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<br />fie) L\ .
<br />
<br />WINTER POINT MULTIPLIERS (WPM)
<br />6A-10 WlNTEROVERHANGFACTORS(WOF)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />~r
<br />t;
<br />wa:
<br />
<br />~[
<br />
<br />
<br />1,388
<br />1.095
<br />0,992
<br />9,5'
<br />
<br />1.490
<br />1.1 07
<br />0,990
<br />14,0'
<br />
<br />1
<br />1.573
<br />1.116
<br />0,989
<br />20,0'
<br />
<br />6A-11 WALL WINTER POINT MULTIPLIERS (WPM)
<br />
<br /> FRAME CONCRETEBLOCKINORMALYrn FACE BRICK LOG
<br /> INTERIOR EXT. R-VALUE WOOD FR R.VALUE BLOCK
<br /> WOOD STEEL INSULATION INSUL 0.{l,9 7,0 0-2.9 3,7 6 INCH 8 INCH
<br />R.VALUE EXT ADJ EXT ADJ R-VALUE EXT ADJ EXT 7-10,9 2,1 3.{l,9 2,6 R-VALUE EXT EXT
<br />0-6,9 6.8 5,3 9,4 6,7 0-2,9 6,0 3,1 6,0 11-18.9 1,7 7-9,9 1.8 0-2,9 2,2 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 & Up ,6 7 & Uo ,9 ,7
<br />13-18,9 1.6 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 11-16,9 1,5 1.1 ,8
<br />26& Uo .7 .7 1.4 12 19-25.9 ,8 ,7 I NOTE: SEESECTION2,QOF APPENDIXC FOR MULTIPLIERS I
<br /> 26&Uo ,5 ,5 OF ENVELOPE COMPONENTS NOT ON THIS FORM,
<br />
<br />6M2 DOOR WINTER POINT MULTIPLIERS WI
<br />DOOR TYPE EXTERIOR ADJACENT
<br />WOOD 7,6 5,9
<br />INSULATED 5,1 4,0
<br />
<br />PM)
<br />
<br />6A-13 CEILING WINTER POINT MULTIPLIERS PM
<br />NDER A TIlC 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 />36 & Up .4 26-29,9 ,6
<br />0,85 30 & Up .4
<br />
<br />R.VALUE
<br />10-13,9
<br />14-20,9
<br />21 &U
<br />
<br />CONCRETE DECK ROOF
<br />CEILING TYPE
<br />EXPOSED DROPPED
<br />1.02 0,83
<br />0,59 0.49
<br />0,26 0.23
<br />
<br />
<br />RAISED WOOD
<br />POST OR PIER STEM WALL wI UNDER
<br />CONSTRUCTION FLOOR INSULATION
<br />WPM WPM
<br />2.49 1,8
<br />0,78 ,7
<br />0,47 ,5
<br />Q14 j
<br />
<br />ADJACENT
<br />
<br />WPM
<br />5,3
<br />2,1
<br />1,8
<br />1,0
<br />
<br />6A.16A AIRHANDLERMULTlPUERS PM
<br />Located in attic 1.04
<br />Located in ara 1.00
<br />Located in conditioned area 0.93
<br />Located on exterior of building 1.04
<br />
<br />6A-16 DUCT MULTIPLIERS DMlseeT,ble&-loforCodemlnlmums,
<br /> DUCT RETURN DUCTSln:
<br />SUPPLY DUCTS IN: R.Value UNCONDITIONED SPACE Arnc WITH RSS CONDITIONED 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 /> 4.2 1.071 1.063 1.055
<br />Attic 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 />Cond~ioned Space 6.0 1.006 1.004 1.0
<br /> '6,0 1,005 1,003 1,0
<br />
<br />6A.17 HEATING SYSTEM MULTlPUERSfHSM)
<br />SYSTEM TYPE See Tables 6-6 to 6-6/or code minimums HEATING SYSTEM MULTIPLIERS fHSMl
<br />Central Heat HSPF 6.40-6.79 6,80-6,89 6,90-7,39 7,40-7,69 7.90-6,39 6.40-6,69 6,9-9,39 9.4-9,69
<br />Pump Units HSM .53 ,50 .49 ,46 .43 .41 ,36 ,36
<br /> HSPF 9.90-10.39 10.40-10.69 10.90-11.39 11.40-11.69 11.90-12,39 12.40 & uo
<br /> HSM .34 .33 ,31 ,30 .29 .26
<br />PTHP COP 2.50-2.69 2.70-2.89 2.90-3.09 3.10-3.29 ' 3.30-3.49 3.50-3.69 3.70-3,89 3,90-4,19
<br /> HSM .40 .37 .34 .32 .30 .29 ,27 .26
<br />Electric Strip 1.0
<br />Gas & LP Gas 1.0 (See Table 6A-16 for Cred~ Multiplier)
<br />
<br />-5-
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