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Maximum Window U-value with 90% AFUE space heating and RAO Foundation Wall Insulation -n
<br /> Max.Total Window and Door Area1.
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<br /> as a percent of exposed watt 10% 12% 14% 16% T$°lo 22°/0 24°/0 2S°k 28°l0
<br /> Wall Type: P
<br /> 2x4,8-13 insulation, <R-5 sheathing 0.37 0.37 0.33 0.28 0.25 0.22 0.20 0.16 0.17 0.15
<br /> 2x4,R-13 insulation, >R-5 sheathing 0.37 0,37 0.37 0.37 0.37 0.33 0.30 ; 027 0.25 0.23
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<br /> 2x4,R-13 insulation, >R-7 sheathing 0.37 0,37 0.37 ' 0• .37 0.37 Q.36 0.33 0.30 0.27 0.25 D
<br /> 2x6,R-19 Insulation, <R-5 sheathing 0.37 0.37 0.37 0.37 0.36 0.32 0.29 0.27 0.24 0.23 z
<br /> 2x6,8-19 Insulation, >R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.39 ' 0.35 0.32 1 0.29 0.27 ^ c3
<br /> 2x6,R-21 insulation,<R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.35 0.31 0.29 1 0.26 i 0.24 u°
<br /> 2x6,8-21 insulation,>R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.36 0.33 1 0.30 I 0.28 m
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<br /> Maximum Window U-value with 90% AFUE space heatin• and R-5 up to R-10 Exterior Foundation Wall Insulation 2
<br /> [Max. Total Window and Door Area
<br /> as a percent of exposed wall 10% 12% 14% 16% 18% 20% 22% 24% 26% 28°x6
<br /> Wall Type; s z
<br /> ci
<br /> 2x4,R-13 insulation, <R-5 sheathing 0.37 0.36 0.30 0• .26 0.23 0.20 0.18 0.16 0.15 0.14 m
<br /> 2x4,R-13 insulation, >R-5 sheathing 0.37 0.37 0.37 0.37 0.35 0.31 0.28 0.25 0.23 0.22 i o
<br /> '2x4,8-13 insulation,>R-7 sheathing 0.37 I 0.37 0.37 0.37 0.37 0.34 0.31 0.28 , 0.26 0.24
<br /> •2x6,8-19 insulation,<R-5 sheathing 0.37 10.37 0.37 0.37 0.34 0.31 0.28 0.25 t 0.23 0.21 m
<br /> 2x6,R-19 insulation, >R-5 sheathing 0.37 0.37 0.37 0.37 0.37• 0.37 033 0.30 0.28 0.26
<br /> 2x6,R-21 insulation, <R-5 sheathing 0.37 0.37 0.37 0• .37 0.37 0.33 0.30 0.27 0.25 0.23
<br /> 2x6,8-21 insulation, >R-5 sheathing 0.37 0.37 0,37 1 0.37 0.37 0.37 , 0.35 - 0.31 0.29 , 0.27
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<br /> • Maximum Window U-value with 90% AFUE_space heatin" and RR='treater foundation wall insulation
<br /> 1.Max.Total Window and Door Area
<br /> as a percent of exposed wall10% 12% 14% 16% 18% , 20% 22% 24% 26% 26% •
<br /> Wall Type: -
<br /> 2x4,:R-13 insulation, <R-5 sheathing 0.37 0.37_ 0.34 0.29 0.26 0.23 0.21 0.19 0.17 0.13
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<br /> 2x4,R-13 insulation, >R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.34 0.31 0.28 0.26 0.24 m
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<br /> 2x4,R-13 insulation,>R-7 sheathing 0.37 0.37 0.37 ; 0.37 0.37 0.37 0.34 0.31 0.28 0.24 N
<br /> 2x6,R-19 insulation, <R-5 sheathing 0,37 0.37 0.37 0• .37 037 0.34 ' 0.30 1 0.28 0.25 0.23 m
<br /> 2x6,8-19 insulation,>R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0,36 1 0.33 i 0.30 0.28 m
<br /> 24R-21 insulation,<R-5 sheathing 0.37 0.37 0.37. 0.37 0.37 _ 0.36 0.32 0.29 si 0.27 Q.25 "'
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<br /> • 2x6,R-21 insulation, >R-5 sheathing 0.37 :0.37,
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<br /> 'This is a summary only. Other requirements cony npply. See the Minnesoln Energy Code. G�
<br /> Questions'? Call Depnrtmcut of Public Service]nfor nation Center tit 651 296 5175 or 800 657 3710. / / Page
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