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<br />. WINTER POINT MULTIPLIERS (WPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A-l0 WINTER OYERHANG FACTORS (WOFl
<br /> .. OH RATIO I .00-,11 ,12-,17 .18-.26 ,27-,35 ,36-,46 I ,47-,57 ,58-,70 I .71-.83 ,84-1.18 11.19-1,72 1.73-2.73 I 2.74+
<br /> SINGLE PANE GLASS
<br /> N 1.00 (1,03T 1.05 1,08 1.10 1.13 1.15 1.18 1.20 1.24 1.29 1.34
<br /> NE/NW 1.00 l1i7 1,10 1,15 1.20 1,25 1.30 1.35 1.39 1,50 1.59 1.67
<br /> EIW (1.00) ,71 ,57 ,19 -.20 -,65 -1.05 -1.48 -2,03 -3,01 -4.06 -5,04
<br />>- SElSW 1.00 ,93 ,90 ,80 ,68 .54 ,39 ,22 ,05- -,33 -.71 -1.01
<br />m
<br />I-a: S 1.00 ,95 ,92 ,83 ,70 ,54 .36 .13 (-,13) -.70 -,98 -1.09
<br />frlo DOUBLE PANE GLASS
<br />~l N 1.00 1.05 1,07 1,11 1,14 1.18 1.21 1,24 1.28 1.34 1,40 1,47
<br />NE/NW 1.00 1.11 1.16 1.24 1.32 1,41 1,48 1.56 1.63 1.80 1.94 2.08
<br />EIW 1.00 ,88 .82 ,66 ,50 ,31 ,15 -,03 -.26 -,66 -1.10 -1.50
<br />SElSW 1.00 ,95 ,92 .85 .76 ,65 ,54 ,41 ,28 -.01 -.30 -,52__
<br />S 1.00 ,96 ,94 ,87 ,78 ,65 .51 ,33 .13 -,30 -,51 -.60
<br />OH LENGTH' Oft 1ft, lY2ft, 2ft, 3ft, 3%ft, 4%ft, 5%ft, 6% ft. 9\l,ft, 14ft 2011.+
<br /> 'TO SELECT BY OVERHANG LENGTH, NO PART OF GLASS SHALL BE MORE THAN 8 FT, BELOW THE OVERHANG,
<br />
<br />6A-ll WALL WINTER POINT MULTIPLIERS (wPMl
<br /> FRAME !o;ii\ CONCRETE BLOCKI .;..' _ FACE BRICK LOG
<br /> INT. INSULATION FXT. INSUL R.YALUE WOOD FR
<br /> WOOD STEEL ~~ NORMAL WT. NOR. WT. mY 0-6,9 7,0 6 INCH
<br />R.Y ALUE EXT ADJ EXT ADJ R-Y ALUE EXT ADJ EXT )'. 7-10,9 2,1 RNALUE 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 0-2.9 2,2'
<br />7-10,9 2,5 2. 4,4 3,3 3-4.9 3.8 2,3 2.8 ...J]:25.9 1.0 3.6.9 1.2
<br />11-12,9 2,0 (1. ) 3,3 2,6 5-6,9 2q 1,9 2,0 26 & Un .6 nUD .9
<br />13-18,9 1.R T 3,0 2,4 7-10.9 1"2.3 ) 1,5 1.5 RN ALUE BLOCK 8 INCH
<br />lq-25,q (1.1) ( 1. ) 2,6 2,2 11-18.9 J:;' 1.1 .8 0-2,9 3.7 R-YALUE EXT
<br />26& UD ,7 .7 1,4 1.2 19.25,9 ,8 .7 'oJ 3-6,9 2.6 0-2,9 1.2
<br /> 26 & UD ,5 .5 7-9,9 1.8 3-6.9 ,9
<br /> 1n.t Iln 11- ". 7R.li;';- 7
<br />
<br />6A.12 DOOR WINTER POINT MULTIPLIERS WPM)
<br />DOOR TYPE EXTERIOR ADJACENT
<br />
<br /> 6M3 CEILING WINTER POINT MULTIPLIERS fWPMI
<br /> UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOF
<br /> R,yALUE -Willi R.V ALUE WPM CEILING TYPe
<br /> 19-21.9 71.0 ) 10-10.9 1.8 R-VALUE DROPPED EXPOSED
<br /> 22-25,9 ,9 11-12.9 1,6 10-13.9 1,2 1.3
<br /> 26-29.9 .7 13-18,9 1,5 14.20.9 ,7 .7,_
<br /> 30-37.9 ,6 19-25,9 1,1 21 & Un .4 ,3
<br /> 38 & UD .4 26-29,9 ,6
<br /> 'In .t fin A
<br />6A-14 FLOOR WINTER POINT MULTIPLIERS IWPMI
<br />SLAB-ON-GRADE ...... RAISED RAISED WOOD2
<br />EDGE INSULATION CONCRETE POST OR PIER STElA WALL '11/ UN DEB ADJACENT
<br /> .> CONSTRUCTION FLOOR INSULATION ...
<br />R.Y AlUE WE!M .J R-VALUE WPM R-YALUE WPM WPM ~~
<br />0-2,9 T 2.5)' > 0-2.9 4.0 0,6,9 7.9 1.8 5_:"1_
<br />3-4.9 -1.7 " 3-4,9 1,8 7-10.9 2,1 ,7 2.1
<br />5-6.9 -2,4 1\ 5-6,9 1.1 11-18.9 1.5 ,5 1.8
<br />7.t tin _?7 ... "7i Iln R HlRoIJn Q <I 1 ()
<br />
<br />WOOD
<br />
<br />7,6
<br />
<br />5,9
<br />
<br />INSULATED
<br />
<br />6A-15 INFILTRATION WINTER POINT MULTIPLIERS (WPM)
<br />INFILTRATION PRACTICE WPM
<br />SEE TABLE 6A-21
<br />PRACTICE #1
<br />PRACTICE #2
<br />
<br />6A-16 DUCT MULTIPLIERS DM
<br />
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />
<br />Rt:TURN DUCTS
<br />IN UNCONDITIONED SPACE
<br />1Jb
<br />(1.1
<br />1.09
<br />_._11.9
<br />1.07
<br />
<br />6A.17 HEATING SYSTEM MULTIPLIERS HSM
<br />
<br />~::~J'L '~lli'F ~"O_~i9.::j: 6:,\~~GtS=~~7~~~~!~=it~{~~~f=T~Q:ll~~g Ul:~~-::jQ~~~"~=-I=~:~:~'3g-==r~=jj]&~-l'.'.
<br />Pump Untts _!:ISM _ _,~~___ j~__,-:;Q, _ _ ,_~4~__ ___A(3,___ __ ~1;l_____ ,_~11_,___ ____'~L__ __,_J?__
<br />
<br />~p !fi ~ ~~~"6:=E~~t~~ _1;~~~~= ~~!~~-l~~;::;_ ~~fi; -~jQ~~~~J~i~
<br />
<br />
<br />Electric Stri ---,--------_______1.12._____,____,___________,_________________
<br />
<br />Gas_& LP Gas ,--------______L9J~t)~I.illJ!e_M-J!HQr.Qre(Ii)1\'1~!iii2lik[)_____'____________ ________
<br />MINIMUMS: CENTRAL UNITS-AIR SOURCE SPLIT SYSTEM 6,8 HSPF, SINGLE PKG, 6.6 Hspr, WATER SOURCE 3.8 COP, GROUi.J WATER SOURCE 3 4 COP. PTHP SEE TABLES 6,6 TO 6,8.
<br />
<br />1 FOR MULTIPLIERS FOR OTHER TYPES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2.1 OF APPENDIX C, 2 MULTIPLIERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE
<br />SECTION 3.1 OF APPENDIX C, 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R-YALUE NECESSARY TO PREVENT CONDENSATION.
<br />
<br />-5-
<br />
<br />"
<br />
<br />r[rUn~1 DUel'S
<br />iN cONDmor.J.gQ SPACE__
<br />.1,10
<br />1.07
<br />- ----,--
<br />__1,Q()
<br />1.00
<br />1,00
<br />1.[1;1
<br />
<br />SUPPLY DUCTS IN
<br />CONDITiONED SPACE'
<br />
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