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, . ~ . . . WINTER POINT MULTIPLIERS (WPM) 6A-10 WINTER OVERHANG FACTORS (WOF) CLIMATE ZONES 4 5 6 ~r wa: iilo 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 Wl Wesl 1.00 0.999 1.003 1.013 1.025 1.040 1.053 1.067 1.077 1.095 1.107 1.116 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 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' 2D.O' 6A-l1 WALL WINTER POINT MULTIPLIERS (WPM) FRAME CONCRETE BLOCK (NORMALYfn FACE BRICK LOG INTERIOR 00. R.VALUE WOOD FR R-VALUE BLOCK WOOD STEEL INSULATION INSUL 0-6.9 7.0 0-2.9 3.7 6 INCH 8 INCH R-VALUE EXT ADJ 00 ADJ R-VALUE EXT ADJ EXT 7-10.9 2.1 3-6.9 2.6 R-VALUE EXT EXT 0-6.9 6.8 5.3 9A 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 7-10.9 2.5 2.1 4A 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 2.2 11-18.9 1.5 1.1 .8 26& Uo .7 .7 1.4 1.2 19-25.9 .8 .7 I NOTE:SEE SECTION 2.0 OF APPENDIX C FOR MUL TIP'. ::RS I 26&Uo .5 .5 OF ENVELOPE COMPONENTS NOT ON THIS FORM. 6A-12 DOOR WINTER POINT MULTIPLIERS (WPM) 6A.13 CEILING WINTER POINT MULTIPLIERS (WPM) DOOR TYPE EXTERIOR ADJACENT UNDER A mc SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WPM R-VALUE WPM CEILING TYPE WOOD 7.6 5.9 19-21.9 .87 10-10.9 1.02 R-VALUE EXPOSED DROPPED 22-25.9 .78 11-12.9 .96 10-13.9 1.16 1.05 INSULATED 5.1 4.0 26-29.9 .69 13-18.9 .84 14-20.9 .83 .76 30-37.9 .64 19-25.9 .62 21 & Up .54 .50 38 & Uo .55 26-29.9 .50 RBS Credit 0.850 30 & Up .46 IRCC Credit 0.905 6A-14 FLOOR WINTER POINT MULTIPLIERS (WPM) White Roof Credit 1.044 SLAB-ON-GRADE RAISED POST OR PIER STEM WALL w! UNDER EDGE INSULATION CONCRETE CONSmUCTION FLOOR INSULATION ADJACENT R-VALUE WPM R-VALUE WPM R.VALUE WPM WPM WPM 0-2.9 2.5 0-2.9 4.0 0-6.9 2A9 1.8 5.3 3-4.9 -1.7 3-4.9 1.8 7-10.9 0.78 .7 2.1 5-6.9 -2.4 5-6.9 1.1 11-18.9 OA7 .5 1.8 7 & Uo -2.7 7 & Uo .8 19& Uo 0.14 .3 1.0 6A-15 INFIL TRA TlON & INTERNAL GAINS (WPM) 6A-17 DUCT MULTIPLIERS OM) SeeTobIe6-10forCodemlnlmums. Air Infiltration 0.87 DUCT RETURN DUCTS In: Internal Gains .1.15 SUPPLY DUCTS IN: R-Value Unconditioned AttiC! Attlcl Attic/ I COnditione<l Infiltration/Internal Gains -0.28 SD8ce RBS IRCC White roof soace (Combined) 4.2 1.107 1.098 1.100 1.102 1.092 Unconditioned Space 6. 1.0rB 1.072 1.074 1.0ro 1.068 .)6 1.056 1.057 1.058 11.02 6A.16 AIR HANDLER MULTIPLIERS (WPMl__ . )7 1.067 --- --- 1.009 Located in oaraoe 1.00 Attic/Radiant Barrier (RBS) 1.051 no --- 1.045 Located in conditioned area 0.92 1.041 --- no 1. 136 Located on exterior of building 1.09 --- r088 --- 1. 177 Located in attic 1.11 Attic/Interior Radiation 1.0 -- 1.066 --- If Control Coatinas (IRCG) 1.05r --- 1.052 --- 1.120 --- --- 1.110 Attic/White roof 1.0 ~ --- --- T. 11 1. ~ --- no ", '. 1.l 1. 106 rOl0 1. Conditioned Space o:lT 1.l 1. OB 1.007 1. JUO 6A-18 HEATING SYSTEM MULTIPLIERS (HSMl 8.0 1.{ 1. 105 1.006 1.000 SYSTEM TYPE See Tables 6-6 to 6-8 for code minimums HEATING SYSTEM MULTIPLIERS (HSM 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 9A-9.89 Pump Units HSM .53 .50 A9 .46 .43 AI .38 .36 HSPF 9.90-10.39 1 OAO-l 0.89 10.90-11.39 11.40-11.89 11.90-12.39 12.40 & uo 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 AO .37 .34 .32 .30 .29 .27 .26 Electric Strip & Gas 1.0 (for gas credit multipliers, see Table 6A-21) Effective date: March 1,2003