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<br />SUMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 .s 6
<br />
<br />~r
<br />
<br />....a:
<br />
<br />~[
<br />
<br />6A.l SUMMER OYERHANG FACTORS ISOFl FOR SINGLE AND DOUBLE PANE GLASS.
<br />OH RATIO ,00-,11 .12-,17 ,18-,26 .27-,35 ,36-,46 .47-,57 ,58-,70 .71-,83
<br />N 1.00 ,94 ,91 ,87 ,83 .79 .75 .72
<br />NElNW 1.00 ,94 ,91 ,85 ,79 .72 ,68 ,63
<br />~ 1~ ~ ~ ~ ~ ~ M ~
<br />SE/SW 1.00 ,93 .90 ,81 ,72 .62 ,55 .49
<br />S 1.00 ,91 ,87 ,n .67 ,57 ,50 .45
<br />"I.J I ~N~Ti:l* nit 1 It 1% It ? It ~ It ~v, It 41hft 5'h It
<br />'To select bv Ovemann Lennth no oart of alass shall be more than 8 ft. below the ovemana.
<br />
<br />2,74+
<br />.50
<br />,36
<br />,26
<br />.22
<br />,25
<br />?ilit..
<br />
<br />,84-1.18
<br />,69
<br />,58
<br />,52
<br />.42
<br />,39
<br />IW,1t
<br />
<br />1.19-1.72
<br />.62
<br />,50
<br />.42
<br />.33
<br />.32
<br />ov.:tt
<br />
<br />1,73-2.73
<br />,56
<br />,40
<br />,33
<br />,27
<br />,28
<br />14ft
<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-YALUE
<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 />
<br />
<br />CONCRETE BLOCKl
<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 />,4 ,3
<br />,2 .2
<br />,1 .1
<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 ISPMl
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R-YALUE SPM R-YALUE SPM CEILING TYPE
<br />WOOD 7,2 2.4 19-21.9 1.1 10-10,9 3,0 R-YALUE 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 /> ~n Ro lJn nQ
<br />6A-5 FLOOR SUMMER POINT MULTIPLIERS ISPMl
<br />SLAB-DN-GRADE 1111!! RAISED illilli RAISED WOO[)2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJ~CENT
<br />ii: iii, CONSTRUCTION FLOOR INSULATION
<br />R-YALUE SPM iii R-YALUE SPM :;Wi R.YALUE SPM SPM SPM
<br />0-2.9 -31.9 Ii: 0-2,9 -1.0 :iiii 0-6,9 0.9 -5.8 5.3
<br />3-4,9 -31.8 ifi 3-4,9 -1.7 Iii, 7-10.9 -1.1 -2.8 2,1
<br />5-6,9 -31.7 5-6,9 -1.7 ':il 11-18,9 -1.0 -2.2 1.8
<br />7 RolIn -~1 R Wi 7 Rolin -17 1Q Ro Iln -n Q -1 II 1- n
<br />
<br />SPM)
<br />
<br /> 6A-7 DUCT MULTIPLIERS IDMl
<br /> RETURN DUCTS RETURN DUCTS
<br /> R.YALUE 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 SPACE' 6.0-6,6 1.07 1.00
<br /> R 7 R. Iln tOR 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) Ratino 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-6 INFILTRATION SUMMER POINT MULTIPLIERS (SPM)
<br />INFILTRATION PRACTICE SPM
<br />SEE TABLE 6A.2l
<br />PRACTICE #1 13,8
<br />PRACTICE #2 10,9
<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 ,48-.49 .50-,51 .52-,53 .54-,55 .56-,57 .58-,59 ,60-,61 ,62-.63 ,64-,65 ,66 & Uo
<br /> HWM 2974 2664 2558 2459 2368 2284 2205 2132 2063 1998 1938
<br />LP Gas HWM 3638 3259 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.
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<br />-3-
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