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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6- <br /> <br />6A-1 SUMMER OVERHANG FACTORS ISOFI FOR SINGLE AND DOUBLE PANE GLASS. <br />iDr 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 .76 _72 _69 .63 -56 .50 <br />NElNW 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 />~o <br />~l SElSW toO .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 />TH* Oft 1ft 11j,ft ?ft. :.1ft :.I1j,ft 4'!,ft. 5%ft_ 6'!2ft_ 9'!2ft. 14ft. ?Oft+ <br /> 'To select bv Overhana Lenath no Dart of olass shall be more than 8 ft. below the overhana. <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 />to .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 <br /> <br /> <br />CONCRETE BLOCKl <br />INT. INSULATION <br />NORMAL WT. <br />EXT ADJ <br />2-5 .9 <br />1-4 -7 <br />to _6 <br />_8 .4 <br />.4 .3 <br />2 2 <br />_1 _1 <br /> <br /> <br />6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMI <br />DOOR TYPE EXTERIOR ADJACENT UNDER ArnC SINGLE ASSEMBLY CONCRETE DECK ROOFING <br /> R-VALUE SPM R-V ALUE SPM CEILING TYPE <br />WOOD 7.2 2.4 19-219 1.1 10-10.9 3.0 R-V ALUE DROPPED EXPOSED <br /> 22-25.9 .9 11-12.9 2.7 10-13.9 3_0 3.3 <br />INSULATED 4.8 1.6 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 & Up 1.4 1.3 <br /> 38 & Uo .4 26-29-9 1.1 <br /> :.In II.IJn OQ <br />6A-S FLOOR SUMMER POINT MULTIPLIERS ISPMI <br />SLAB-ON.GRADE RAISED RAISED WOOD2 <br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJACENT <br /> CONSTRUCTION FLOOR INSULATION <br />R-VALUE SPM > R-V ALUE SPM R-VALUE SPM SPM SPM <br />0-2_9 -31.9 0-2.9 -1.0 0-6.9 0.9 N/A 5.3 <br />3-4_9 -3L8 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 />711. Iln _11 R 711. Iln -1.7 19& Uo -0.9 -1.8 1 n <br /> <br />SPM) <br /> <br /> <br />6A-7 DUCT MULTIPLIERS DM <br /> <br />13.8 <br />10.9 <br />7_ <br /> <br />SUPPLY DUCTS IN <br />UNCONDITIONED SPACE <br /> <br /> <br />RETURN DUCTS <br />IN UNCONDITIONED SPACE <br />1.14 <br />1.10 <br />1.09 <br />1.10 <br />1.07 <br /> <br />RETURN DUCTS <br />IN CONDITIONED SPACE <br />1.10 <br />1.07 <br />1.06 <br />toO <br />1.00 <br /> <br />SUPPLY DUCTS IN <br />CONDITIONED SPACE' <br /> <br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMI <br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS (CSMl <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 COOLED 11.0 EER. PTAC-SEE TABLE 6-3. <br /> <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 4183 4081 3984 3891 3803 3678 3560 3450 <br />Natural Gas EF .43-.47 .48-.49 I -50.51 .52- -53 _54-.55 -56-.57 .58-.59 _60-.61 _62-.63 .64-.65 _66 & Uo <br /> HWM 3098 2775 I 2664 2562 2467 2379 2297 2220 2138 2081 2018 <br />Lo Gas HWM 4195 3758 I 3608 3469 3340 3221 3110 3007 2910 2819 2733 <br />Solar EF 1.0-1.9 2.0-2.9 3.0-3.9 4.0-4.9 5.0 & UO <br />HWM RA _42 _28 21 1'i <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- <br />