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<br />S~MMER POINT MULTIPLIERS (SP\II)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A-1- SUMMER OVERHANG FACTORS lSOFI FtIt-stUGLE AND DOUBL.~ PANE GLASS.
<br />~r OH RATIO .00-.11 .1l!-.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 />NE/NW 1.00 .94 .91 ,85 .79 .72 .68 ,63 .58 .50 .40 .36
<br />I-a: E/W 1.00 .95 .92 .85 .78 .70 .64 .58 .52 .42 .33 .26
<br />frlo
<br />~l SE/SW 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 />()1-4 LENGTH' 011 lll1l 11j,ft ?ft 1ft 1'1.11 ,1'/, ft ~ -f;:joft 'Cllhft 1411 2011.+
<br /> '"'fo select bv Overhano Lenoth no nor! of nlass shall be more than 8 ft, below the ovemana,
<br />
<br />6A.2 WALL SUMMER POINT MULTIPLIERS ISPMI
<br /> FRAME CONCRETE BLOCK' FACE BRICK LOG
<br /> INT. INSULATION XT. INSUL R-VALUE WOOD FR
<br /> WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 2,9 6 INCH
<br />R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EAT 7-10,9 ,6 R-VALUE 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 ~- __lZ.-i
<br />7-10.9 2.l .8 4.1 1.3 3-4.9 1.4 .7 ,7 19-25.9 ,2 3-6.9 1,1
<br />11-12.9 ~1.~ . "-:.y." 3.0 1.0 5-6.9 1.0 .6 .3 26 & Uo .1 7 & Up ,8
<br />13-18.9 1.7 .6 2.8 0.9 7-10.9 .8 .4 .1 R-V ALUE BLOCK SINCH
<br />19-25.9 1.0 .3 2.4 0.8 , 11-18.9 .4 ,3 0 0-2.9 _...1.!L- R-VALUE EXT
<br />26& Uo ,6 .2 1.3 0.4 19-25.9 .2 .2 3-6.9 .6 , 0-2.9 1.0
<br /> 26 & UP .1 .1 7-9.9 ,4 ............ 3-6.9 .8
<br /> 10illn ? 7 & Uo .7
<br />
<br />6A-3 DOOR SUMMER POINT MULTIPLIERS
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2.4
<br />INSULATED 4.8 1.6
<br />
<br />SPM)
<br />
<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-V ALUE DROPPED EXPOSED
<br />. ....-c ...s...:- 11-12.9 2,7 10-13.9 3.0 3.3
<br />-
<br />26-29.9 .7 13-189 _ ---.1c4__ f-14-20.9 2.0 2.1
<br />30-37.9 .6 19-25.9 1,8 21 & Un 1.4 1.3
<br />38 & Uo .4 26-29,9 1.1
<br /> 1ll Rolin nQ
<br />
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS ISPMI
<br />SLAB-ON-GRADE RAISED RAISED WOOD2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJ~CENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPM R-VALUE SPM R-VALUE SPM SPM SPM
<br />0-2.9 -31.9 0-2.9 -1,0 0-6.9 0.9 -5.8 5.3
<br />3-4.9 -31.8 3-4.9 -1.7 7-10.9 -1.1 -2.8 2.1
<br />5-6.9 -31.7 5-6.9 -1.7 11-18.9 -1.0 -2.2 1.8
<br />7 Ro IJn -11 n 7 RolIn -17 1QRolln -n Q _1 II 1 n
<br />
<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1
<br />PRACTICE #2
<br />
<br />6A.7 DUCT MULTIPLIERS OM
<br />
<br />
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />RETURN DUCTS
<br />IN UNCONDITIONED SPACE
<br />1
<br />
<br />RETURN DUCTS
<br />IN CONDITIONED SPACE
<br />1.10
<br />1.07
<br />1.06
<br />1.00
<br />1.00
<br />
<br />SUPPLY DUCTS IN
<br />CONDITIONED SPACE'
<br />
<br />
<br />6A-S COOLING SYSTEM MULTIPLIERS CSM
<br />_~Y~I:E!.uYPE __..__
<br />
<br />Central Units (SEER)
<br />
<br />COOLING SYSTEM MlJL TIPP:EfIS LCSM1. ..
<br />Ratilill.......m 7.5-7jL _8.0-M n~".?~8.8 8.9-9.4 9,5-9,~_ 1 4 lQ.5.-10.9 11.0-11.4 11.5:~ 12.0-:.L2.4.
<br />CSM .45 ,43 .40 .38 ,36 34 ' .32 .31 .30 .28
<br />PTAC & Room Units (EER) Ratir1.L- 12.5-12.9 13.0-13.4 13.5-13.9 14.0-14.4 14.5-14.9 15.0-15.....4 1~.5-15,9 JQ,Q:JM 16.5-16.9 17.0-17.4 17.5 ~.I)p
<br />. <:;!l~n. . ...1l.._...1L ....2.5 . . .24 ,2:L ... 23 . ,22 ,21 . .21 .20 .19
<br />MINIMUMS CENTRAL UNITS-AIR COOLED SPLIT SYSTEM'10.0 SEER:SINGLE PKG, 9,7 SEER, GROUND WA TEA HEAT PUMP 11,0 EER, PTAC-SEETAiILE 6T---
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />_~Y~I~MIY.P~
<br />
<br />Electric Resistance
<br />
<br />EF
<br />HWM...__
<br />EF
<br />HWM
<br />HWM
<br />
<br />.43-.47
<br />2974
<br />3638
<br />
<br />--
<br />.48-.49
<br />2664
<br />3259
<br />
<br />. . HOT WATER MULTlpLlEBS (HW~.
<br />. _. ~~7~1. ..~;~~3 '~~9~~,~~o~L '-~~2~0
<br />
<br />.50-.5f+ .52-.53 .54-.55 .56-:-57 .58-,5..9 .~Q:.61
<br />2558 24~9 2368 ..2284. 2205 2132
<br />3129 3009 2897 2794 2697 2607
<br />
<br />
<br />.62-.63
<br />2063
<br />2523
<br />
<br />,9.4-.96
<br />.3301. .
<br />.64-.65
<br />1998
<br />2444
<br />
<br />
<br />Natural Gas
<br />
<br />LP Gas
<br />
<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.
<br />
<br />-3.
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