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<br /> ' f' �" '� City of Orono Job Site Address:
<br /> O P.O.Box 66 ��i--':,--
<br /> �� a�'f�!�`f L��'I'3 �C���j
<br /> l\t, Crystal Bay,MN 55323
<br /> (952)249 460
<br /> tJE
<br /> ERGY CODE WORKSHEET FOR
<br /> & TWO FAMILY DWELLINGS
<br /> INSTRUCTIONS: Complete Parts I, II and III. Clearly mark plans with: insulation R-values; window and skylight U-values; size and
<br /> type of equipment; equipment controls; and location of interior air barrier, vapor retarder and windwash 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 option used: ❑ "Cookbook"Method(complete worksheet below) 2Y MnCheck method(attach report)
<br /> ❑ Building Component method(attach calculations) ❑ Systems Analysis method(attach analysis)
<br /> "Cookbook" Worksheet MINIMUMREQUIREIVIENTS
<br /> (for"Cookbook"Option)
<br /> j21 Heating system efficiency: Minimum 90%AFUE
<br /> INSTRUCTIONS 0 Entry Doors: 1'/4"solid wood or maximum U-value of 0.40
<br /> Step 1. Check item(s)that design meets on Minimum Requirements ❑ Skylights: None permitted
<br /> list to the right. Must meet all items to use Cookbook option. W Ceiling 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. ❑ Floors over unconditioned spaces: Minimum R-30
<br /> Step 4. Verify total window(including area of all foundation win- ❑ Foundation windows: '/2" insulated glass in wood or vinyl
<br /> dows)&door area is equal or less than allowable percentage frame or maximum U-value of 0.51
<br /> •TABLE FOR DETERMINING MAXIMUM WINDOW AND DOOR AREA
<br /> Maximum Allowable Total Window and Door
<br /> Area as a Percentage of Exposed Wall 10% 12% 14% 16% 18% 20% 22% I 24% 26% 28%
<br /> Wall Type (R-5 up to R-10Foundation Insul): Maximum Average Window U-value(except foundation windows p 5.6 sf):
<br /> ❑ 2x4, R-13 insulation, <R-5 sheathing 0.37 0.36 0.30 - 0.26 0.23 .' '020 0.18 0.16 0.15 0.14
<br /> ❑ 2x4, R-13 insulation, It R-5 sheathing 0.37 0.37 0.37 0.37 0.35 0.31 0.28 0.25 0.23 0.22
<br /> U 2x4,R-13 insulation, & R-7 sheathing 0.37 0.37 0.37 0.37 0.37 '', ..`:0.34 0.31 0.28 0.26 - 0.24
<br /> ❑ 2x6,R-19 insulation,<R-5 sheathing 0.37- `0.37 - 0.37 " 0.37 _ 0.34 .0.31 0.28 I 0.25 0.23 0.21
<br /> ❑ 2x6,R-19 insulation, b R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.33 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,R-21 insulation, b R-5 sheathing 9.37 0.37 0.37 -0.37 0.37 0.37 0.35 0.31 0.29 0.27
<br /> Wall Type(with R-10 Foundation Insulation): Maximum Average Window U-value(except foundation windows q 5.6 sf):
<br /> ❑ 2x4,R-13 insulation, <R-5 sheathing 0.37 0.37 0.33 0.28 0.25 0.22 0.20 0.18 0.17 0.15
<br /> ❑ 2x4,R-13 insulation, b R-5 sheathing 0.37 0.37 0.37 0.37 0.37-r ; 0.33 0.30 0.27 0.25 0.23
<br /> ❑ 2x4,R-13 insulation, b R-7 sheathing 0.37 0.37 0.37 ` 0.37 0.37 0.36 0.33 0.30 0.27 0.25
<br /> ❑ 2x6,R-19 insulation, <R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.32 0.29 , 0.27 0.24 0.23
<br /> ❑ 2x6,R-19 insulation, & R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.35 0.32 0.29 027
<br /> O 2x6, R-21 insulation, <R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.35 0.31 0.29 0.26 0.24
<br /> • 2x6,R-21 insulation, b R-5 sheathing 0.37 0.37 0.37 0.37 0.37" 0.37 0.36 0.33 0.30 0.28
<br /> Wall Type(with RI}19 Foundation Insulation): Maximum Average Window U-value(exc t foundation windows <=> 5.6 sf):
<br /> U 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 0.16
<br /> ❑ 2x4,R-13 insulation, a R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.34 0.31 0.28 0.26 0.24
<br /> O 2x4,R-13 insulation, b R-7 sheathing 0.37 ` 0.37 0.37 0.37 0.37 0.37 0.34 0.31 0.28 0.24
<br /> ❑ 2x6,R-19 insulation, <R-5 sheathing 0.37 . 0.37 0.37 '' 0.37 0.37 034 0.30 0.28 0.25 0.23
<br /> O 2x6, R-19 insulation, 43 R-5 sheathing 0.37 0.37 0.37 0.37 0.37 _037 0.36 0.33 0.30 0.28
<br /> ❑ 2x6, R-21 insulation, <R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.36 0.32 0.29 _ 0.27 0.25
<br /> ❑ 2x6,R-21 insulation, & R-5 sheathing 0.37 0.37 0.37 0.37- 0.37 -=0.37 0.37 I 0.34 0.31 0.29
<br /> Window U-value: I Source: ❑NFRC 0 Code Default Table (see Part 7670.0700)
<br /> 100X _ % <
<br /> "'=°° window&door area gross exposed wall area DESIGN -ALLOWABLE (from table above) -
<br /> 13
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