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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />6A-1 SUMMER OVERHANG FACTORS (SOF) FOR SINGLE AND DOUBLE PANE GLASS.
<br />
<br />CLIMATE ZONES 4 5' 6
<br />
<br />l 7
<br />(.)a:: 1. O. 0, .7 0,
<br />~o Southwest 1.00 0.997 0.956 0.793 0.709 0.645 0.479
<br />ml West 1.00 0.994 0.964 0.834 0.757 0.691 0,500
<br />Northwest 1.00 0.995 0,966 0.857 0.798 0.751 0,616
<br />OH Len th 0.0' 1.0' 1.5' 3.0' 3.5' 4.5' 9,5'
<br />
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS (SPM)
<br />
<br /> FRAME CONCRETEBLOCKINORMAL WTl FACE BRICK LOG
<br /> INTERIOR EXT. R-VALUE WOODFR R-VALUE BLOCK
<br /> WOOD STEEL INSULATION INSUL. 0-6.9 2,9 0-2,9 1.0 6 INCH 8 INCH
<br />R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10,9 ,6 3-6,9 .6 R-VALUE EXT EXT
<br />0-6,9 6.4 2.2 8.9 2.9 0-2.9 2,5 ,9 2.5 11-18,9 .4 7-9.9 .4 0-2,9 1.7 1.0
<br />7-10,9 2.3 .8 4,1 1.3 3-4,9 1.4 .7 .7 19-25.9 ,2 10&UP ,2 3-6.9 1.1 .8
<br />11-12.9 1.9 .7 3.0 1.0 5-6.9 1.0 .6 .3 26& Uo .1 7&Uo .8 ,7
<br />13-18.9 1.7 .6 2.8 0,9 7.10,9 .8 .4 .1
<br />19-25,9 1.0 .3 2.4 0.8 11-18.9 .4 .3 0
<br />26& Uo .6 .2 1.3 0.4 19-25.9 ,2 .2 I NOTE: SEE SECTION 2.0 OF APPENDIX C FOR MULTIPLIERS I
<br /> 26 & Uo .1 .1 OF ENVELOPE COMPONENTS NOT ON THIS FORM.
<br />
<br />6A-3 DOOR SUMMER POINT MUL TIPUERS (SPM)6A-4 CEILING SUMMER POINT MULTIPLIERS (SPM)
<br />
<br /> TIC
<br />R-VALUE SPM R-VALUE SPM CEILING TYPE
<br />19-21.9 1.1 10-10.9 3.0 R.VALUE EXPOSED DROPPED
<br />22-25.9 .9 11-12.9 2.7 10-13.9 3.43 2.98
<br />26-29.9 .7 13-18,9 2.4 14-20.9 2.41 2.14
<br />30-37,9 ,6 19-25.9 1.8 21 &Up 1.45 1.31
<br />38Tup .4 26-29,9 1.1
<br />RBS Creel!t U.fU 30& Up 0,9
<br />
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2.4
<br />INSULATED 4.8 1.6
<br />
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS SPM
<br />
<br />SLAB-DN-GRADE RAISED
<br />EDGE INSULATION CONCRETE
<br />
<br />R.VALUE SPM SPM
<br />0-2.9 -31.9 -1.0
<br />3-4.9 -31.8 -1.7
<br />5-6.9 .31.7 -1.7
<br />7&Up .31.6 -1.7
<br />
<br />
<br />R-VALUE
<br />0-6.9
<br />7-10.9
<br />11-18.9
<br />19&Up
<br />
<br />POST OR PIER
<br />CONSmUCTION
<br />SPM
<br />4,50
<br />2.28
<br />1.83
<br />1.36
<br />
<br />RAISED WOOD
<br />STEM WALL wI UNDER
<br />FLOOR INSULATION
<br />SPM
<br />-5,8
<br />.2,8
<br />-2.2
<br />-1.8
<br />
<br />ADJACENT
<br />
<br />SPM
<br />5,3
<br />2.1
<br />1.8
<br />1.0
<br />
<br />
<br />6A-7 DUCT MULTIPLIERS DM See Table 6-10 for Code minimums.
<br />DUCT
<br />R-Value
<br />4,2
<br />6,0
<br />8.0
<br />42
<br />Attic with Radiant Barrier (RBS) 6,0
<br />8.0
<br />4.2
<br />6.0
<br />8,0
<br />
<br />SUPPLY DUCTS IN:
<br />
<br />RETURN DUCTSln:
<br />UNCONDITIONED SPACE Arnc WITH RBS CONDITIONED SPAC
<br />1.065 1.061 1.059
<br />1.048 1.045 1.044
<br />1.037 1.035 1.034
<br />1.046 1.043 1.040
<br />1.034 1.032 1.030
<br />1.026 1.025 1.024
<br />1.003 1.002 1.0
<br />1.002 1.001 1.0
<br />1.001 1.001 1.0
<br />
<br />Unconditioned Space
<br />
<br />6A-7A AIR HANDLER MULTIPLIERS (SPMI
<br />Located in attic 1.04
<br />Located in oaraoe 1.00
<br />Located in condnioned area 0.93
<br />Located on exterior of building 1.04
<br />
<br />Conditioned Space
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMI
<br />SYSTEM TYPE See Table 6-3 for Code minimums COOLING SYSTEM MULTIPLIERS ICSMI
<br />Central Unns (SEER) Ratina 7,5-7.9 8.0-8.4 8.5-8,8 8.9-9.4 9.5-9.9 10.0-10.4 10.5-10.9 11.0.11.4 11.5-11.9 12,0-12.4
<br /> CSM .45 ,43 ,40 .38 ,36 ,34 .32 .31 .30 ,28
<br />PTAC & Room Units (EER) Ratina 12.5-12.9 13,0-13,4 13.5-13.9 14,0-14.4 14.5-14.9 15,0-15.4 15.5-15.9 16,0-16.4 16.5-16.9 17,0-17.4 17.5 & Up
<br /> CSM .27 .26 ,25 .24 .24 ,23 .22 .21 ,21 .20 .19
<br />
<br />6A-9 HOTWATER MUL TIPLlERSIHWMI
<br />SYSTEM TYPE See Table 6-12 for Code minimums HOT WATER MUL TIPUERS IHWM
<br />Electric Resistance EF .80-.81 ,82-,83 .84-.85 .86-,87 .88-.90 .91-,93 ,94-.96 .97 & Uo
<br /> HWM 2820 2752 2685 2624 2564 2479 - 2400 2326
<br />Natural Gas EF .43-.47 ,48-.49 .50-.51 ,52-.53 .54-.55 ,56-.57 ,58-.59 .60-.61 ,62-,63 .64-.65 .66 & Up
<br /> HWM 2162 1936 1859 1787 1721 1660 1602 1549 1499 1452 1408
<br />LP Gas HWM 2645 2368 2274 2186 2106 2031 1960 1895 1834 1n6 1722
<br />Oed. HP or Solar EF . ~. 1.0-1.49 . 1.5-1.99 2,tl-2.49 2.5-2.99 3,0.3.49 3.5-3.99 4.0-4.49 4,5-4,99 5,o-Uo
<br />System wnh Tank HWM 2256 1504 1128 902 752 645 564 501 451
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<br />.3.
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