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<br />StJMMER POINT MULTIPLIERS (SPM)
<br />
<br />CLIMATE ZONES 4 5 6
<br />
<br />6A.1 SUMMER OVERHANG FACTORS (SOF) FOR SINGLE ANlXJOUBLE PANE GLASS. --
<br />>-r OH RATIO .00-,11 ,12'.17 ,18-,26 ,27-,35 .36..46 .47,,57 ,58,,70 .71-,83 .84-1,18 1.19.1,72 1.73-2.73 2.74+
<br />N 1.00 .94 ,91 ,87 ,83 .79 .76 ,72 ,69 .63 .56 ,50
<br />all NE/NW 1.00 ,94 .91 .85 ,79 ,72 ,68 .63 .58 ,50 .40 .36
<br />I-a: EfIN 1.00 ,95 ,92 ,85 ,78 ,70 ,64 .58 .52 .42 ,33 ,26
<br />~o
<br />~I I-SE/SW 1.00 .93 .90 .81 .72 ,62 .55 .49 .42 ,33 .27 ,22
<br />cJ3_ _~_ L-- 1.00 .91 ,87 ,77 ,67 .57 ,50 .45 .39 .32 ,28 .25
<br />~ OH LENGTH' 011 111 1'1,11 211 311 3'1,11 .i'J, fl 1)'/, fl 1'-'/,11 Q'/, II UII ?o It...
<br />- 'To select bv Ovemana Lenath no nart of nlass shall be more thai I 8 ft. below the overhano.
<br />
<br />6A-2 WALL SUMMER POINT MULTIPLIERS ISPMI
<br /> FRAME CONCRETE BLOCK' FACE BRICK LOG
<br /> INT. INSULATION XT. INSUL R-V ALUE WOOD FR
<br /> WOOD STEEL NORMAL WT. NOR, WT. 0.6.9 2.9 6 INCH
<br />I-~ EXT ADJ R-VALUE EXT ADJ EXT 7-10.9 ,6 R-VALUE EXT
<br />R.VALUE EXT ADJ
<br />0-6.9 6.4 2,2 8.9 2.9 0-2.9 2,5 .9 2,5 11-18.9 .4 0-2,9 1.7
<br />7-10.9 2.3 ,8 4.1 1.3 3-4,9 1.4 .7 ,7 19-25.9 ,2 3.6,9 1.1
<br />k1.12,9 1.9 .7 3,0 1.0 5.6.9 1,0 .6 ,3 26 & Uo .1 7 & Uo .8
<br />13-18,9 1,7 ,6 2,8 0.9 7.10,9 .8 .4 ,1 R-VALUE BLOCK 8 INCH
<br />19-25,9 1,0 .3 2.4 0,8 11-18.9 .4 ,3 0 0.2.9 1.0 R-V ALUE EXT
<br />_~6.~ Uo .6 .2 1,3 0.4 19.25,9 ,2 ,2 3.6,9 .6 0.2,9 1.0
<br /> 26 & UD ,1 ,1 7-9,9 .4 3.6.9 ,8
<br /> 1n!l. lJn ? 7 !I. lJn ..fi-
<br />
<br />6A.3 DOOR SUMMER POINT MULTIPLIERS 6A-4 CEILING SUMMER POINT MULTIPLIERS (SPMI
<br />DOOR TYPE EXTERIOR ADJACENT UNDER ATTIC SINGLE ASSEMBLY CONCRETE DECK ROOFING
<br /> R-V ALUE SPM R-VALUE SPM CEILING TYPE
<br />WOOD 7,2 2.4 19-219 1.1 10,10.9 3.0 R.VALUE DROPPED EXPOSED
<br /> v1'2.25,9 ,9 11-12,9 2.7 10-13.9 3,0 3.3
<br />INSULATED 4.8 Y 26.29.9 ,7 13-18,9 2.4 14-20.9 2,0 2.1
<br />...... 30-37,9 ,6 19,25.9 1,8 21 & Uo 1.4 1.3
<br /> 38 & UD .4 26-29.9 1.1
<br /> 10 !I. lJn no
<br />6A.5 FLOOR SUMMER POINT MULTIPLIERS ISPMI
<br />SLAB.ON.GRADE RAISED ~. RAISED WOOD2
<br />EDGE INSULATION CONCRETE POST OR PIER STEM WALL wI UNDER ADJACENT
<br />~-- CONSTRUCTION FLOOR INSULATION
<br />R-VALUE SPM R.VALUE SPM R-VALUE SPM SPM SPM
<br />0,2,9 ,31.9 0,2.9 .1.0 0.6,9 0.9 N/A 5.3
<br />3,4.9 -31,8 3-4,9 .1.7 7-10.9 -1,1 .2.8 2,1
<br />5,6.9 -31,7 5-6,9 -1.7 11.18,9 ,1.0 .2.2 1,8
<br />711. tIn -11 h 711. tin .17 HI!l.lln =o~~ :1R 1 n
<br />
<br />SPM)
<br />
<br />
<br />6A.7 DUCT MULTIPLIERS OM
<br />
<br />SUPPLY DUCTS IN
<br />ONDITIONED SPACE'
<br />
<br />R.VALUE
<br />4.2,5.9
<br />60-6,6
<br />67&U
<br />4.2-5,9
<br />60-6.6
<br />.7
<br />
<br />RETURN DUCTS
<br />IN UNCONDITIONED SPACE
<br />1,14
<br />1,10
<br />1.09
<br />1.10
<br />1,07
<br />
<br />RETURN DUCTS
<br />IN CONDITIONED SPACE
<br />1.10
<br />1,07
<br />1,06
<br />1.00
<br />1.00
<br />
<br />
<br />13.8
<br />10,9
<br />
<br />SUPPLY DUCTS IN
<br />UNCONDITIONED SPACE
<br />
<br />6A-8 COOLING SYSTEM MULTIPLIERS CSM
<br />SYSTEMTYPI: _~~~ ______.~_______~_~___~_CQQ.~~CLSYSTEM MI,H.TIPLlERS CSM _ .._
<br />
<br />Central Units (SEER) 1 Ratin..9._..~ .. . -.-----. "f-3-'-5'7.9...j..~,Q-Hf<.5~-~i~~:~.4 ,~.5:9'9 T.. 10,0-10.4 10.5.10.9 11,0.11.4 11,5.11 :~. 12.0=12:4
<br />___ C8M . . __ .. .45 .. .43 ,40 .. ,38.. ,36 . .. ,34 .32 ,31 .30 . -.'28--
<br />PTAC & Room Units (EER)- ..B9tin..g-~-- 12.5~.i2:9 13jJ~1j.4 1~jj=13~. _. _14..0-.-1..4X14.5-:-149. .~.15. .0.,15.4. -15.5-1.5..~_ 16,O-16.4._1M.:J..~..9... .17. ,.9.:.17..4. J1..5.&-..U. p
<br />.<.:~ ,27 ,26 ,25 _ .24 ,24 _ .23 ,?2 _ ,21.. ~__.1.L__~ ___ .19
<br />MINIMUMS: CENTRAL UNITS-AIR COOLED SPLIT SYSTEM 100 SEER, SINGLE PKG. 9.7 SEER GROUND WATER COOLED 11.0 EER PTAC-SEE TABLE 6-3. - - .
<br />
<br />
<br />6A-9 HOT WATER MULTIPLIERS HWM
<br />SYSIE:~'LIYPJL
<br />
<br />
<br />Electric Resistance
<br />
<br />~. 0 -.M. -.--.....-..-..-j-- .-.-. - ..--
<br />EF .43-.47
<br />HWM 3098
<br />HWM 4195
<br />.J;f. . _ . _._._ ______
<br />
<br />.~~7~9 ~-:~~t}
<br />3758 j 3608
<br />_____LQ-H __
<br />
<br />____HQIWATER MlJ1.TIP.L.IER~WM ----,----T-
<br />-.~~.~~1.~1......~t~3T-:~.;8~51-.~..6.~~~7.. ~~~o~O._ ';~7~3 _ :~tto61'!~4~~P
<br />_,52-53 I ,54-.5~ . .56,.57 i .58-.59__ _,60..:,6L Ji~:,q3.: _ ,q.4-.~5 66 & Up
<br />
<br />;~~~ I ;~~~ ;~~~ I ;~~6 ;~~~ ;~~~ I ;~~~ I ;~;~
<br />~___ ~,Q:2,~__ __ 3.()-3.i.._ ___.1Jl:~__
<br />
<br />
<br />Natural Gas
<br />
<br />Lp Gas
<br />Solar
<br />
<br />'fOR MULTIPLIERS FOR OTHER U'PES OF CONCRETE BLOCK CONSTRUCTION SEE SECTION 2.1 OF APPENDIX C. 2 MULTIPLIERS FOR OTHER TYPES OF RAISED WOOD ASSEMBLIES SEE
<br />SECTION 31 OF APPENDIX C 3 DUCTS IN CONDITIONED SPACE NEED TO BE INSULATED ONLY TO THE R-VALUE NECESSARY TO PREVENT CONDENSATION.
<br />
<br />-3-
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