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. \ . WINTER POINT MULTIPLIERS (WPM) 6A-10 WlNTFJI OVERHANG FACTORS (WOF) CUMA TE ZONES 4 5 6 ...... > a:I t- o wa:: ulo Southwest 1.00 1.002 1.013 ~l West 1.00 0.999 1.003 Northwest 1.00 0.999 0.998 OH Len h 0.0' 1.0' 1.5' 6A-11 WALL WINTER POINT MUL TIPUERS (WPM) FRAME CONCRETE BLOCK (NORMAL wn FACE BRICK LOG INTERIOR EXT. 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 EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 2.1 3-6.9 2.6 R-VALUE EXT EXT Q-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 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:SEESECTION2.00FAPPENDIXCFOAMULTIPI..~RS I 26& Up .5 .5 OF ENVELOPE COMPONENTS NOT ON THIS FORM. 6A-12 DOOR WINTER POINT MUL TIPUERS (WPM) 6A-13 CElUNG WINTER POINT MUL TIPUERS (WPM) DOOR TYPE EXTERIOR ADJACENT UNDER ArnC SINGLE ASSEMBLY CONCRETE DECK ROOF R-VALUE WPM R-VALUE WPM CElUNG 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 "......"u nvvu EDGE INSULATION CONCRETE lie\ POST OR PIER STEM WAll wi UNDER ADJACENT CONSTRUCTION FLOOR INSULATION R-VALUE WPM R-VALUE WPM it R-VALUE WPM WPM WPM 0.2.9 2.5 0-2.9 4.0 li 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 i 19&Uo 0.14 .3 1.0 6A-15 INFlL TRA TION & INTERNAL GAINS (WPM) 6A.17 DUCT MULTIPLIERS OM) See Table 6-10 for Code minimums. Air Infiltration 0.87 DUCT RETURN DUCTS In: Internal Gains -1.15 SUPPLY DUCTS IN: R-Value UnconOltloned Attic! AttiC! Attic! COnditIoned Infiltration/Internal Gains .0.28 soace RBS IRCC White roof space (Combined) 4.2 1.107 1.098 1.100 1.102 1.092 Unconditioned Space 6.0 1.078 1.072 1.074 1.07S" 1.0 Olj AIR HANDLER MUL TIPUERS (WPM) 8.J 1.061 1. 1.057 1.058 H 02 6A-16 4. 1.076 1. ..- --. 1.0: 59 Located in oaraoe 1.00 AtticiRadiant Barrier (RBS) 6.0 1.' 108 1. 1 ... ... 1. lib Located in conditioned area 0.92 8. 1. 146 1. 1 .-. m 1. ~6 Located on exterior of bUilding 1.09 4. 1. 97 ... 1.088 ... . /7 Located in attic 1.11 Attic/Interior Radiation LO . 73 ... 1.066 --. .)57 Control Coatings (IRCG) . 57 -. 1.052 ... . 20- ... . 10 Attic/White roof l. .U~ m ... .J81 1. l. .ut) _.. ... .>3 1. !.UV 1.U08 1.010 . )9 1. Conditioned Space 6.0 1.00 1.006 1.007 1.0( Jf 1. 0 6A-18 HEATING SYSTEM MUL TIPUERS (HSM) 8.0 1.00: 1.005 1.000 1.0( 15 1. SYSTEM TYPE See Tables 6-610 6.8 for code minimums HEATING SYSTEM MULTIPUERS lHSM Central Heat HSPF 6.40-6.79 6.8Q-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 & Gas 1.0 (lor gas credit multipliers, see Table 6A.21) Effective date: March 1, 2003