit in my small arse attic. I would have ducting criss-crossing, blocking egress, etc.

    Is this doable or should I...
  6. Replies
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    It looks good on paper...

    First I must say that getting a few Manual J's and D's gives peace of mind.

    I've been going over the ducting, comparing the design(s) of each. I see that the ducting has a column for TEL. Also...
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    So, are you able to do the Manual J as well as...

    So, are you able to do the Manual J as well as the Manual D? You might want to add contact info to your profile.

    Since this is the Residential Forum, I'm thinking HO's such as myself would use...
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    This HO lives in a mild climate. Rarely into the...

    This HO lives in a mild climate. Rarely into the low 30's. Usually upper 30's to low 40's for a low during winter.

    This our third heating season with Heat Pump. Finally getting used to its...
  9. Thread: Air Temp

    by regis101
    Replies
    17
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    905

    This HO gets 120* at the farthest register when...

    This HO gets 120* at the farthest register when both are running.
  10. Our situation is similar. In my case, using a...

    Our situation is similar. In my case, using a White-Rodgers Heat Pump T-stat,
    I have it set for 1/2* on-off. It can also be set for 1 1/2*, IIRC, maybe 2.

    I have not had the inside temp drop...
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    Old Lennox. I, as a stoopid homeowner searching...

    Old Lennox. I, as a stoopid homeowner searching for the truth, would do another calc with your desired temps. My three paid Man J's used 75 on cool and 70 on heat. May be a industry standard.
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    I'm reading the opening post with the same...

    I'm reading the opening post with the same interest I have ( had ) with our home. At first, 3 tons seemed too large for our house. Did five load calcs and came up with a comfortable average number....
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    Not yet. I am looking forward to that project...

    Not yet. I am looking forward to that project with the hopes of even more savings once all is well.
  14. Replies
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    Our Dec 21-Jan 21 billing was only $25 more than...

    Our Dec 21-Jan 21 billing was only $25 more than the previous month. This takes into account some extra usage from the Christmas festivities. The temps were a tad cooler during this period. Some...
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    More info is available at city-data.com generic,...

    More info is available at city-data.com
    generic, but nonetheless

    About half way down is the weather.
  16. Replies
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    You need calc's. I have a newer 3 ton Heat...

    You need calc's.

    I have a newer 3 ton Heat Pump. It seems that the nominal airflow for this tonnage is 1200 cfm for all manufacturers. My duct is 14" with 7 registers. Noisy and breezy. 1135...
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    Well. See. It was inspected. But. My only...

    Well. See. It was inspected. But. My only defense is that the city inspectors inspected the install and not the engineering. Our city inspectors are multi trade. They know a little about a lot....
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    The Thank You Thread.

    Just wanted to say Thanks. As of this writing, I'm around 140 posts. All geared toward fixing our problem.

    Came in with a dilemma from not having had Calc's done or knowing to even ask for them. ...
  19. Duly noted. Thanks

    Duly noted.

    Thanks
  20. http://216.122.22.11/FetchDocument.aspx?ID=94012a8...

    http://216.122.22.11/FetchDocument.aspx?ID=94012a85-f3c4-4bfc-ba3d-30488742bf19

    Scroll down to page 6. Horizontal view. Shows the coil on the right of the blower, Fine print makes reference to...
  21. Uplflow vs downflow vs horizontal? I have the...

    Uplflow vs downflow vs horizontal? I have the latter.
  22. OK. Thanks

    OK. Thanks
  23. Cool. I'm not as think as I smart I am. I'm...

    Cool. I'm not as think as I smart I am.

    I'm under the impression that the coil is on the return side when using a Heat Pump. Reason(s) being that it's a draw through design and the heat strip...
  24. raises the question that if the evap coil is on...

    raises the question that if the evap coil is on the discharge side, it would heat up from the gas heat? Would be the same as having it on the discharge side of the heat strips?
  25. Making dual fuel out of existing Heat Pump

    This thread is a quickie but I want to throw it out there.

    We have a Heat Pump. This means that the evap coil is on the return side so as not to be affected by the aux heat strips.

    So, If I...
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