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. . SUMMER POINT MULTIPLIERS (SPM) CLIMATE ZONES 4 5 6 6A-1 SUMMER OVERHANG FACTORS (SOF) FOR SINGLE AND DOUBLE PANE GLASS. ~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+ N 1.00 .94 .91 .87 .83 .79 .75 .72 .69 .62 .56 .50 NElNW 1.00 .94 .91 .85 .79 .72 .68 .63 .58 .50 .40 .36 t-a: EIW 1.00 .95 .92 .85 .78 .70 .64 .58 .52 .42 .33 .26 frlo ~l SElSW 1.00 .93 .90 .81 .72 ,62 .55 .49 .42 .33 .27 .22 S 1.00 .91 .87 .77 .67 .57 .50 .45 .39 .32 .28 .25 OH LFNr,TW Oft 1 ft. l%ft. 2ft. 3ft, :w,ft 41j,ft 51j,ft 6V,ft. 9V, ft 14ft 20ft.+ .To select bv Overhana Lenath. no oart of alass shall be mare than 8 ft. below the averhano. 6A-2 WALL SUMMER POINT MULTIPLIERS SPM FRAME WOOD EXT ADJ 6.4 2.2 2.3 .8 1.9 .7 1.7 .6 1.0 .3 .6 .2 R.VALUE 0-6.9 7-10.9 11-12.9 13-18.9 19-25.9 26& U STEEL EXT ADJ 8.9 2.9 4.1 1.3 3.0 1.0 2.8 0.9 2.4 0.8 1.3 0.4 CONCRETE BLOCK' INT. INSULATION NORMAL WT. EXT ADJ 2.5 .9 1.4 .7 1.0 .6 .8 .4 .4 .3 .2 .2 .1 .1 6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMI DOOR TYPE EXTERIOR ADJACENT UNDER ArnC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE SPM R.VALUE SPM CEILING TYPE WOOD 7.2 2.4 19-21.9 1.1 10-10.9 3.0 R-VALUE DROPPED EXPOSED 22-25.9 .9 11-12.9 2.7 10-13.9 3.0 3.3 INSULATED 4.8 1.6 26-29.9 .7 13-18.9 2.4 14-20.9 2.0 2.1 30-37.9 .6 19-25.9 1.8 21 & Up 1.4 1.3 38 & Up .4 26-29.9 1.1 ::lOR.lln 0.9 6A-5 FLOOR SUMMER POINT MULTIPLIERS (SPM) SLAB.ON.GRADE RAISED liil! RAISED WOO[)2 EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJACENT ,Hi CONSTRUCTION FLOOR INSULATION R-VALUE SPM R-VALUE SPM R.VALUE SPM SPM SPM 0-2.9 -31.9 0-2.9 -1.0 ::i 0-6.9 0.9 -5,8 5.3 3-4.9 -31.8 3-4.9 -1.7 HH 7-10.9 -1.1 -2,.8 2.1 5-6.9 -31.7 5-6.9 -1.7 11-18.9 -1.0 -2.2 1.8 7 JI. lJn -::11 E; 7 & fIn -17 HH HI Jl.lJn -09 -lA 10 SPM) 6A-7 DUCT MULTIPLIERS (DM) INFILTRATION PRACTICE SPM RETURN DUCTS RETURN DUCTS (SEE TABLE 6A-211 R-VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE PRACTICE #1 13.8 SUPPLY DUCTS IN 4.2-5.9 1.14 1.10 PRACTICE #2 10.9 UNCONDITIONED SPACE 6.0-6.6 1.10 1.07 7.6 6.7 & UP 1.09 1.06 SUPPLY DUCTS IN 4.2-5.9 1.10 1.00 CONDITIONED SPACE' 6.0-6.6 1.07 1.00 67& Un 1.06 100 6A-8 COOLING SYSTEM MULTIPLIERS (CSM) SYSTEM TYPE COOLING SYSTEM MULTIPLIERS (CSM) Central Units (SEER) RatinQ 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 CSM .45 .43 .40 .38 .36 .34 .32 .31 .30 .28 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 CSM .27 .26 .25 .24 ,24 .23 .22 .21 .21 .20 .19 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 6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM) 6A-9 HOT WATER MULTIPLIERS (HWM) SYSTEM TYPE HOT WATER MULTIPLIERS (HWM Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .88-.90 .91-.93 .94-.96 .97 & Up HWM 3879 3785 3695 3609 3527 3411 3302 3200 Natural Gas EF .43-.47 .48- .49 .50-.51 .52-.53 .54-.55 .56-.57 .58-.59 .60-,61 .62-.63 .64-.65 .66 & Up HWM 2974 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938 LP Gas HWM 3638 3259 3129 3009 2897 2794 2697 2607 2523 2444 2370 , 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 SECTION 3.1 OF APPENDIX C. 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R-VALUE NECESSARY TO PREVENT CONDENSATION. -3-