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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A-1 SUMMER OVERHANG FACTORS fSO ~ 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 .75 .72 ( .69) .62 .56 .50 <br />NElNW 1.00 .94 .91 .85 .79 .72 .68 .63 .58 .50 .40 .36 <br />tia: E/W 1.00 (,95) .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 <br />~o SE/SW 1.00 ']'a .90 .81 .72 .62 .55 .49 .42 .33 .27 .22 <br />~l S 1.00 (.91) .87 .77 .67 .57 .50 .45 ,39 I .32 .28 .25 <br />* . Oft )-f( 1V, ft 211. 311. 3'h It 4'h It 5'h It 6'h It 9'h It 14 It 20ft.+ <br /> 'To select bv Ovemano Lenolh no oart of olass shall be more than 8 ft. below the ovemano. <br /> <br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM <br />FRAME <br /> <br />WOOD <br />EXT ADJ <br />6.4 2.2 <br />2.3 <br />1.9 <br />1.7 <br />1.0 <br />.6 <br /> <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 />1.0 .6 <br />.8 .4 <br />.3 <br />.2 <br />.1 <br /> <br /> <br /> <br />.3 <br />.2 <br /> <br />6A-3 DOOR SUMMER POINT MULTIPLIERS SPM) <br />DOOR TYPE EXTERIOR ADJACENT <br /> <br />WOOD <br /> <br />7.2 <br /> <br />2.4 <br /> <br />6A-4 CEILING SUMMER POINT MULTIPLIERS fSPMI <br />UNDER Arnc SINGLE ASSEMBLY CONCRETE DECK ROOF <br />R-VALUE SSM R-VALUE SPM CEILING TYPE <br />19-21.9 (1.1) 10-10.9 3.0 R-VALUE DROPPED EXPOSED <br />22-25.9 Y 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 & Uo 1.4 1.3 <br />38 & Uo .4 26-29.9 1.1 <br /> ::IOR.lln 0.9 <br /> <br />INSULATED <br /> <br /> <br /> <br />RAISED WOO[)2 <br />POST OR PIER STEM WALL wi UNDER <br />CONSTRUCTION FLOOR INSULATION <br />SPM SPM <br />0.9 -5.8 <br />-1.1 -2.8 <br />-1.0 -2.2 <br /> <br />ADJ~CENT <br /> <br />SPM <br />5.3 <br />2.1 <br />1.8 <br /> <br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) <br />INFILTRATION PRACTICE SPM <br />SEE TABLE 6A-21 <br />PRACTICE #1 <br />PRACTICE #2 <br /> <br />6A-7 DUCT MULTIPLIERS OM <br /> <br /> <br />SUPPLY DUCTS IN <br />UNCONDITIONED SPACE <br /> <br /> <br />RETURN DUCTS <br />IN CONDITIONED SPACE <br />1.10 <br />1.07 <br />1.06 <br />1.00 <br />1.00 <br /> <br />SUPPLY DUCTS IN <br />CONDITIONED SPACE3 <br /> <br />6A-8 COOLING SYSTEM MULTIPLIERS (CSM) <br />SYSTEM TYPE <br />Central Units (SEER) <br /> <br />COOLING SYSTEM MULTIPLIERS CSMI <br />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 J1&1L!. -11.5-1~-'l9~ 1 icll:l g'A <br />CSM .45 .43 .40 .38 .36 /34 .32 .31 .30 .28 <br />PTAC & Room Units (EER) Rating 12.5-12.9 13.0-13.4 13.5-13.9 14.0-14.4 14.5-14.9 l!i.0-15.4~,9 ~A 16.5-16.9 J7.Q.:F.4 1?~~.0p <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. Pl;A('~E TABlE sT--- ---- _ _ <br /> <br />6A-9 HOT WATER MULTIPLIERS fHWMI <br />SYSTEM TYPE HOT WAT~RMULTIfl11~~~ _. ---------- ---------- <br />Electric Resislance EF .80-.81 .82-.83 .84-.85 .86-.87 .88.:.9.0 .91-.9L --.M:J!Lf-'~L& Ull. <br /> HWM 3879 3785 3695 3609 ( 3527 L _341L... ~ -~?_QL <br />Natural Gas EF .43-.47 .48-.49 .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 .6~_-.&?-.63 .64-.65 .66~!)!l <br /> HWM 2974 2664 2558 2459 2368 2284 2205 2132 __ ---..2QfiL_l~~ __ __J~;H!__ <br />LP Gas HWM 3638 I 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 ONL YTO THE R-VALUE NECESSARYTO PREVENT CONDENSATION. <br /> <br />-3. <br />