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<br />WINTER POINT MULTIPLIERS (WPM)
<br />6A-to W1NTEROVERHANGFACTORS(WOF)
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<br />CLIMATE ZONES 4 5 6
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<br />~r
<br />~a:
<br />wO Southwest 1,00 1.002 1.013 1.038 1.071 1.118 1.168 1,225 1,278 1.388 1.490 1.573
<br />Wl West 1.00 0.999 1.003 1,013 1.025 1,040 1,053 1,067 1.077 1.095 1.107 1,116
<br />Northwest 1,00 0,999 0.998 0,997 0,997 0,996 0,995 0,994 0,993 0,992 0,990 0,989
<br />OH Len th 0.0' 1.0' 1,5' 2,0' 3,0' 3,5' 4,5' 5.5' 6,5' 9.5' 14,0' 20,0'
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<br />6A.ll WAll WINTER POINT MULTIPLIERS (WPM)
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<br /> FRAME CONCRETE BLOCK (NORMAL wn FACE BRICK lOG
<br /> INTERIOR EXT, R.VAlUE WOODFR R-VALUE BLOCK
<br /> WOOD STEEL INSULATION INSUL 0-6,9 7.0 0-2,9 3.7 6 INCH SINCH
<br />R-VAlUE EXT AI?:J__ __EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 2.1 3-6.9 2,6 R-VALUE EXT EXT
<br />0.6,9 6,8 5,~_ 1-_ 9.4 6.7 ()'2.9 6,0 ~:1 6,0 11-18,9 1.7 7-9.9 1,8 .0-2.9 22 1,2
<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 10&UP 1,3 3-6,9 1,2 ,9
<br />11-12,9 2.0 1,8 3,3 2,6 5-6,9 2.9 1,9 2.0 26&Uo ,6 7&IJo ,9 .7
<br />13-18.9 1.8 1,6 3.0 2,4 7-10.9 2,3 1.5 1.5
<br />19-25,9 1,1 1,0 2,6 22 11-18.9 1,5 1.1 .8
<br />26& Uo ,7 .7 1.4 12 19-25,9 .8 .7 r NOTE: SEESECTION2,OOF APPENDlXC FOR MUlTIPliERS I
<br /> 26 & Uo ,5 ,5 OF ENVELOPE COMPONENTS NOT ON TllIS FORM,
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<br />6A-12 DOOR WINTER POINT MULTIPLIERS WI
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,6 5,9
<br />INSULATED 5,1 4,0
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<br />PM)
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<br />....
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<br />6A-13 CEILING WINTER POINT MULTIPLIERS /WPM)
<br />UNDER Arne- SlmIT
<br />R-VALUE WPM R-VAlUE WPM CEILING TYPE
<br />19-21.9 1,0 1 ()'1 0,9 1,8 R-VALUE EXPOSED DROPPED
<br />22-25.9 ,9 11-12.9 1,6 1()'13,9 1.02 0,83
<br />213-29.9 ,7 13.18.9 1,5 14-20,9 0,59 0.49
<br />30-37,9 ,.. .6 19-25.9 1.1 21 &Uo 0,26 0.23
<br />38&Uo .4 26-29,9 ,6
<br />RBS Cree it 0,85 30&Up ,4
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<br /> POST OR PIER STEM WAll wi UNDER ADJACENT
<br /> CONSTRUCTION FLOOR INSULATION
<br />WPM WPM WPM WPM
<br />2,5 2.49 1.8 5,3
<br />-1.7 0,78 .7 2.1
<br />-2,4 0,47 ,5 1.8
<br />.2.7 0,14 ,3 1.0
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<br />6A-16A AIRHANDlERMUlTlPUERS PM
<br />Located in attic 1,04
<br />Localed in ara e 1.00
<br />Located in conditioned area 0.93
<br />Located on exterior of building 1,04
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<br />6A-16 DUCT MULTIPLIERS DM\ S..TlbIo8-10rcwCc*mlnlmuml,
<br /> DUCT RE n:
<br />SUPPLY DUCTS IN: R-Value UNCONOnnDNEO SPACE ATTIC WITH RDS CONomONEO SPACE
<br /> 4.2 1.099 1.091 1.086
<br />Unconditioned Space 6,0 1,073 1.067 1,063
<br /> 8,0 1.056 1.052 1.049
<br /> 42 1.071 1.063 1,055
<br />Allie with Radiant Barrier (RBS) 6,0 1.053 1,047 1.040
<br /> 8,0 1.042 1,037 1,033
<br /> 42 1,008 1,005 1,0
<br />Conditioned Space 6.0 1.006 1.004 1.0
<br /> '8,0 1,005 1.003 1.0
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<br />6A.17 HEATING SYSTEM MULTIPLIERS {HSM\
<br />SYSTEM TYPE See Tables ~61o 6-8 for code minimums HEA TIN!! ~T~!oL""Ul TIPlIERS IHSM\
<br />Central Heat HSPF 6,40-6,79 6,80-6,89 6,90-7,39 7.40-7,89 7.90-8,39 8.40-8,89 8.9-9.39 9.4-9.~L
<br />Pump Units __ tiSM, ,53 .50 .49 .46 ,43 .41 ,38 ,36
<br /> HSPF 9,90-10,39 10.4()'10.89 10,90.11.39 11.40.11.89 11.90-12.39 12.40 & uo
<br /> HSM .34 .33 ,31 ,30 .29 .28
<br />PTHP COP 2,50-2.69 2,70-2,89 2,90.3.09 3.1 ()'3,29 3,3()'3.49 3.50-3,69 3,70-3,89 3.90-4.1L
<br /> HSM ,40 ,37 ,34 ,32 .30 ,29 ,27 .26
<br />Electric ~trio 1,0
<br />Gas & LP Gas 1.0 (See Table 6M8 for Credit Muttiplier)
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