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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />6A-l SUMMER OVERHANG FACTORS SO FOR SINGLE AND DOUBLE PANE GLASS.
<br />OH RATIO .00-.11 .12-.17 .18-.26 .27-,35 .36-.46
<br />N 1.00 .94 .91 .87 ,83
<br />NElNW 1.00 ,94 ,91 .85 .79
<br />~ 1m ~ .~ ~ n
<br />SEJSW 1.00 .90 .81 .72
<br />S 1.00 .87.77 ,67
<br />
<br />~r
<br />tia:
<br />~o
<br />~L
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<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
<br />1.9
<br />1.7
<br />1.0
<br />.6
<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 />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 />,3
<br />.2
<br />.1
<br />
<br />
<br />.7
<br />.6
<br />.3
<br />.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 />6A-3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPM)
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-VALUE SRM 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 Y 11-12.9 2.7 10-13.9 3,0 33
<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 & Up 1.4 1.3
<br /> 38 & Up .4 26-29.9 1.1
<br /> 30& Un 0,9
<br />6A-S FLOOR SUMMER POINT MULTIPLIERS (SPM)
<br />SLAB-oN-GRADE I,.) RAISED RAISED WOO[)2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wi UNDER ADJ~CENT
<br />, CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPJa R-VALUE SPM R-VALUE SPM SPM SPM
<br />0-2.9 / -31,9) 0-2.9 -1,0 0-6,9 0.9 -5.8 5,3
<br />3-4.9 ~ ..'... 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 11-18,9 -1.0 -2.2 1.8
<br />7 & Un -31.6 7 & Un -17 Hl.\ Iln -OQ -1.8 1.0
<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 />SPM)
<br />
<br />6A-7 DUCT MULTIPLIERS OM
<br />
<br />
<br />RETURN DUCTS
<br />IN UNCONDITIONED SPACE
<br />1.1
<br />( 1.10
<br />1.09
<br />1.10
<br />1.07
<br />
<br />RETURN DUCTS
<br />IN CONDITIONED SPACE
<br />1.10
<br />1.07
<br />.06
<br />1.00
<br />1.00
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />
<br />SUPPLY DUCTS IN
<br />CONDITIONED SPACE'
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS CSM
<br />_~.Y.~TEM lYPE _COOLING ~YST~M_MI,lb.T1PLlERS CSM '.______ ~_ _ ,_,_ "',
<br />Central Units (SEER) {~~ng- -- J~~:.9__ ~~i~,4 8.~~~.~_ 8'~3~~L1~!1'~l!!n~~:~4.. 10'~3~Q'~t.1tQ;pAJJ L~;J 1'!11' 120;~g,4
<br />
<br />PTAC & Room Unils (EER) RatiIlR____ Jg,~Ig.!1 J3.0-13.4 1~,~!1..!!. J1,Q:11.4 Ji~:14,!11M.:1M,..L~ Jll,Q:1M JQ.~-1119_ J7,9-17,4 17.5 & Up
<br />-------- ..QSM______'??.__ __:?ll_, ___25_ ,?1_ _.14___ _,-,?.3__ __.:.gg_ ~:?L___.?L..:.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 HWM
<br />$y$Ta:....TyPI:_______ HOT WATER MULTIPLIERS (HWM
<br />1;1=...____._ ---~-.----.----.--- n,!lQ::!lL _,8?-.83 .84-,85 86-.87 _,8!l.:,~ 1- .!11- 93
<br />- HWM n. _____. _ 3879_ _ 3785 31)95 ~609. _ _ ~~ti27) _ 3411
<br />
<br />"~M--~ -'~~~f: _---~~~!1 _~~~1..:: =-1~~~~ ~ .;~~~5 .~~~~7 :__;~~~~ _ .~~~~~ _ ,~~~~3 _
<br />HWM 3638 3259 3129 3009 2897 2794 2697 2607 :'')23
<br />
<br />Electric Resistance
<br />
<br />Natural Gas
<br />
<br />LP Gas
<br />
<br />,!14-,96
<br />3302
<br />64-,65
<br />1998
<br />2444
<br />
<br />,97 & Up
<br />n 3200
<br />,66 & Up
<br />1938,
<br />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 />
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