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<br />SUMMER POINT MULT~~ERS (SPM) CLIMATE ZONES 4 S 6
<br />6A-1 SUMMER OVERHANG FACTORS (SOl {;OR SI GLE 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 />Oa: E!W 1.00 .95 I .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 j .87 ,77 ,67 .57 .50 ,45 ,39 ,32 .28 ,25
<br />. Oft. 1 ft J 1'/, ft 2 ft. 3 ft. 3%11. 4'h ft, 5'h ft f;1j,ft ~1'I, ft 14ft :lOft...
<br /> \ 'r.6 select bv Overhano Lenalh no oart 01 alass shall be more !hart 8 ft. below the ovemana.
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS (SPMI
<br /> FRAME CONCRETE BLOCK' FACE BRICK LOG
<br /> INT. INSULATION XT. INSUL R.VALUE WOOD FR
<br /> WOOD STEEL NORMAL WT. NOR. WT. 0-6.9 2,9 6 INCH
<br />R.V ALUE EXT ADJ EXT ADJ R.VALUE EXT ADJ EXT 7-10.9 .6 R.VALUE EXT
<br />0-6,9 6.4 2.2 8,9 2.9 0-2.9 2,5 ,9 2,5 11-18.9 .4 0-2.9 1.7
<br />7.1.0,9 2,3 .8 4.1 1.3 3-4,9 1.4 .7 .7 19-25.9 ,2 3-6,9 1.1
<br />11-12.9 (~ /.f"l 3..0 1.0 5-6,9 1,0 .6 ,3 26 & Uo .1 I, 7 & Uo .8
<br />13-18.9 1.7 ':'6" 2,8 0.9 7-10.9 .8 .4 .1 R.VALUE BLOCK 8 INCH
<br />19-25.9 1.0 .3 2.4 .0,8 11-18,9 .4 ,3 .0 0.2,9 1.0 i. R.VALUE EXT
<br />26& Uo .6 .2 1.3 0.4 19-25,9 ,2 ,2 .... 3-6,9 ,6 .0-2,9 1.0
<br /> 26&Uo ,1 ,1 7-9,9 ,4 3-6.9 .8
<br /> ln II. lJn ,2 7 & Uo .7
<br />
<br />6A.3 DOOR SUMMER POINT MULTIPLIERS SPM)
<br />DOOR TYPE EXTERIOR ADJACENT
<br />
<br /> 6A-4 CEILING SUMMER POINT MUL TIPUERS (SPMI
<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 14-2.0,9 2,0 2.1
<br /> 30-37,9 ,6 19-25.9 1.8 21 & Up 1.4 1.3
<br /> 38 & Uo .4 26-29,9 1.1
<br /> 10R.lln .0,9
<br />6A.S FLOOR SUMMER POINT MULTIPLIERS (SPMI
<br />SLAB-ON-GRADE RAISED RAISED WOOD2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJ~CENT
<br /> 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 0-6,9 0,9 -5.8 5.3
<br />3-4,9 -31,8 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 & Uo -31.6 7& Uo -17 HI II. UO -MI -1.8 1.0
<br />
<br />WOOD
<br />
<br />INSULATED
<br />
<br />6A-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />INFILTRATION PRACTICE SPM
<br />(SEE TABLE 6A-211
<br />PRACTICE #1 13.8
<br />PRACTICE #2 10.9
<br />:#3 .L6
<br />
<br />6A-7 DUCT MULTIPLIERS (DMI
<br /> RETURN DUCTS RETURN DUCTS ...
<br /> R.VALUE 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 1,10 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 />6.7 & Uo 1.06 Lon
<br />
<br />6A-8 COOUNG SYSTEM MULTIPLIERS CSM
<br />~"-SIE"'- TYPE . . COOLING SYSTEM MUL TIPLIER.S CSM._____
<br />Central Units (SEER) Ratin 7.5-7,9 ~-'-01l':9$_85.-8'8. 8,!l.-M 9k9,9 10,.0:10,4 10.5-1.0..911.-0-11.4_ 11.5:1.Ulj12,O.:..1g.4
<br />CSM .45.43 . ,4.0 ,38 .36 ,34 ,32 ,31 .3.0 .28
<br />PTAC & Room Units (EER) . ~~~===.._1~;~~~ 1~~~~_3,4 13,~;~~,9 ~~.~;t.~ _14'~;14,9 15,~~5.4 15~~~~5.9 16.~~~6.4 16,5;~6.917,~~7.4 _17.51~UP
<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 (HWMI
<br />~~YS:reM TYPE HOT WATE8-MULnPUERS (HWM
<br />Electric Resistance EF ,80-.81 .82-,83 ,84-.85 ,86-.87 ,~]tt..... ,91-,93 ,94-,96 .97 & Uo
<br /> HWM 3879 3785 3695 3609 j527 ) 3411 330L 3200._
<br />Natural Gas EF .43-.47 .48-,49 I ,5.0-,51 ,52-,53 ,54-.55 .56-,57 ,58-,59 ,6~V ,62-.63 ,~-.65 .66 & Uo
<br /> HWM 2974 2664 I 2558 2459 2368 2284 22.05 2132 2063 1998 1938
<br />LP Gas HWM 3638 3259 I 3129 3009 2897 2794 2697 2607 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.
<br />
<br />-3,
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