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<br />SUMMER POINT MULTIPLIERS (SPM) <br /> <br />CLIMATE ZONES 4 5 6 <br /> <br />6A-1 SUMMER OVERHANG FACTORS (SO F) 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- US 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 />NE/NW 1.00 .94 .91 .85. .79 .72 .68 .63 38 .50 .40 .36 <br />tia: EIW 1.00 .95 .92 raY .78 .70 .64 .58 .52 .42 .33 .26 <br />~O SE/SW 1.00 .93 .90 .81 .72 .62 .55 .49 .42 .33 .27 .22 <br />~t S (1.60) .91 .87 .n .67 .57 .50 .45 .39 .32 .28 .25 <br />. Oft. 1ft llh ft 2ft 3ft 3Y.ft 4~1t. "lh ft 6Y2ft 9~1t 14 It 20ft. <br /> 'To select by Overhana Lenath no Dart of olass shall be more than 8 ft. below !he overhano. <br /> <br /> <br />R.VALUE <br />0-6.9 <br />7-10.9 <br />11-12.9 <br />13-18.9 <br />19-25. <br />2e&U <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 />CONCRETE BLOCK' <br />INT. INSULATION <br />NORMAL wr. <br />EXT ADJ <br />.9 <br />.7 <br />.6 <br />.4 <br />.3 <br />.2 <br />.1 <br /> <br /> <br />6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMI <br />UNDER Arnc SINGLE ASSEMBLY CONCRETE DECK ROOF <br />R.VALUE SPM R.VALUE SPM CEILING TYPE <br />19-21.9 rl.l ) 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 & Up .4 26-29.9 1.1 <br /> ~R.,,-;;- 0'9 <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 />INSULATED <br /> <br /> <br /> <br />6A~ 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 DM <br /> <br /> <br />SUPPLY DUCTS IN <br />UNCONDmONED SPACE <br /> <br />SUPPLY DUCTS IN <br />CONDmONED SPACE' <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 />..! .' <br /> <br /> <br />RETURN DUCTS <br />IN CONDmONED SPACE <br />1.10 <br />1.07 <br />1.06 <br />1.00 <br />1.00 <br /> <br />6A-8 COOLING SYSTEM MULTIPLIERS (CSM) <br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS iC SMI <br />Central Units (SEER) Ratino 7.5-7.9 8.0-8.4 8.5-8.8 8.9-9.4 9.5-9.9 10.0-10.4 ~0.5-10.9 11.0-1li c11.5~lli 12.0-1g~ <br />CSM .45 .43 .40 .38 .36 .34/ .32 .31 .30 ___..1~ __ <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 ~~15.4 15:5:15.9 16.0-16.4 . 16.5-jli J?Jl:JH!Z.~!l)p <br /> CSM .27 .26 .25 .24 .24 .23 .22 .21 __ ~L L---.1Q_____,l~ -- <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-9 HOT WATER MULTIPLIERS iHWMI <br />SYSTEM TYPE HOIYt~ T!;R MMb!IP!-I!;~ mWM -- ..------ -------- .--.r---:--- ..- <br />Electric Resislance EF .80-.81 .82-.83 .84-.85 .86-.87 .B8-.9L ..J1!-,iIL.t-'94-.9L --,~z.~l)l! <br />HWM 3879 3785 3695 3609 3527 ' 3411 ~~l_ -..}gQQ -. <br />Natural Gas EF .43-.47 .48-.49 .50-.51 .52-.53 .54-.55 .56-.57 .58- .59 .60-.6L -"~ ___&4-,~_ -,~~l)ll <br /> HWM 2974 2664 2558 2459 2368 2284 ~- -2J~_ 1--2~__ _J~~~ __ -__me. <br />lP Gas HWM 3638 3259 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 />