Advice on building an exterior door for house in extreme cold environment - Page 2
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  1. #21
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    Quote Originally Posted by Bill D View Post
    Btu's for how long?
    Bill D
    per hour as all such measurements are done

    if you are going after my shorthand, is spelling next?

  2. #22
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    As I think on it, air sealing is really improtant at those temps. a small leak will probably freeze the moisture coming out of the house so quickly it could freeze the door shut

    Cardinal makes some multiple coating triple pane that is R6 center of glass, I used some of this to make some custom sliders for my house and the inner pane measures something in the mid/low 60s when it is below zero out, ~69 degrees inside. This is not the kind of temps you are dealing with, but to give you frame of reference

    LoĒ Performance Statistics

    bottom of the page they get up to u.11, R9. I couldn't get them to build them that thick back 7 years ago.

  3. #23
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    Quote Originally Posted by SteveBausch View Post
    The client will eventually reconsider not having an airlock/mud room.
    Despite being a great idea, most houses don't have arctic entries. Mud room/entryway yes, but not a proper arctic entry. Even when people remodel and add an entryway, it is usually connected to the living area. If you have a two car garage, you're probably going through the garage most of the time anyway, which acts as a sort of arctic entry.

    The only place I've seen them used consistently is in the bush. You don't tend to see big garages, and people don't drive cars as much.

  4. #24
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    Quote Originally Posted by gustafson View Post
    per hour as all such measurements are done

    if you are going after my shorthand, is spelling next?
    I did not know the BTU's is always per hour. Thanks for the info. For AC it is tons per day or BTU's which I guess is per hour also. On the nameplates I have seen it just says BTUs with no mention of time.
    Bill D

  5. #25
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    Quote Originally Posted by richard newman View Post
    Gotta believe that the Alaskans (and Siberians, Tibetans, Tiera del Feugans, etc) have this figured out by now. Field trip!!!
    Buncha cheechakos. Real Alaskans just call another sled dog in and cuddle up


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