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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A-1 SUMMER OYER HANG FACTORS (SOF) 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 1.73-2.73 2.74+ <br />N 1.00 _94 .91 .87 .83 .79 .76 .72 .69 .63 .56 .50 <br />NE/NW LOO _94 _91 _85 .79 .72 .68 _63 .58 -50 -40 .36 <br />1-11:: E/W 1.00 .95 .92 .85 .78 .70 .64 .58 .52 -42 .33 .26 <br />~o <br />~l SE/SW 1-00 .93 .90 .81 .72 .62 -55 .49 -42 .33 .27 .22 <br />S LOO _91 .87 .77 .67 -57 -50 .45 _39 .32 .28 .25 <br />OH I FNmH' Oft 1 ft. 1 Y, ft. ?ft. ~ft. ~l/,ft. 4V2ft_ <;1j,ft f;1j,ft 91j,ft. 14ft. 20ft.+ <br /> 'To select bv Overhana Lenath no nart of alass shall be more than 8 ft. below the overhana. <br /> <br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM <br />FRAME <br /> <br />R-Y ALUE <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 />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 />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 />2.5 _9 <br />1-4 .7 <br />LO .6 <br />.8 -4 <br />.4 .3 <br />.2 .2 <br />.1 .1 <br /> <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 AlTIC SINGLE ASSEMBLY CONCRETE DECK ROOFING <br />R-YALUE SPM R-Y ALUE SPM CEILING TYPE <br />19-219 1.1 10-10.9 3_0 R-Y ALUE 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 & UP 1-4 1-3 <br />38 & Up -4 26-29-9 1.1 <br /> 30 & Uo 0_9 <br /> <br />6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPMI <br />SLAB.QN-GRADE RAISED ..... RAISED WOOD2 <br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJACENT <br /> CONSTRUCTION FLOOR INSULATION <br />R-Y ALUE SPM R-Y ALUE SPM R-Y ALUE 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 -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 -22 1.8 <br />7 & Uo -31.6 7 & Uo -17 19R.IJn -09 -18 10 <br /> <br /> <br />6A-7 DUCT MULTIPLIERS DM <br /> <br />13.8 <br />10.9 <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 />1.00 <br />1-00 <br />1- <br /> <br />SUPPLY DUCTS IN <br />CONDITIONED SPACE' <br /> <br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMI <br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS ICSMI <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. PT AC-SEE TABLE 6-3. <br /> <br />6A-9 HOT WATER MULTIPLIERS IHWM) <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 & Up <br />HWM 4183 4081 3984 3891 3803 3678 3560 3450 <br />Natural Gas EF -43-.47 .48--49 .50-51 .52-.53 .54- -55 _56-.57 .58-.59 _60-_61 .62-.63 .64-.65 _66 & Up <br /> HWM 3098 2775 2664 2562 2467 2379 2297 2220 2138 2081 2018 <br />Lo Gas HWM 4195 3758 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 & UP <br />HWM .84 .42 .28 21 1<; <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 />