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. , ). , : .' . WINTER POINT MULTIPLIERS (WPM) 6A.l0 WINTER OVERHANG FACTORS (WOF) CLIMATE ZONES 4 5 6 ~r t; 1 wa: 4 1 1 1. ;:;:jo Southwest 1.00 1.002 1.013 1.038 1.071 1.118 1.168 1.225 1.278 1.388 ~l West 1.00 0.999 1.003 1.013 1.025 1.040 1.053 1.067 1.077 1.095 Northwest 1.00 0.999 0.998 0.997 0.997 0.996 0.995 0.994 0.993 0.992 OH Len th 0.0' 1.0' 1.5' 2.0' 3.0' 3.5' 4.5' 5.5' 6.5' 9.5' 6A.l1 WALL WINTER POINT MULTIPLIERS (WPM\ FRAME CONCRETE BLOCK (NORMALYfn FACE BRICK LOG INTERIOR EXT. R-VALUE WOODFR R-VALUE BLOCK WOOD STEEL INSULATION INSUL 0-6.9 7.0 0-2.9 3.7 6 INCH BINCH R-VALUE EXT ADJ EXT 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 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 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 1.2 19-25.9 .8 .7 I NOTE:SEESECTION2.00FAPPENDIXCFORMULTlP',: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 ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF R.VALUE WPM R-YALUE 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 40 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 nAJ;)J:L IY\JUU EDGE INSULATION CONCRETE POST OR PIER STEM WALL w/ UNDER ADJACENT CONSTRUCTION FLOOR INSULATION R.VALUE WPM R.YALUE WPM R-VALUE WPM WPM WPM 0-2.9 2.5 0-2.9 4.0 0-6.9 2.49 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 0.47 .5 1.8 7& Uo -2.7 7 & Uo .8 19& Up 0.14 .3 1.0 6A-15 INFIL TRA TION & INTERNAL GAINS (WPM) 6A-17 DUCT MULTIPLIERS DM) See Table 6-10 lor Code minimums. Air Infiltration 0.87 DUCT RETURN DUCTS In: Internal Gains -1.15 SUPPLY DUCTS IN: R-Value UnconditIoned Alllc/ Alllc/ Alllc/ ConditIoned Infiltration/Internal Gains -0.28 SDace RBS IRCC White roof SDace (Combined) 4.2 1.107 1.098 1.100 1.102 1.092 Unconditioned Space 6.0 1W8 1.072 1.074 1.075 1.01 tl 8.0 1.061 1.U06 1.057 1.058 H 6A-16 AIR HANDLER MULTIPLIERS (WPM) 4.2 1.076 1.Uol --- - 1. Located in qaraqe 1.00 AttidRadiant Barrier (RBS) 5.0 1.058 1.051 no --- Located in conditioned area 0.92 l.O 1.046 1.041 --- Located on exterior of building 1.09 12 '.U~I --- 1.Ulltl --- Located in attic 1.11 Attic/Interior Radiation i.O W3 --- 1.066 --- . }':)I Control Coatings (/RCC) 8.0 .057 --- 1.052 --- .04 4.2 .120 --- .~ AttielWhite roof 6.0 1.088 --- --- 1.0 8.0 1.068 --- no 1.0 4.2 1.009 1.UUtl LUlU 1.U Conditioned Space 6.0 1.007 1.UUO 1.UUI 1. 1.0 6MB HEATING SYSTEM MULTIPLIERS (HSM\ 8.0 1.005 1.005 1.UUO 1. U':) 1.0 SYSTEM TYPE See Tables 6-6 to 6-8 for code minimums HEATING SYSTEM MULTIPLIERS (HSMI 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 & 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 .40 .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