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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />iDr <br />ta: <br />~r <br /> <br />6A-1 SUMMER OVERHANG FACTORS ISOFl FOR SINGLE AND DOUBLE PANE GLASS. <br />OH RATIO .00-.11 .12-.17 .18-.26 ,27-.35 .36-.46 .47-.57 .58-.70 .71-.83 <br />N 1.00 .94 .91 .87 .83 .79 .75 .72 <br />NE/NW 1.00 .94 .91 .85 .79 .72 .68 .63 <br />~ 100 ~ M ~ ~ ~ M ~ <br />SEJSW 1.00 .93 .90 .81 .72 .62 .55 .49 <br />S 1.00 .91 .87 .77 .67 ,57 .50 .45 <br />11-1' oft: 1 ft l%ft iff ~it ~%ft 4%ft- i;1j,ft <br />'To select by Oyerhann Lennth no nolt of nlass shall be more than 8 ft. below the oyerhann. <br /> <br />2.74+ <br />.50 <br />.36 <br />.26 <br />.22 <br />.25 <br />?Oft... <br /> <br />.84-1.18 <br />.69 <br />.58 <br />.52 <br />.42 <br />.39 <br />l;1j,ft <br /> <br />1.19-1,72 <br />.62 <br />.50 <br />.42 <br />.33 <br />.32 <br />Q1j,ft <br /> <br />1.73-2.73 <br />.56 <br />.40 <br />.33 <br />.27 <br />.28 <br />14ft <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 />19 .7 <br />1.7 .6 <br />1.0 .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 /> <br /> <br />CONCRETE BLOCK1 <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 />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 />6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMl <br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF <br /> R-VALUE SPM R-VALUE SPM CEILING TYPE <br />WOOD 7,2 2.4 19-21.9 1.1 10-10,9 3.0 R-VALUE 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 /> ~OR.lln- OQ <br />6A-S FLOOR SUMMER POINT _UL TIPLlERS (SPMI <br />SLAB-ON-GRADE RAISED W0 RAISED WOO[)2 <br />EDGE INSULATION !f! CONCRETE Illlll! POST OR PIER STEM WALL wI UNDER ADJ~CENT <br /> i! CONSTRUCTION FLOOR INSULATION <br />R-VALUE SPM ::il R-VALUE SPM R-VALUE SPM SPM SPM <br />0-2.9 -31.9 UV 0-2.9 -1.0 Vilii 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 -2.8 2.1 <br />5-6.9 -31.7 !i!i! 5-6.9 -1.7 'i! 11-18.9 -1.0 -2.2 1,8 <br />7 R.lln -~1 I; liidi 7R. Cln _17 Vi 1Q~lln- -OQ _1 R 10- <br /> <br />SPM) <br /> <br /> 6A-7 DUCT MULTIPLIERS (DMl <br /> INFILTRATION PRACTICE SPM RETURN DUCTS RETURN DUCTS <br /> (SEE TABLE 6A-21l R-VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE <br />PRACTICE #1 13.8 SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 <br />PRACTICE #2 10.9 6.0-6.6 1.10 1.07 <br /> 71; UNCONDITIONED SPACE 6,7 & Uo 1.09 1,06 <br /> SUPPLY DUCTS IN 4.2-5,9 1.10 1.00 <br /> CONDITIONED SPACE' 6.0-6.6 1.07 1.00 <br /> fU& Un 10R 100 <br />6A-8 COOLING SYSTEM MULTIPLIERS (CSMI <br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS ICSMl <br />Ceotral 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 & Up <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 HEAT PUMP 11.0 EER. PTAC-SEE TABLE 6-2 <br /> <br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) <br /> <br />6A-9 HOT WATER MULTIPLIERS IHWMl <br />SYSTEM TYPE HOT WATER MULTIPLlERSIHWM <br />Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .88-,90 .91-.93 .94-.96 .97 & Uo <br /> HWM 3879 3785 3695 3609 3527 3411 3302 3200 <br />Natural Gas EF .43-.47 .48-.49 T .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 .60-.61 .62-.63 ,64-.65 .66 & Un <br /> HWM 2974 2664 T 2558 2459 2368 2284 2205 2132 2063 1998 1938 <br />LP Gas HWM 3638 3259 I 3129 3009 2897 2794 2697 2607 2523 2444 2370 <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 />