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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A.l SUMMER OVERHANG FACTORS (SOl ) 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 8 1.19-1.72 1.73-2.73 2,74+
<br />N 1.00 ,94 ,91 ,87 ,83 ,79 ,75 .72 7,69 ) ,62 ,56 .50
<br />NElNW 1.00 ,94 ,91 ,85 ,79 .72 ,68 ,63 :sa ,50 .40 ,36
<br />t)a: ENJ 1.00 (95) ,92 ,85 ,78 ,70 ,64 ,58 ,52 .42 ,33 ,26
<br />wO
<br />ml SE/SW 1.00 ']3 ,90 ,81 ,72 ,62 ,55 .49 .42 ,33 ,27 .22
<br />S 1,00 1,91) ,87 ,77 ,67 ,57 ,50 .45 ,39 ,32 ,28 ,25
<br />. nft )-f(' 1'0 ft :>It 3ft 3'0 ft. ~'hft 5',1, ft 6',1, ft, Q'h ft 14ft 20ft,+
<br /> 'To select bv OvertJano Lenoth no Dart of olass shall be more than 8 ft. below the overtJann,
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS SPM
<br />FRAME
<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 />WOOD
<br />EXT ADJ
<br />6.4 2,2
<br />2,3
<br />1.9 ,7
<br />1.7 ,6
<br />1.0 ,3
<br />,6 ,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 BLOCK'
<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-4 CEILING SUMMER POINT MULTIPLIERS (SPMl
<br /> UNDER A mc SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-VALUE SeM R-VALUE SPM CEILING TYPE
<br /> 19-21.9 (1.1) 10-10,9 3,0 R-V ALUE 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 /> 30 8. lIn Oll
<br />6A-S FLOOR SUMMER POINT MULTIPLIERS ISPMl
<br />SLAB-ON-GRADE RAISED i' RAISED WOO[)2
<br /> POST OR PIER STEM WALL wI UNDER
<br />EDGE INSULATION CONCRETE (i CONSTRUCTION FLOOR INSULATION ADJACENT
<br />R-VALUE sma R-VALUE SPM Ii R-V ALUE SPM SPM SPM
<br />0-2,9 1 -31.9 ) 0-2.9 -1.0 H" 0-6.9 0,9 -5.8 5,3
<br />3.4,9 '=3t:g' 3-4,9 -1.7 it 7-10.9 -1.1 -2,8 2.1
<br />5-6,9 -31.7 5-6.9 -1.7 11-18,9 -1.0 -2.2 1,8
<br />7 & Iln -31 R 7 !l.lln -17 198. IJn .09 -1 R , 1.0
<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 />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1
<br />PRACTICE #2
<br />
<br />
<br />6A-7 DUCT MULTIPLIERS (oMl
<br /> RETURN DUCTS RETURN DUCTS
<br /> R-V ALUE 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 (1.107 1.07
<br />6.7 & Uo 1.09 1.06
<br />,SUPPLY DUCTS IN 4.2-5,9 1.10 1.00
<br />CONDITIONED SPACE3 6.0-6,6 1,07 1.00
<br />6,78. Uo lOR 10n
<br />
<br />e :.-8 COOLING SYSTEM MULTIPLIERS (CSM
<br />SYSTEM TYPE
<br />
<br />Central Units (SEER)
<br />
<br />COOLING ~YSTj:MMULTIPb!;8H~SM)_ __. _,_ __,
<br />Ratin 7,5-7,9 8,0-8.4 8,5-8.8 8.9:~94~ ~5-9,9 10.0-1.4 10.5-1Q~~lLQ:J!A.. JU:11JL J2,0.:1~.1
<br />.CSM .4~_ ---..A3 __,<lil _,~ll._~. ~_~~~__ ~4. ~_._]L_ --'-~_.-----,f.8_
<br />PTAC & Room Units (EER) Rillir!g 12.5-12,9 13,0.13.4 13,5-13.9 14.0-14.4 14,5.-.14.9 15,0-15.4 1 '. ,9 J.M.16J 16.5...-16.9 lZJl-17.4 17-,~~..lJ~
<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 SEEA''-Gi10UND WATER HEAT PUMP 11.0 EEA. PTAC::'SEE TABLE 6-2
<br />
<br />6.<\-9 HOT WATER MULTIPLIERS HWM
<br />SYSTEM TYPE
<br />
<br />Electric Resistance
<br />
<br />EF
<br />HWM
<br />EF
<br />HWM
<br />HWM
<br />
<br />.43-.47 . .48-.49 ,59.-2.1
<br />2974 2664 2558
<br />3638 3259 3129
<br />
<br />,80-,81
<br />3879
<br />,5::::,53
<br />24~
<br />3009
<br />
<br />HOT WAT,r;R MU!J'IPLlI;.R~HWM_
<br />,82-,83 ...&1:Jl~ ,86.-,87 ,8 ~" 0 8,91..93
<br />3785 3695 ~2.Q~ !...lL')71. --.1411
<br />,54-,& ,56-.57 ..J?.8:,,~9 :60-,\,- ,61:,,~3
<br />23~1L 2284 22"2_ 21~. _f.Q~L
<br />2897 2794 26 T 2607 2523
<br />
<br />.94-,96
<br />33Qg
<br />.64:,65
<br />_1998_
<br />2444
<br />
<br />,97 &JJQ
<br />~?_OQ-
<br />,6~.!.!JQ
<br />_1[l,1~_
<br />2370
<br />
<br />Natural Gas
<br />LP Gas
<br />
<br />1 FOR MULTIPLIERS FOE OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION, i OF APPENDIX C, 2 MULTIPLIER" JR 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 CONDENSA,!ON,
<br />
<br />.3-
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