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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />6A-1 SUMMER OYERHANG FACTORS (SOF) FOR SINGLE AND DOUBLE PANE GLASS.
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />~r
<br />(.)0:: S 0, 0, ,77
<br />~o
<br />~l Southwest 0,997 0,956 0,874 0.793 0,645
<br />West 0,994 0,964 0,902 0,834 0,691
<br />Northwest 0,995 0,966 0,911 0,857 0.751
<br />OH Len th 1.0' 1.5' 2,0' 3,0' 4,5'
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<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS (SPM)
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<br /> FRAME CONCRETE BLOCK (NORMALYrn FACE BRICK LOG
<br /> INTERIOR EXT. R-YALUE WOOD FR R-YALUE BLOCK
<br /> WOOD STEEL INSULATION INSUL 0-6,9 2,9 0-2,9 1.0 6 INCH 8 INCH
<br />R-YALUE EXT ADJ EXT ADJ R-YALUE EXT ADJ EXT 7-10,9 ,6 3-6,9 ,6 R-YALUE 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,Q OF APPENDIX C FOR MULTIPLIERS I
<br /> 26&Up ,1 ,1 OF ENVELOPE COMPONENTS NOT ON lHlS FORM,
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<br />6A-3 DOOR SUMMER POINT MUL TIPUERS (SPM)6A-4 CEILING SUMMER POINT MULTIPLIERS (SPM)
<br />
<br /> III\;
<br />R-YALUE SPM R-YALUE SPM CEILING TYPE
<br />19-21.9 1.1 10-10,9 3,0 R-YALUE 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 />38 & Up ,4 26-29,9 1.1
<br />Ht:l::i t,;reclIl 0.10 30 & Up 0,9
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<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,2 2.4
<br />INSULATED 4,8 1.6
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<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS SPM
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<br />SLAB-ON-GRADE RAISED
<br />EDGE INSULATION CONCRETE
<br />
<br />R-YALUE SPM R-YALUE SPM
<br />0-2,9 -31.9 0-2,9 -1.0
<br />3-4,9 -31,8 3-4,9 -1.7
<br />5-6,9 -31.7 5-6,9 -1.7
<br />7&U -31.6 7&Up -1.7
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<br />
<br />POST OR PIER
<br />CONSTRUCTION
<br />SPM
<br />4,50
<br />2,28
<br />1.83
<br />1,36
<br />
<br />RAISED WOOD
<br />STEM WALLw/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
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<br />
<br />6A-7 DUCT MULTIPLIERS DM SeeTlble 6-10 lor Code mlnlmuml,
<br />DUCT
<br />R.Yalue
<br />42
<br />6,0
<br />8,0
<br />4,2
<br />Attic with Radiant Barrier (RBS) 6,0
<br />8,0
<br />42
<br />6,0
<br />8,0
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<br />SUPPLY DUCTS IN:
<br />
<br />RETURN DUCTS In:
<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
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<br />6A-7A AIR HANDLER MULTIPLIERS (SPMl
<br />Located in attic 1.04
<br />Located in aaraae 1.00
<br />Located in conditioned area 0,93
<br />Located on exterior of building 1,04
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<br />Conditioned Space
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<br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMI
<br />SYSTEM TYPE See Table 6,3 for Code minimums COOLING SYSTEM MUL TIPLlERSTcSMI
<br />Central Units (SEER) Rating 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 & Uo
<br /> CSM ,27 ,26 ,25 ,24 .24 ,23 ,22 ,21 ,21 ,20 .19
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<br />6A-9 HOTW A TER MUL T1PUERS IHWMI
<br />SYSTEM TYPE See Table 6-12 for Code minimums HOT WATER MULTIPLIERS (HWM
<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 ,SO-.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 1776 1722
<br />Oed, HP or Solar EF 1.0-1.49 1.5-1.99 2,0-2.49 2,5-2,99 3,0-3.49 3,5-3,99 4,0-4,49 4,5-4,99 5,0-Up
<br />System with Tank HWM 2256 1504 1128 902 752 645 564 501 451
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<br />-3-
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