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<br />SlJMMI:;R POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A-l SUMMER OVERHANG FACTORS ISO F\ 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 L73-2.73 2.74+
<br />N LOO .94 .91 . .87 .83 .79 .75 .72 .69 .62 ,56 . .50
<br />NElNW 1.00 .94 ,91 .85 .79 .72 ,68 .63 .58 .50 .40 .36
<br />I-a: EfIN 1.00 .95 .92 . .85 .78 .70 ,64 .58 .52 .42 .33 ..26
<br />~O
<br />~I SElSW 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 /> ~ mol I J:Nr,TJ.-l' _/ 011 1 II 1'/' It'/ ?II. 111 1'/'1I &'/.11 "'hll ,R'/'II- !:l'/' It lAII ?nil..
<br /> 'T 0 select bv Overhann Lennlh, no Dart of nlass shall be more lIlan 811. below Ihe ovemann,
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS ISPM\
<br /> .? CONCRETE BLOCK' FACE BRICK
<br /> FRAM; LOG
<br /> INT. INSULATION EXT. INSUL R-V ALUE WOOD FR
<br /> WOOD STEEL NORMAL WT. NOR. WT. 0-6,9 2.9 ,. 61NCH
<br />R-VALUE EXT ADJ EXT ADJ R.VALUE EXT ADJ EXT 7-10.9 ,6 :' : R-V ALUE 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 0-2.9 1.7
<br />7-10.9 2.3 .8 4,1 L3 3-4.9 1.4 .7 .7 19-25,9 ,2 , 3-6_9 1.1
<br />,11-12,9 . L9 .7 3.0 1.0 5-6.9 1.0 .6 .3 26& Uo .1 7& Un .8
<br />13-18.9 /1.7 . ,6 2.8 0,9 7-10.9 .8 .4 ,1 R-VALUE BLOCK 8 INCH
<br />..19-25,9 1.0 ,3 2.4 0.8 11-18.9 .4 ,3 0 0-2,9 1.0 . , R-VALUE EXT
<br />26& Un .6 .2 1.3 0,4 19-25.9 .2 ,2 3-6,9 .6 0-2.9 1.0
<br />-' 26 & Un .1 ,1 7-9.9 .4 3-6.9 .8
<br /> ln~il~ ? 7 ~ Iln f
<br />
<br /> 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPM\
<br /> UNDER A TrlC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-V ALUE SPM R-VALUE I SPM r CEILING TYPE
<br /> . 19-21.9 1.1 10-10,9 I 3.0 R-VALUE I DROPPED EXPOSED
<br /> 22-25,9 ,9 11-12,9 2,7 10-13,9 I 3.0 3.3
<br /> 26-29,9 ~7 / 13-18,9 2.4 14-20.9 I 2,0 2.1
<br /> 730-37,9 ,6 .,. 19-25,9 1,8 21 & Uo T 1.4 1.3
<br /> 38 & Un .4 26-29,9 1.1 I
<br /> ~O !1.IJn OQ
<br />6A.5 FLOOR SUMMER POINT MULTIPLIERS (SPM)
<br />SLAB..{lN-GRADE I RAISED RAISED WOOD2
<br />, EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER AOJ~CENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPM R-V ALUE SPM R-VALUE SPM SPM 1 SPM
<br />0-2,9 I .3L9 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 -2,6 2,1
<br />. 5-6,9 .31.7 t7 5-6.9 -1.7 11-18,9 -1,0 -2.2 1.8
<br />7!1. Iln ~'1 E; 1 7!1. Iln -17 . I lQ Jl. IIn I -0.9 -I 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 />4,8
<br />
<br />1.6
<br />
<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE I SPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1
<br />PRACTICE #2
<br />PR T
<br />
<br />
<br />6A.7 DUCT MULTIPLIERS (OM)
<br /> I RETURN DUCTS i RETURN DUCTS
<br /> R-VALUE IN UNCONDITIONED SPACE! IN CONDITIONED SPACE
<br /> 4,2-5,9 1.14 ! 1,10
<br />SUPPLY DUCTS IN 6,0-6.6 1.10 i 1.07
<br />UNCONDITIONED SPACE -
<br /> 6.7 & Up 1.09 i 1.06
<br />SUPPL Y DUCTS IN I 4.2.5,9 1.10 I 1.00
<br />CONDITIONf:D SPACE' 6.0-6.6 I 1.07 I 1.00
<br />E;'7~tJn lOR I 1 nn
<br />
<br />6A-a COOLING SYSTEM MULTIPLIERS (CSMl
<br />
<br />SYSTEM TYPE I COOLING SYSTEM MULTIPLIERS ICSMl
<br />Central Units (SEER) RaunQ I I 7.5-7.9 I 80-8.4 T 8.5-8.8 8,9-9.4 9,5-9.9 to,O-10.4 110,5-10,9 111.0-11.4 111.5-11,9112,0-12.4
<br />CSM I 45 I .43 I ,38 I , , .30 !
<br /> .40 ,36 ,34 , ,32 31 ,28
<br />PTAC &. Room Units lEER) RatlnQ 12,5-12,9 130.13 ~ I 135-13.9 i 14.0-144 14.5-14.9 15.0-15.4 15.5.159' 16.0-16.4 i 16,5-16,9 , 17.0-17.4 : 175& Uo
<br /> CSM I .27 2E I .25 ,24 ,24 .23 ,22 1 ,21 I 21 ! ,20 I .19
<br />MINIMUMS CENTRAL UNITS-,AIR COOLE~ S?V S YSTE'A \00 SEER SII'JGLE ~t(G 97 SEER. GROUND WATER HEAT PUMP "\ 0 EER FTAC-SEE -;- ABLE 6-2
<br />
<br />6A-9 HOT WATER MULTIPLIERS IHWM)
<br />
<br />SYSTEM TYPE HOT WATER MULTIPLIERS IHWMl ./
<br />Electnc ReSistance ~ EF 80-.81 82-.83 .84,85 ,86-.87 .88.90:" .91- 93 .94.,96 .97 & Uo
<br /> HWM 3879 3785 3695 3609 35277 3-111 3302 3200
<br />Nalural Gas EF .43.47 48-49 50-51 52..53 .54- .55 .56-.57 .58',59 .60-,61 .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
<br />
<br />: FOR MULTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 21 OF APPENDIX C 2 MULTIPLIERS FOR OTHER TYPES OF i'lAISeD WOODASSEMBUES SEE
<br />SECTION 3.\ OF APPENDIX C. J DuCTS IN CONDITIONED SPACE NEE> TO BE INSULATED ONLYTO THE R.VALUE NECESSARY TO PREVENT CONDENSATION
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