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<br />SUMMER POINT MUL Tj'PLlERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A-l SUMMER OVERHANG FACTORS ISOF 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 />t;a: EN-I 1,00 ,95 .92 ,85 .78 .70 ,64 ,58 ,52 .42 ,33 ,26
<br />wO
<br />~l SElSW 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 />. Oft 1 ft. 11j,ft 2ft. ~ft ~1j,ft 4% It, 'i'j,ft F;1j,ft !l1j,ft 14ft ?Oft+
<br /> 'To select bv Overhano Lenath no Dart of olass shall be more than 8 ft. below the overhann.
<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 ,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 BLOCK'
<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 6A-4 CEILING SUMMER POINT MULTIPLIERS ISPMl
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-VALUE SPM R-VALUE SPM CEILING TYPE
<br />WOOD 7.2 2,4 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 />INSULATED 4,8 1,6 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 /> 30 & Un nQ
<br />6A-S FLOOR SUMMER POINT MULTIPLIERS ISPMl
<br />SLAB-oN-GRADE Ililillll RAISED fII RAISED WOO[)2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJ~CENT
<br /> II!ill CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPM R-VALUE SPM R-VALUE SPM SPM SPM
<br />0-2.9 -31.9 0-2,9 -1,0 :f 0-6,9 0.9 -5,8 5,3
<br />3-4,9 -31,8 ii:': 3-4,9 -1.7 .......::... 7-10,9 -1.1 -2,8 2,1
<br />5-6,9 -31.7 ,... 5-6,9 -1.7 T 11-18.9 -1.0 -2,2 1.8
<br />7 P.IJn -~1 F; 7 P'lln -17 19& Un -0.9 -1.8 1.0
<br />
<br />SPM)
<br />
<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />
<br /> 6A-7 DUCT MULTIPLIERS IDMl
<br /> INFILTRATION PRACTICE SPM RETURN DUCTS RETURN DUCTS
<br /> ISEE TABLE 6A-21l R-VALUE IN UNCONDITIONED SPACE IN CONDITIONED SPACE
<br />PRACTICE #1 13,8 SUPPLY DUCTS IN 4,2-5.9 1,14 1.10
<br />PRACTICE #2 10,9 UNCONDITIONED SPACE 6.0-6,6 1.10 1.07
<br /> 7.6 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 /> F;7& Un 1 nF; 1 nn
<br />6A-8 COOLING SYSTEM MULTIPLIERS ICSMl
<br />SYSTEM TYPE COOLING SYSTEM MULTIPLIERS ICSMl
<br />Central Units (SEER) 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 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) 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 & Uo
<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-9 HOT WATER MULTIPLIERS IHWMl
<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 & Uo
<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 & Uo
<br /> HWM 2974 I 2664 2558 2459 2368 2284 2205 2132 I 2063 1998 1938
<br />LP Gas HWM 3638 I 3259 3129 3009 2897 2794 2697 2607 I 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.
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<br />-3-
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