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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A.l SUMMER OVERHANG FACTORS {SO 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 ,84-1.1 B 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 />NEJNW 1.00 .94 .91 .85 .79 .72 .68 .63 "'38 .50 .40 .36 <br />tia: EN/ 1.00 (95) .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 <br />~O SElSW 1.00 ~ .90 .81 .72 .62 .55 .49 .42 .33 .27 .22 <br />~l S 1.00 (.91 ) .87 .77 .67 .57 .50 .45 .39 .32 .28 .25 <br />* . Oft. 'Ii( l1J.ft ?ft 3ft 31hft. 4'hft. I\1,1,1! 6'hft. Q1,I,ft 14ft 20ft.+ <br /> 'To select hv Overhana Lenalh. no oart of olass shall be more than 8 ft. below the overhano. <br /> <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 <br />1.9 <br />1.7 <br />1.0 <br />.6 <br /> <br />.7 <br />.6 <br />.3 <br />.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 BLOCK1 <br />INT. INSULATION <br />NORMAL wr. <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 />6A.3 DOOR SUMMER POINT MULTIPLIERS SPMl <br />DOOR TYPE EXTERIOR ADJACENT <br /> <br />WOOD <br /> <br />7.2 <br /> <br />2.4 <br /> <br />6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMl <br />UNDER A1TIC SINGLE ASSEMBLY CONCRETE DECK ROOF <br />R-VALUE SIW R-VALUE SPM CEILING TYPE <br />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 />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 /> 3n R, Uo nQ <br /> <br />INSULATED <br /> <br /> <br /> <br />SLAB-ON-GRADE <br />EDGE INSULATION <br /> <br />R.VALUE <br />0-2.9 <br />3-4.9 <br />5-6.9 <br /> <br />RAISED WOOQ2 <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-7 DUCT MULTIPLIERS (oMl <br /> RETURN DUCTS RETURN DUCTS <br /> R.VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE <br /> SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 <br /> UNCONDITIONED SPACE 6.0-6.6 r1.10) 1.07 <br /> 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 /> 1;7& UO 1M 100 <br />6A-8 COOLING SYSTEM MULTIPLIERS (CSM) <br />~:rEM TYPE COOLING SYSTEM MULTIPLIERS (CSMl _~__,__ <br />Central Units (SEER) ""no 7.5-7.' ......4 ..~... .9-..4 ..5-... 1O.'HO.4 10.5-10.' 11.0 11.4 'J1.5-11.~.0 12.4 <br />CSM .45.43.40.38.36 /.34 ) .32 -~-- -:36-- -'28-- <br />PTAC & Room Units (EERl 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 ~9 16.0-16.4 Jp.5.1~~ J].O:!JA 1].5 ~ijp <br /> CSM .27 .26 .25 .24 .24 ~?3 .22 .21 .21 .20 __--'lL_ <br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 100 SEER. SINGLE PKG 97 SEER, GROUND WATER HEAT PUMP 11 0 EER PTAC-SEE TABLE 6.2 <br /> <br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) <br />INFILTRATION PRACTICE SPM <br />SEE TABLE 6A-2l <br />PRACTICE #1 <br />PRACTICE #2 <br /> <br />6A.9 HOT WATER MULTIPLIERS IHWMI <br />~YSTEM TYPE HOT WAT~~.MU!'T!e!J~~,~M .__ _~u_ ___.~_ _.'___.__ <br />Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .BBc.90 .91:,~_+_,.94-.9L -,~?~l,IQ <br />HWM 3879 3785 3695 3609 3527) 3411 _~~_32oo_ <br />Natural Gas EF .43-.47 .48..49 .50-.51 .52-.53 .54-.55 .56-.57 .58..59 .60--:61~,63 .64-.65 ,,QQ!l,IlL <br /> HWM 2974 2664 2558 2459 2368 2284 2205 2132 2063 199&_ __ 1938 . <br />LP Gas HWM 3638 3259 3129 3009 2897 2794 2697 2607 2523 2444 2370 <br /> <br />I 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 />