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<br />: ~:SU~MER paiNT MU.LTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />IA-1 SUMMER OVERHANG FACTORS (SOF) FOR SINGLE AND DOUBLE PANE GLASS.
<br />~r OH RATIO ,()()",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 />NE/NW 1,00 ,94 .91 ,85 .79 ,72 .68 .63 .58 ,50 ,40 ,36
<br />t;~ E!W 1.00 .95 ,92 ,85 ,78 .70 .64 ,58 .52 ,42 ,33 .26
<br />wO
<br />~l SE/SW 1,00 .93 ,90 .81 .72 ,62 .55 .49 .42 ,33 ,27 ,22
<br />S 1.00 .91 .87 ,77 .67 ,57 ,50 .45 ,39 ,32 ,28 .25
<br />IH* nit 1 ft 11j,ft ?ft ~ft 3% fl. ,41;,ft <;1/"1I R1/.1t Ql/.,It 14ft ?Oft...
<br /> 'To select bv Overhann Lenath no nart of nlass shall be more than 8 ft. below the overhano.
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<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 />1,9 .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 />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 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 />
<br />6A-3 DOOR SUMMER POINT MULTIPLIERS
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7.2 2.4
<br />INSULATED 4,8 1.6
<br />
<br />SPM)
<br />
<br />6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMl
<br />UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br />R-VALUE SPM 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 & UD 1.4 1.3
<br />38 & UD .4 26-29.9 1.1
<br /> ~o R. Un 00
<br />
<br />
<br />RAISED W0002
<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 IDM)
<br /> RETURN DUCTS RETURN DUCTS
<br /> R-VALUE IN UNCONDmONED SPACE IN CONDmONED SPACE
<br /> SUPPLY DUCTS IN 4.2-5,9 1,14 1.10
<br /> UNCONDmONED SPACE 6,0-6.6 1.10 1,07
<br /> 6.7 & UP 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 /> 607 & UD 1 nR 1.00
<br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMl
<br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS ICSMl
<br />Central Units (SEER) Ratinn 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) Ratinn 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~ INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1 13.8
<br />PRACTICE #2 10.9
<br />
<br />6A-9 HOT WATER MULTIPLIERS IHWM\
<br />SYSTEM TYPE HOT WATER MULTIPLIERS IHWM
<br />Electric Resistance . EF .80-.81 .82-.83 ,84-.85 ,86-,87 ,88-.90 .91-.93 ,94-.96 .97 & UP
<br />HWM 3879 3785 3695 3609 3527 3411 3302 3200
<br />Natural Gas EF .43-.47 I ,48-.49 .50-.51 ,52-,53 .54-,55 ,56-,57 .58-.59 .60-.61 .62-.63 ,64-.65 .66 & Up
<br />HWM 2974 I 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938
<br />LP Gas HWM 3638 I 3259 3129 3009 2897 2794 2697 2607 2523 2444 2370
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<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.
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<br />-3-
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