你的房子外墙的保温R值是多少？

lu_guo

是不是R=12 是 minimum requirement？R = 20的情况还有没有必要上升成R=22？据说大概要5到6刀/平尺啊。

无语

真深奥。。。

ceramistpalace

The higher R value, the better.

小黄

R22是什么工艺？
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3 Q) S/ w$ f# `/ {) Z* J一般如果是 Acrylic Stucco 外墙是R28

lu_guo

小黄 发表于 2013-10-14 21:36
# f" b# g3 }1 z( c% S4 W) i; ~R22是什么工艺？
! Q( z/ c3 D% a
* z+ W( {! \: g6 v5 k0 F$ V! w一般如果是 Acrylic Stucco 外墙是R28

6 T% G- \0 M, nR-20 fibreglass batt insulation to exterior walls. CGSB polyethylene vapour barrier. Basement foundation walls - R-12 fibreglass insulation c/w CGSB poly vapour barrier, ceiling to floor

小黄

$5/sf就升级2？毫无意义。

2 U4 @, F$ {% w( |查查你的窗户玻璃 R value 就知道了。

lu_guo

小黄 发表于 2013-10-14 21:51
6 x% Z2 a, k' P5 m! W$5/sf就升级2？毫无意义。
  v5 e; q% v% Z; }7 h9 b$ P
查查你的窗户玻璃 R value 就知道了。

你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

小黄

lu_guo 发表于 2013-10-14 20:58
8 O+ _" j$ `' |+ d7 r你说的对。窗户的R值只有2一4。墙上提高一点意义不大。

Triple pane double glaze = R8

lu_guo

Dual panes of clear glass, no coatings and no Argon 2.08 0.76 44% 81%
0 E; D0 Z; {  ]  W* D! T4 W* vTri Triple panes of clear glass, no coatings and no Argon 3.45 0.68 42% 74%
HS1A Dual panes of glass, one pane with Low E coating and Argon 3.45 0.72 57% 71%
* Z: s3 Z( c& D' A; E' h; o/ F3 \" ]HS2A Tripane glass, one pane with Low E coating and Argon 5.00 0.73 65% 68%
HS3A Tripane glass, two panes with Low E coating and Argon 6.25 0.56 73% 62%
HS4A Dual panes of glass, one pane with SunStop coating and Argon 4.00 0.40 71% 61%
* C6 K* C$ W/ l2 [) PHS5A Tripane glass, one pane with SunStop coating and Argon 5.26 0.37 75% 56%
' Y: ^6 C# h0 n+ l; ^, SHS6A Tripane glass, two panes with SunStop coating and Argon 8.33 0.30 86% 43%