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WINTER POINT MULTIPLIERS (WPM) 6A-10 W1NTEROYERHANGFACTORS(WOF) CLIMATE ZONES 4 5 6 l wa:: iifo Southwest 1.00 1.002 1.013 1.038 1.071 1.118 1.168 0l West 1.00 0.999 1.003 1.013 1.025 1.040 1.053 Northwest 1.00 0.999 0.998 0.997 0.997 0.996 0.995 OH Len th 0.0' 1.0' 1.5' 2.0' 3.0' 3.5' 4.5' 6A-11 WALL WINTER POINT MULTIPLIERS (WPM) FRAME CONCRETEBLOCKTNORMAL~ FACE BRICK LOG INTERIOR EXT, R-YALUE WOOD FR R-YALUE BLOCK WOOD STEEL INSULATION INSUL 0-6.9 7.0 0-2.9 3.7 6 INCH 8 INCH R-YALUE EXT ADJ EXT ADJ R-YALUE EXT ADJ EXT 7-10.9 2.1 3-6.9 2.6 R.VALUE EXT EXT 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 12 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 11-12.9 2.0 1.8 3.3 2.6 5-6.9 2.9 1.9 2.0 26&Up .6 7& Up .9 ,7 13-18.9 1.8 1.6 3.0 2,4 7-10.9 2.3 1.5 1.5 19-25.9 1,1 1.0 2.6 22 11-18.9 1.5 1.1 .8 26& Uo .7 .7 1.4 12 19-25.9 .8 .7 r NOTE: SEE SEcnON 2.0 OF APPENDIX C FORMUL nPlIERS I 26 & UP ,5 .5 OF ENVELOPE COMPONENTS NOT ON THIS FORM, 6A-12 DOOR WINTER POINT MULTIPLIERS WI DOOR TYPE EXTERIOR ADJACENT WOOD 7.6 5,9 INSULATED 5.1 4,0 PM) R-YALUE 10-13.9 14-20.9 21 &U SLAB-oN-GRADE EDGE INSULATION R.YAUJE WPM 0-2.9 2.5 3-4.9 -1.7 5-6.9 -2.4 7&U -2.7 POST OR PIER CONSTRUCTION WPM 2.49 0.78 0.47 0.14 W STEM WALL wI UNDER FLOOR INSULATION WPM 1.8 .7 .5 .3 ADJACENT WPM 5,3 2.1 1.8 1.0 6A-16A AIRHANDLERMULTIPUERS PM Located in attic 1.04 Located in ara e 1.00 Located in conditioned area 0.93 Located on exterior of building 1.04 6A-16 DUCT MULTIPLIERS DMl Sol Tlblt8-101or Code mln..u.... DUCT F ETURN DIJCTSTn: SUPPLY DUCTS IN: R-Yalue UNCONDnlONED SPACE ATTIC WITH RBS CONDITIONED SPACE 4.2 1.099 1.091 1.086 Unconditioned Space 6.0 1.073 1.067 1.063 8.0 1.056 1.052 1.049 4,2 1.071 1.063 1.055 Attic with Radiant Barrier (RBS) 6.0 1.053 1.047 1.040 8.0 1.042 1.037 1.033 4.2 1.008 1.005 1.0 Conditioned Space 6.0 1.006 1.004 1.0 '8.0 1.005 1.003 1.0 6A-1r HEATING SYSTEM MULTIPLIERS (HSMl SYSTEM TYPE See Tables 6-610 6-8 for COde minimums HEATING SYSTEM MULTIPLIERS (HSMl 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 9.4-9.89 Pump Units HSM .53 .50 .49 .46 .43 .41 .38 .36 HSPF 9.90-10.39 10.40-10.89 10,90-11.39 11.40-11.89 11.90-12.39 12.40 & UP HSM .34 .33 .31 .30 .29 .28 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 HSM .40 .37 .34 .32 .30 .29 .27 .26 Electric Strip 1.0 Gas & LP Gas 1.0 (See Table 6A-18 for Credit MuRiplier) -5.