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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A.1 SUMMER OVERHANG FACTORS (SOFI 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 1.00 .94 .91 .85 .79 .72 .68 .63 .58 .50 .40 .36 <br />....a: E/W 1.00 .95 .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 <br />frlo <br />~l SE/SW 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 />OH I I=Nr.TH" Oft. 1 ft 1'/,ft ?ft 1ft. 1'/oft 4% ft. !i1j,ft. fi1j,ft 91j,ft 14ft 20ft.+ <br /> 'To select bv Overhano Lenoth no oart of olass shall be more than 8 ft. below the overhann. <br /> <br />6A.2 WALL SUMMER POINT MULTIPLIERS SPM <br />FRAME <br /> <br />R.V 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 />1.0 .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 (SPMI <br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOFING <br /> R.V ALUE 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 & Uo 1.4 1.3 <br /> 38 & Uo .4 26-29.9 1.1 <br /> 30 & Un 0.9 <br />6A.5 FLOOR SUMMER POINT MULTIPLIERS (SPMI <br />SLAB.QN.GRADE 1/ RAISED RAISED WOOD2 <br /> POST OR PIER STEM WALL wI UNDER <br />EDGE INSULATION CONCRETE CONSTRUCTION FLOOR INSULATION ADJACENT <br />R.V ALUE SPM / R-V ALUE SPM R.V 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 .2.2 1.8 <br />7 & Iln -11 fi 7 & Uo -17 19& Uo -nq -1 A 1 n <br /> <br />SPM) <br /> <br /> <br />6A.7 DUCT MULTIPLIERS OM <br /> <br />13.8 <br />10.9 <br /> <br />SUPPLY DUCTS IN <br />UNCONDITIONED SPACE <br /> <br />R-V ALUE <br />4.2-5.9 <br />6.0-6.6 <br />6.7 & U <br />4.2-5.9 <br />6.0-6.6 <br /> <br />RETURN DUCTS <br />IN UNCONDITIONED SPACE <br />1.14 <br />1.10 <br />1.09 <br />1.10 <br />1.07 <br />1 <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.B COOLING SYSTEM MULTIPLIERS ICSMl <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 & Roam 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 <br />CSM .27 .26 .25 .24 .24 .23 .22 .21 .21 .20 .19 <br />MINIMUMS: CENTAAL UNITS-AlA 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 & Up <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 & Up <br /> HWM 3098 2775 I 2664 2562 2467 2379 2297 2220 2138 2081 2018 <br />Lp 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 & Up <br />HWM A4 4? ?A .21 1!i <br /> <br />, 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 />