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,�0� City of Orono ,iob Site Address: � 5'� �ri��tC :� l�i�� �
<br /> P.O.Box 66
<br /> o��� �o �q52)2 9-4600 55323 ENERGY CODE W RKSHEET FOR
<br /> � ���
<br /> ���$`� ONE & TWO FAMILY DWELLINGS
<br /> INSTRUCTIONS: Complete Parts I, II and III. Clearly mark plans with: insulation R-values; windo«�and sl.-��li�ht U-values; size and
<br /> type of equipment; equipment controls; and location of interior air barrier, vapor retarder and ���ind���ash barriers. More detailed
<br /> information can be found in the Minnesota Energy Code Summary Sheets available from the Minnesota Department of Public Service.
<br /> Part I. BUILDING ENVELOPE
<br /> CheCk opti0n used: � "Cookbook"Method(complete worksheet below) ❑ MnCheck method(attach report)
<br /> ❑ Buildin�Component method(attach calculations) ❑ Systems Analysis method(attach analysis)
<br /> "Cookbook" Wor�sheet MIN��`rn`I�QU���NTS
<br /> for"Cookboot�"O tion)
<br /> HeatinQ svstem efficienc��: `Sinimum 90%AFLTE
<br /> INSTRUCTIONS 0 Entry Doors: 1'/<"solid«�ood or maximum U-value of 0.40
<br /> Step l. Chech item(s)that design meets on Niinimum Reguirements S li�hts: None ermitted
<br /> list to the right.Must meet all items to use Cookbook option. CY7 CeilinQ Insulation: Minimum R-38
<br /> Step 2. Indicate proposed wall type on table below. � Rim Joist Insulation: Minimum R-10
<br /> Step 3. Indicate Window U-value and source. �C] Floors over unconditioned s aces: Minimum R-30
<br /> Step=l. Verify total window(includin�area of all foundation win- Ri Foundation windows: '/" insulated olass in wood or vinyl
<br /> do�vs)&door area is equai or less than allowable percenta�e frame or maximum U-value of 0.�1
<br /> •TABLE FOR DETERIVIINING MAXIMUI�T��I�IDOW AND DO�R AREA
<br /> Maaimum Allowable Total Window and Door
<br /> Area as a Percentage of Exposed Wall � 10% 12% 14% 16% 18% 20% 22% 2d°/a 26°/a 28%
<br /> �VaII T e (R-5 u to R-10 Foundation Insul.): Maximum AveraQe tiVindow U-value exce 't foundation���indo�vs p 5.6 sf):
<br /> � 2s4, R-13 insulation,<R-5 sheathin� 037 ' 036 0.30. 0.26 0.23 020 0.18 0.16 0.15 01�
<br /> ❑ 2z4, R-13 insulation, �S R-� sheathinQ Q37 0.37 037 037 0.3� 03F 0.28 0.25 0.23 0.22
<br /> ❑ 2x4,R=t� insulation, dl R-7 sheathina 037 0.37 037 0.37 0.37 ` 034 0.31 0.28 0.26 0.24
<br /> ❑ 2x6, R-19 insulation, <R-5 sheathinQ Q.37 0.37 0.37 0.37 034 03I 0.28 02� 0.23 0.21
<br /> ❑ 2�c6, R-19 insulation, !l R-5 sheathinQ 0.37 - 0.37 037 d37 037 `037 0.33 0.30 0.28 0.26
<br /> ❑ ?x6, R-21 insulation, <R-5 sheathin� 037 '0.37 0.37 0.37 037 0.33 0.30 027 0.2� 0.23
<br /> ❑ 2x6,R-21 insulation, b R-� sheathin� 037 :0.37 037 ', 037 037 037 0.35 031 " 0?9 0.27
<br /> �Vall T� e(�vith R-10 Foundation Insulation): l�faximum AveraQe�h'indo�vU-value(exce t foundation windows p 5.6 s fl:
<br /> �7 2z4, R-13 insulation, <R-5 sheathina 037 ' 037 0.33 0.28 0.25 0.22 0.20 0.18 Q.17 0.1�
<br /> ❑ 2x4,R-13 insulation, b R-5 sheathin� -0.37 0.37 037 'Q37 0.37 0.33 030 0.27 02� 0.23
<br /> ❑ 2x4, R-13 insulation, b R-7 sheathinQ 0.37 037 - 037-" p37 037 .0.36 033 0.30 0.27 0.2�
<br /> 2z6,R-19 insulation,<R-5 sheathin� 0.37 037 037 037 037 032 0.29 0.27 Q24 0.23
<br /> �z6, R-19 insulation, b R-� sheathin� 037 0.37 0.37 '-0:37 037 -0.37 03� 0.32 �.29 0.27
<br /> ❑ 2x6,R-21 insulation, <R-5 sheathinQ 0.37 0.37 037' 0.37 037 0.35 0.3I 0.29 0'L6 0.24
<br /> � �'x6, R-21 insulation, !1 R-5 sheathin� Q37 0.37 0.37 03� 0.37 `'0.37 036 � 033 0.30 0.28
<br /> �Vali Tti e(�vith R�l 19 Foundation Insulation): Maximum Averatre Window U-value(exce t foundation�i�indows p 5.6 s�:
<br /> ❑ 2x�3, R-13 insulation, <R-� sheathintr 037 0.37 034 0?9 �26 0.23 0.21 0.19 0.17 0.16
<br /> ❑ 2x4,R-13 insulation, b R-� sheathina 0.37 " 0.37 037 037 0.37 0.34 031 0.28 0.26 0.24,
<br /> ❑ 2x4,R-U insulation, �tl R-7 sheathina 037 ' 0.37 037 037 037 - 037 03� 03t 0.28 0.24';-
<br /> ❑ 2�6,R-19 insulation, <R-� sheathinQ 037:'_ 0.37 0.37 037 0.37 0.34 030 0?8 0.25 0:?3
<br /> ❑ 2x6, R-19 insulation, b R-� sheathin� 0.3'7 :0.3? 0.37 037 0.37 _037 0.36 033 O..iO 0.28:.L
<br /> ❑ 2�6, R-21 insulation, <R-5 sheathinQ 0.37 037 037 037 037 036 432 0.29 0.27 0.25
<br /> ❑ 2x6,R-31 insulation, b R-� sheathing 437 , 0.37 0.37 0.37 0.37. -0.37 037 � 0.34 031 0.29
<br /> VVindow U-value: �:. 7 i � ;Source: � NFRC ❑ Code Default Table (see Pan 7670.0700) f
<br /> � � � � _ ,, . t� °/ < �' % � -
<br /> �oo x f � � y,�.c;, , , ° ��;
<br /> '""�` �vindow&door area �ross esp�sed tivall area DESIGN ALLO�'ABLE (from table above)
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