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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />. '. It.
<br />CLIMATE ZONES 4 5 6
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<br />6A.1 SUMMER OVERHANG FACTORS ISO =) FOR SINGLE AND DOUBLE PANE GLASS.
<br />~r OH RATIO ,00-.11 ,12-,17 ,18-,26 .27-.35 .36-.46 .47-.57 .58-.70 .71-.83 .84-1.18 1.19-1.72 1.73-2.73 2.74+
<br />N 1,00 .94 ,91 .87 .83 .79 .75 .72 .69 .62 ,56 .50
<br />NEfNW 1.00 ,94 .91 ,85 .79 ,72 ,68 ,63 .58 ,50 .40 .36
<br />tia:: EIW 1.00 .95 .92 ,85 .78 ,70 .64 .58 .52 .42 .33 .26
<br />wO
<br />~l SEfSW 1.00 .93 ,90 .81 .72 .62 .55 .49 .42 .33 ,27 .22
<br />S 1.00 .91 .87 .77 ,67 .57 .50 .45 ,39 .32 .28 .25
<br />* Oft 1 ft. 1% It 2ft. ~ft ~l/,ft 4%ft 5%ft, 6%ft, 9% ft, 14ft. ?Oft
<br /> 'To select bv Overhano Lenoth no Dart of olass shall be more than 8 ft. below the overhano.
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<br />6A.2 WALL SUMMER POINT MULTIPLIERS SPM
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<br />FRAME
<br />
<br />WOOD
<br />EXT ADJ
<br />6.4 2.2
<br />2.3 .8
<br />1,9 .7
<br />1.7 ,6
<br />1.0 ,3
<br />.6 ,2
<br />
<br />R-VALUE
<br />0-6.9
<br />7-10,9
<br />11-12,9
<br />13-18,9
<br />19-25,9
<br />26& U
<br />
<br />STEEL
<br />EXT ADJ
<br />8.9 2.9
<br />4,1 1.3
<br />3.0 1.0
<br />2.8 0,9
<br />2.4 0.8
<br />1.3 0.4
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<br />
<br />CONCRETE BLOCKt
<br />INT. INSULATION
<br />NORMAL WT.
<br />EXT ADJ
<br />2,5 .9
<br />1.4 .7
<br />1.0 ,6
<br />,8 .4
<br />.4 ,3
<br />,2 .2
<br />,1 ,1
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<br />
<br />6A-3 DOOR SUMMER POINT MUL TlPUERS
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,2 2.4
<br />INSULATED 4.8 1.6
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<br />SPM)
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<br />6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMI
<br />UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br />R-VALUE SPM R-VALUE SPM CEILING TYPE
<br />19-21.9 1,1 10-10.9 3.0 R-VALUE DROPPED EXPOSED
<br />22-25.9 .9 11-12,9 2,7 10-13.9 3.0 3.3
<br />26-29.9 .7 13-18.9 2.4 14-20.9 2.0 2.1
<br />30-37,9 ,6 19-25.9 1.8 21 & Uo 1.4 1,3
<br />38 & Uo .4 26-29.9 1.1
<br /> 30 & Uo 0.9
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<br />
<br />RAISED W0002
<br />POST OR PIER STEM WALL wi UNDER
<br />CONSTRUCTION FLOOR INSULATION
<br />SPM SPM
<br />0.9 -5.8
<br />-1.1 -2.8
<br />-1.0 -2.2
<br />
<br />ADJ~CENT
<br />
<br />SPM
<br />5,3
<br />2.1
<br />1.8
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<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A.21
<br />PRACTICE #1 13,8
<br />PRACTICE #2 10.9
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<br /> 6A.7 DUCT MULTIPLIERS IDMI
<br /> RETURN DUCTS RETURN DUCTS
<br /> R.VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE
<br /> SUPPLY DUCTS IN 4,2-5.9 1,14 1.10
<br /> UNCONDITIONED SPACE 6,0-6,6 1,10 1.07
<br /> 6,7 & Uo 1.09 1.06
<br /> SUPPLY DUCTS IN 4,2-5,9 1,10 1.00
<br /> CONDITIONED SPACE' 6,0-6,6 1,07 1.00
<br /> 6,7 & Uo 1,06 100
<br />6A.8 COOLING SYSTEM MULTIPLIERS ICSMI
<br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS (CSMI
<br />Central Units (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 & Uo
<br />CSM .27 .26 .25 ,24 .24 .23 .22 ,21 .21 ,20 .19
<br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 10.0 SEER. SINGLE PKG. 9.7 SEER. GROUND WATER HEAT PUMP 11.0 EER. PTAG-SEE TABLE 6-2
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<br />6A-9 HOT WATER MULTIPLIERS IHWMI
<br />SYSTEM TYPE HOT WATER MULTIPLIERS IHWM
<br />Electric Resistance EF ,80-.81 .82-.83 ,84-.85 .86-.87 ,88-.90 .91-.93 .94-,96 .97 & Uo
<br /> HWM 3879 3785 3695 3609 3527 3411 3302 3200
<br />Natural Gas EF .43-.47 .48- .49 .50-,51 .52-.53 .54-.55 ,56-.57 .58-.59 ,60-.6'1 ,62-,63 .64-.65 ,66 & Uo
<br /> HWM 2974 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938
<br />LP Gas HWM 3638 3259 3129 3009 2897 2794 2697 2607 2523 2444 2370
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<br />1 FOR MULTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2.1 OF APPENDIX C. 2 MULTIPLIERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE
<br />SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R-VALUE NECESSARY TO PREVENT CONDENSATION.
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