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SUMMER POINT MULTIPLIERS (SPM) CLIMATE ZONES 4 5 6 6A-1 SUMMER OYERHANG FACTORS (SO ~ FOR SINGLE AND DOUBLE PANE GLASS. ~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+ N 1.00 X.94 .91 .87 .83 .79 .75 .72 .69 .62 .56 .50 NE/NW 1.00 .94 .91 .85 .79 .72 .68 .63 .58 .50 .40 .36 I-a:: E/W 1.00 .95 .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 frlo ~l SE/SW 1.00 .93 .90 .81 .72 .62 .55 .49 .42 .33 .27 .22 S 1.00 l.91 .87 .n .67 .57 .50 .45 .39 .32 .28 .25 * Oft '1 ft 1V.ft. .?ft !1ft !l1j,ft <11j,ft 'i1j,ft 1;1/,ft !I'hft l<1ft ?Oft-l- 'To select by Overl1ann Lenn1h no nort of nlass shall be more than 8 ft. below the oyerl1ana. 6A-2 WALL SUMMER POINT MULTIPLIERS SPM FRAME WOOD EXT ADJ 6.4 2.2 2.3 .8 1.9 .7 1.7 .6 1.0 .3 .6 .2 R.YALUE 0-6.9 7-10.9 11-12.9 13-18.9 19-25.9 26& U STEEL EXT ADJ 8.9 2.9 4.1 1.3 3.0 1.0 2.8 0.9 2.4 0.8 1.3 0.4 CONCRETE BLOCK! INT. INSULATION NORMAL WT. EXT ADJ 2.5 .9 1.4 .7 1.0 .6 .8 .4 .4 .3 .2 .2 .1 .1 6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMl DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF R-YALUE SPM R"YALUE SPM CEILING TYPE WOOD 7.2 2.4 19-21.9 1.1 10-10.9 3.0 R-YALUE DROPPED EXPOSED 22-25.9 X .9 11-12.9 2.7 10-13.9 3.0 3.3 INSULATED 'I... 4.8 1.6 26-29.9 .7 13-18.9 2.4 14.20.9 2.0 2.1 30-37.9 .6 19-25.9 1.8 21 & Un 1.4 1.3 38 & Un .4 26-29.9 1.1 !lOR.lln O!l 6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPMl iii mi. RAISED WOOI)2 SLAB-ON-GRADE IIIIII RAISED POST OR PIER STEM WALL wI UNDER EDGE INSULATION CONCRETE :i: CONSTRUCTION FLOOR INSULATION ADJ~CENT R-YALUE SPM R"YALUE SPM ITi R"YALUE SPM SPM SPM 0-2.9 X.-31.9 ;HH 0-2.9 -1.0 0-6.9 0.9 -5.8 5.3 3-4.9 -31.8 ::: 3-4.9 -1.7 i: 7-10.9 -1.1 -2.8 2.1 5-6.9 -31.7 ,'ii 5-6.9 -1.7 ii 11-18.9 -1.0 -2.2 1.8 7 R. lJn -!Ill; iii 7 ~ Iln -17 ii 1a R. IIn _na _1 A 1 n SPM) 6A~ INFILTRATION SUMMER POINT MULTIPLIERS (SPM) 6A-7 DUCT MULTIPLIERS (DMl INFILTRATION PRACTICE SPM RETURN DUCTS RETURN DUCTS (SEE TABLE 6A-21l R-YALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE PRACTICE #1 13.8 SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 PRACTICE #2 A.l0.9 UNCONDITIONED SPACE 6.0-6.6 Y 1.10 1.07 7P. 6.7 & Un 1.09 1.06 SUPPLY DUCTS IN 4.2-5.9 1.10 1.00 CONDITIONED SPACE3 6.0-6.6 1.07 1.00 /;7 R. Iln 1M 1M 6A.8 COOLING SYSTEM MULTIPLIERS (CSMl SYSTEM TYPE COOLING SYSTEM MULTIPLIERS ICSMl Central Units (SEER) Ratina 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9.5-9.9 lQO-l0.4 10.5-10.9 11.0-11.4 11.5-11.9 12.0-12.4 CSM .45 .43 .40 .38 .36 X..34 .32 .31 .30 .28 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 & Up CSM .27 .26 .25 .24 .24 .23 .22 .21 .21 .20 .19 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 6A.9 HOT WATER MULTIPLIERS (HWMl SYSTEM TYPE HOT WATER MULTIPLIERS (HWM Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .88-.90 I .91-.93 .94-.96 .97 & Un HWM 3879 3785 3695 3609 Y 3527 3411 3302 3200 Natural Gas EF .43-.47 I .48-.49 .50-.51 .52-.53 .54-.55 .56- .57 .58-.59 .60-.61 .62-.63 .64-.65 .66 & Un HWM 2974 I 2664 2558 2459 2368 2284 2205 2132 I 2063 1998 1938 LP Gas HWM 3638 I 3259 3129 3009 2897 2794 2697 2607 I 2523 2444 2370 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 SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R-VALUE NECESSARY TO PREVENT CONDENSATION. -3-