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ADDITIONAL TABLES 6A.18 HEATING CREDIT MULTIPLIERS (HCM) SYSTEM TYPE HEATING CREDIT MUL TlPLlER~1!ig...}______ Attic Radiant Barrier HCM .98 -._-~._- Multizone HCM .95 -- ~------ ---------- - AFUE .68-.72 .73-.77 .78-.82 .83-.87 .88-.92 ,~~!lJJl .__ Natural Gas HCM .61 .56 .53 .50 .47 .44 -- ~--_._-'-" -- LP Gas HCM .77 .72 .67 .63 .60 .57 CLIMATE ZONES 4 5 6 6A-19 COOLING CREDIT MULTIPLIERS CCMl SYSTEM TYPE COOLING CREDIT MUL TlPLlERSICCMT n____...__.,.___ Ceilina Fans 1:86* ) Cross Ventilation ~. *Credit may be taken lor only Whole House Fan .95' one of these system types concurrenlly. Multizone .95 Attic Radiant Barri.or .95 Heat Recovery Unit IEBSlttWCM) lIeat Eump___ _ ~~18.-------------- ----- .3"0:3 --~_.3<5 & Up.. ... ... ..A.O:U___==--5]&~5~=_=.- 42__ 21________.17._ A HWM MUST BE USED IN CONJUNCTION WITH All HWCM. SEE TABLE 6A-9. EF MEANS ENERGY FACTOR. Dedicated Heat Pump Solar I! .1 II .1 I .1 'i ii ;1 .1 It II '! f 6A.21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST {SEE SECTION 606l COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK PRACTICE #1 606.1 COMPLY WITH All INFll TRA TION PRESCRIPTIVES. Windows Maximum of 0.34 CFM oer linear foot of ooerable sash crack Ilncludes slidina alass doors\. Exterior & Adiacenl Doors Maximum of 0.5 CFM oer sa. fl. of door area' solid core. wood nanel insulated or alass doors onlv. Exterior Joints & Cracks To be caulked aasketed weatherstriooed or otherwise sealed. PRACTICE #2 606.1 COMPLY WITH #1 AND THE FOllOWING: Exterior Walls and Floors Too olate oenetrations sealed. Infiltration barrier installed. Sole olate/floor ioint caulked or sealed. Exterior Walls & Ceilinas Penetrations ioints and cracks on interior surface caulked sealed or aasketed. Ductwork Ductwork in unconditioned soace must be sealed. Fireolaces EaUIDDed with outside combustion air doors and flue damoers. Exhaust Fans Eauiooed with damoers. Combustion devices see 606.1.A_2 PRACTICE #3 606.1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: Ceilinas Infiltration barrier installed. Inlerior Walls Ton nenetrations sealed or ioints & cracks on interior walls caulked sealed or aasketed. Recessed Uahls Sealed from conditioned & insulated from ventilated attic soaces. Ductwork All ductwork located in conditioned soace. Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust by-products to outside. Combustion cooking appliances see section 606.1.A.3 ,I Ii I :1 :! 6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded by all residences.) COMPONENTS SECTION REQUIREMENTS CHECK Waler Healers 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) or cutoff (a as} must be orovided. External or built-in heat trap reauired. __ Swimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a oump timer. Gas soa & 0001 heaters must have a minimum thermal effiCiency of 78%. Shower Heads 612.1 Water flow must be restricted to no more than 3 aallons oer minute at 80 PSIG. Air Distribulion System 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, sealed, insulated, and installed in accordance with the criteria of Section 610. Ducts in unconditioned attics must be insulated to a minimum of R-6. Air handlers shall not be installed in attics unless in mechanical closet. HV AC Conlrols 607.1 Seoarate readiIV accessible manual or automatic thermostat for each svstem. Insulation 604.1, 602.1 Ceilinos-Min. R-19. Common walls-Frame R-11 orCBS R-3 both sides. Com man ceilina & flaors R-11. -6-