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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<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 .84-11B 1.19.1,72 1.73.2.73 2.74+
<br />N 1.00 .94 .91 .87 ,83 .79 .75 .72 7.69 ) ,62 ,56 ,50
<br />NElNW 1.00 .94 ,91 .85. .79 .72 ,68 .63 38 .50 .40 .36
<br />tia: EfW 1.00 .95 .92 (8s) ,78 .70 .64 ,58 ,52 .42 .33 .26
<br />~o SElSW 1.00 .93 .90 .81 .72 ,62 .55 .49 .42 ,33 .27 .22
<br />~l S (1.0 ()) ,91 .87 .77 .67 .57 .50 .45 .39 .32 .28 ,25
<br />. Olt 1ft' 1% ft ?ft ::1ft ::I1j,ft 41f,ft 'i1j,ft iW:ft !l'hft 14 ft ?Oft +
<br /> 'To select bv Overhana Lenalh no oar! of olass shall be more than 8 ft below the ovemann.
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM
<br />
<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,
<br />26& U'
<br />
<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
<br />
<br />
<br />CONCRETE BLOCK'
<br />INT. INSULATION
<br />NORMAL WT.
<br />EXT ADJ
<br />2 .9
<br />,7
<br />.6
<br />,4
<br />.3
<br />.2
<br />.1
<br />
<br />
<br /> 6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMl
<br /> UNDER AlTIC 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& Un 1.4 1.3
<br /> 38 & Un .4 26-29.9 1.1
<br /> ::In,q,-",;- n-Q
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS ISPMI
<br />SLAB-DN-GRADE ". RAISED RAISED WOOlV
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJACENT
<br />'y. CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SJ:lM... ,y R-VALUE SPM R-V ALUE SPM SPM SPM
<br />0-2.9 ( -31.9 ) Ii:, 0-2.9 -1.0 0-6,9 0.9 -5.8 5.3
<br />3-4.9 -31.8 Ii: 3-4,9 -1.7 7-10.9 -1.1 -2.8 2,1
<br /> .
<br />5-6.9 -31.7 5-6.9 -1.7 11-18.9 -1.0 -2,~ 1.8
<br />7 R. Iln -::11 A i:'...,... 7 R. Iln -17 1QR.lln -nQ -1 R 1 n
<br />
<br />6A-3 DOOR SUMMER POINT MULTIPLIERS SPM)
<br />DOOR TYPE EXTERIOR ADJACENT
<br />
<br />WOOD
<br />
<br />7.2
<br />
<br />2.4
<br />
<br />INSULATED
<br />
<br />6A~ INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1 13.8
<br />PRACTICE #2 (1
<br />
<br />6A-7 DUCT MULTIPLIERS IDMl
<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 c1.107 1.07
<br /> 6,7 & Un T.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 />fi:7R. Iln 1,06 1nn
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS CSM
<br />~Y~TEM TYPE _____ COOLl~G ~YST~MJ~.l!!JIP!-~~ CSMl_, _____,__ ___
<br />Central Units (SEER) Jiating 7.5-7Jl, 8.0-8.4 8.5-8,8 8'9-9oLt-~'~1l'~9tJQ,Q::l0'4 1.Q'5-1O~~9_j jJQ-!L!tJJ~:1L~
<br />CSM .45.43.40 ,38 .36. .34 / ,32 ,31 .30
<br />P, TAC & Room Units (EER) - Ratinglg,s-lgJ!. J~.O-IM_1M-,13.9 J4.Q-J,H_ '14,5~i1~ J~,Q-=~I~,-',5,',,-,-IM,- lQ,Q., -I,Q".1,. ',1~-1,-6,~, 17.Q,:1i4
<br />CSM .27 .26 .25 ,24 .24 .23 ,22 ,21 .21 .20
<br />-- MINIMUMS: CENTRAL UNITS-AIR COOLED' SPLIT SYSTEM 10.0 SEER, SINGLE PKG- 9.7 SEER,GROUND WATER HEAT PUMP 1 i:ii-E{if PTAC-SEETABLE 6,2 .,
<br />
<br />19.Q: 1 g.4
<br />.. ,fa
<br />17.5 &. Up
<br />.19
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />.jy~n;M TyPL____ ------___ .____",_ __ __ _______ ______HQT WATeR ...UbT1PbIER!? (HW... ",_ ,___
<br />Electric Resistance ..!.E__________,_____.__ .!!Q-J1L _,s1-,!!:3.__ -,!!4-,!!~__Jl15-.!!L ,B8-,[IO"
<br />-- -----.--___.___JiWM____ ___u______ 'u_ -----__~!!7~_ _~7~!i__n~69~____:3~OJL__ ,. 352L~
<br />Natural Gas EF -- ....A~-,4L .48-.4~ ____50-.51 .52-,5:3. --,~L~~_ _,~15:~Z_ .li.!!.-,~!l._ __,llQ:,15L
<br />-----.-~-- _HWM___ __~9H_. _2l3M_ 255L 2~~_,g~15!!,__f~!!4___~~Q~___ __21:3.2_
<br />LP Gas HWM 3638 3259 3129 3009 2897 2794 2697 2607
<br />
<br />,91:,~3 ,,~4-.96
<br />:HJ 1_ 3)02
<br />,()?-,15,L_&4'JlS,
<br />,_?O():3 .,_1~96
<br />2523 2444
<br />
<br />I ,97 & Up
<br />! 3200
<br />66 & Up
<br />1~38 ,
<br />2370
<br />
<br />, FOR MULTiPliERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2.1 OF APPENDIX C. 2 MUL T1PUERS FOR OTHER TYPES OF RAISED WOODASSEMBUES 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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