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<br /> Q, City of Orono Job Site Address:
<br /> O O P.O.Box 66
<br /> .:� Crystal Bay,MN 55323 ENERGY CODE WORKSHEET FOR
<br /> 5- °�ti (952)2494600 ONE & TWO` FAMILY DWELLINGS
<br /> INSTRUCTIONS: Complete Parts 1, 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 Eneray 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) ❑ MnCheck method(attach report)
<br /> ❑ Building Component method(attach calculations) ❑ Systems Analysis method(attach analysis)
<br /> « �� MINIMUM REQUEREMENTS
<br /> Cookbook Worksheet (for"Cookbook"O t;on
<br /> ❑ -Heating system efficiency: Minimum 90%AFUE
<br /> INSTRUCTIONSEntry Doors: 13/d'solid wood or maximum U-value of 0.40
<br /> Step 1. Check item(s)that design meets on.lfinimum Requirements ❑ kvlights: None permitted
<br /> list to the right.Must meet all items to use Cookbook option. 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: ''/i" insulated glass in wood or vinyl
<br /> doves) door area is equal or less than allowable percentage frame or maximum U-value of 0.51
<br /> TABLE FOR'DETERMINING 1'IAXINIUM WIi\TDOW AND DOOR AREA
<br /> Maximum Allowable Total Window and Door
<br /> 200
<br /> Area as a Percentage of Exposed Wall' 10% 12% ;14% 16% 18%° /° 22% 24% 26% 28%`
<br /> Wall Type (R-5 up to R-10 Foundation Insul.): Maximum Average Window U-value(except foundation windows p 5.6 sf):
<br /> ❑ 2x4,R-13 insulation, <R-5 sheathing 0.37 0.36 030 026 0.23,,' 0.20 0.18 0.16- 0.15 0.14
<br /> ❑ 2x4,R-13 insulation, b R-5 sheathing 0.37 037 0.37 ' 037 0.35 0.31 0.28 -0.25 0.23 0.22
<br /> ❑ 2x4,R-13 insulation, b R-7 sheathing 0.37 0.37 0.37 037 0.37 0.34 0.31 0.28 0.26 0.24,
<br /> Cl 2x6, R-19 insulation, <R-5 sheathing 0.37 '0.37 0.37 0.37 - 0.341, 0.3.1 0.28 0.25 0.23 021
<br /> ❑ 2x6,R-19 insulation, D R-5 sheathing 0.37 037 0.37 0.37 0.37 0.37, 0.33 0.30 0.28 026
<br /> ❑ 2x6,R-21 insulation, <R-5 sheathing 0.37 037 1 0.37 0.37 0.37 1-0.33 0.30 0.27 0.25 0.23
<br /> ❑ 2x6,R-21 insulation, G R-5 sheathing 0.37 037 1 0.37 ' °037 037 037 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 0.37 033 028 0.25 =0.22 0.20 0.18 0.17 0.15
<br /> ❑ 2x4,-R-13-insulation, 5 R-5 sheathing 0.37 0.37 0.37 0.37 0.37 0.33 0.30 ' 0.27 0.25_ 0.23
<br /> ❑ 2x4,R-13 insulation R-7 sheathing 0.37 037 0.37 0.37 0.37 0.36 0.33 0.30 0.27 0.25
<br /> ❑ 2x6.R-19 insulatio ,< -' sheathing 0.37 0.37 0.37 037 0.37 0.32 0.29 0.27 0.24 0.23
<br /> 2x6, R-19 insulatio ,D -?sheathing 0.37 0.37 0.37 0.37 0.37 0.37 0.35 - 0.32 ._9 0.27
<br /> ❑ 2x6. R-21 insulation, <R-5 sheathing 0.37 0.37 0.37 0.37 0.37 035 ;, 0.31 1 0.29 .26 0.24
<br /> ❑ 2x6. R-21 insulation, b R-5 sheathing 0.37 0.37 0.37 037 0.37 0.37 0.36 1 0.33 0.30 0.28
<br /> Wall T�pe(with R,519 Foundation Insulation): Maximum Average Window U-value(except foundation windows a 5.6 sf):
<br /> ❑ 2x4,R-13 insulation,<R-5 sheathing 0.37 0.37 0.34 029 0.26 0.23 0.21 0.19 0.17 0.16
<br /> ❑ 2x4,R-13 insulation, b R-5 sheathing 0.37 0.37 0.37 0.37 0.37 "0.34 0.31 0.28 0.26 0.24
<br /> ❑ 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 -0.34 0.30 028 0.25 0.23'`
<br /> ❑ 2x6,R-19 insulation, a R-5 sheathing 0.37 0.37 037 0.37 0.37 0.37 0.36 0.33 0.30 0.28,-
<br /> •
<br /> .28❑ 2x6,R-21 insulation, <R-5 sheathing 037 0.37 0.37 037 0.37 : 0.36 0.32 0.29 027 0.25
<br /> ❑ 2x6,R-21 insulation, b R-5 sheathing 0.37 0.37 0.37 = 0.37 0.37 . 0.37 0.37 - 0.34 1 0.310.29
<br /> Window U-value: Q Source: ❑NFRC ❑ Code Default Table (see Part 7670.0700)
<br /> 100 X a X1(00 - % < ,ol
<br /> window&:door area gross exposed wall area DESIGN ALLOWABLE (from table above)
<br /> 14
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