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<br />WINTER POINT MULTIPLIERS (WPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A-l0 WINTER OVERHANG FACTORS (WOFl
<br />J OH RATIO I .00-.11 I .12-,17 I .18-.26 .27-.35 I .36- .46 .47. .57 .58-.70 I .71-.83 I .84-1,18 11.19.1.72 1.73-2.73 2.74+
<br /> SINGLE PANE GLASS
<br />N 1.00 1,03 1.05 1.08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34
<br />NE/NW 1.00 1.07 1.10 1.15 1.20 1.25 1.30 1.35 1.39 1.50 1.59 1.67
<br />EfIN 1.00 .71 ,57 /019; -.20 -,65 -1.05 -1.48 .2,03 -3.01 -406 -5.04
<br />SE/SW 1.00 ,93 .90 .80 .68 .54 .39 .22 ,05 -,33 -.71 -1.01
<br />ba: S 1.00 .95 .92 .83 .70 .54 .36 .13 -.13 -.70 -.98 -1.09
<br />i[ DOUBLE PANE GLASS
<br />N 1.00 1.05 1,07 1,11 1.14 1.18 1.21 1,24 1.28 1,34 1.40 1.47
<br />NE/NW 1.00 1.11 1.16 1.24 1.32 1.41 1.48 1.56 1.63 ~oo 1.94 2.08
<br />EfIN 1.00 ,88 .82 .66 .50 .31 .15 -.03 -.26 -,66 -1.10 -1.50
<br />SE/SW 1.00 ,95 .92 .85 .76 .65 .54 .41 .28 -,01 -,30 -.52
<br />S 1.00 .96 .94 ,87 .78 .65 .51 .33 .13 -,30 -.51 -.60
<br />OH LENGTH' Oft. 1 ft. 1'/, ft, 2 ft. 3 ft. 3'/, ft. 4'/,ft. 5'12 ft, 6'12ft, 9'/2 ft. 14ft. 20 ft.+
<br /> 'TO SELECT BY OVERHANG LENGTH. NO PART OF GLASS SHALL BE MORE THAN 8 FT BELOW THE OVERHANG.
<br />
<br />6A-ll WALL WINTER POINT MULTIPLIERS IWPMI
<br /> T CONCRETE BLOCK! FACE BRICK LOG
<br /> FRAME INT. INSULATION ~XT. INSUL 1!1?':; R-VALUE WOOD FR
<br /> WOOD STEEL I" NORMAL WT. NOR. WT. 0-6.9 7.0 6 INCH
<br />R-VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 2,1 R-V ALUE EXT
<br />0.6,9 6,8 5.3 9.4 6,7 I,I.'.'..'.',., 0-2,9 6,0 3.1 6.0 11-18.9 1.7 0-2,9 2.2
<br />7-10.9 2,5 2.1 4.4 3.3 3-4.9 3.8\ 2.3 2,8 19-25.9 1.0 3-6.9 1.2
<br />11-12.9 2.0 /1,8) 3,3 2.6 · 'TTf} 5-6.9 '-:>}f 1,9 2.0 26 & Uo ,6 7 & Uo ,9
<br />13-18,9 1.8 Hi 3,0 2.4 7.10,9 2.3 1.5 1.5 , R-VALUE BLOCK 8 INCH
<br />lQ-,,,,Q 11 (10) 2,6 2,2 11-18.9 1." 1.1 -:a 0-2Jl 3.7 R-V ALUE EXT
<br />26& Un .7 ,7 1.4 1.2 19-25.9 .8 ,7 3-6.9 2.6 0-2.9 1.2
<br /> 26 & Uo .5 ,5 7-9.9 1.8 3-6.9 ,9
<br /> 1n R. IIn l' 7 R. Iln 7
<br />
<br />6A-12 DOOR WINTER POINT MULTIPLIERS WPM)
<br />DOOR TYPE EXTERIOR ADJACENT
<br />
<br />WOOD 7.6
<br />
<br />5,9
<br />
<br />6A-13 CEILING WINTER POINT MULTIPLIERS (WPMl
<br />UNDER Arnc SINGLE ASSEMBLY
<br />R-VALUE WPM R.VALUE WPM
<br />19-21.9 1.0 _) 10-10,9 1.8
<br />22-25.9 .9 11-12.9 1.6
<br />26-29,9 ,7 13-18.9 1.5
<br />30-37,9 ,6 19-25.9 1.1
<br />38 & Un .4 26-29,9 ,6
<br />'nR.i~ t1
<br />
<br />R-VALUE
<br />10-13,9
<br />14-20,9
<br />21 & Uo
<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />DROPPED EXPOSED
<br />1.2 1.3
<br />.7 .7
<br />.4 .3
<br />
<br />INSULATED ',,5.1 )
<br />
<br />,
<br />( 4.0)
<br />
<br />6A-14 FLOOR WINTER POINT MULTIPLIERS (WPMl
<br />SLAB-DN-GRADE RAISED
<br />EDGE INSULATION CONCRETE
<br />
<br />R-VALUE WPM R-VALUE WPM
<br />0-2.9 2.5 ) 0-2.9 4.0
<br />3-4.9 -1.7 I'",.. 3-4.9 1.8
<br />5-6.9 -2,4 5-6.9 1,1
<br />7 R.lln -'7 7 R. Iln R
<br />
<br />R-VALUE
<br />0-6.9
<br />7-10.9
<br />11-18.9
<br />19R. Iln
<br />
<br />RAISED WOOD2
<br />POST OR PIER STEM WALL wi UNDER
<br />CONSTRUCTION FLOOR INSULATION
<br />WPM WPM
<br />7,9 1.8
<br />~1 .7
<br />1,5 .5
<br />9 ,
<br />
<br />ADJACENT
<br />
<br />WPM
<br />5.3
<br />2.1
<br />1.8
<br />1 n
<br />
<br />6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM)
<br />INFILTRATION PRACTICE WPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1
<br />PRACTICE #2
<br />
<br />
<br />6A-16 DUCT MULTIPLIERS IDMl
<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 DUCTSIN 4.2-5.9 1,10 1.00
<br />CONDITIONED SPACE' 6,0-6.6 1.07 1.00
<br />67R.11;;' 1M 1M
<br />
<br />6A.17 HEATING SYSTEM MULTIPLIERS HSM
<br />
<br />
<br />:;~~~-~~=~~::~: ~~~~I~~p~~~;ll, ~~l,~:~n~:,~"C,',n,,~:,::,'_, :,9:',~B"I:
<br />
<br />-- - - n lisM - n:E'A<i =_/::.:31 n - ':34: ~:. 32 _~n-..;iO=-i --.2[: J:'21:: J .16.
<br />!;I~t;!rjg_~.tr~ . _~UL,____,_~___~_~___~_________,__
<br />Gas & LP Gas 1.0 @ee Table 6A-l.!tfQr.Qrngit MlJl!il>li~r1.___
<br />MINIMUMS: CENTRAL UNITS-AIR SOURCE SPLIT SYSTEM 6.8 HSPF, SINGLE PKG. 6.6 HSPF. WATER SOURCE 3,8 COP. GROUND WATER SOURCE 3,4 COP, PTHP SEE TABLES 6,6 TO 6,8.
<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 />.5,
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