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<br />ADDITIONAL TABLES <br /> <br />CLI",ATE ZONES' 4 5 6 <br /> <br />6A-18 HEATING CREDIT MULTIPLIERS (HCM) <br />SYSTEM TYPE HEATING CREDIT MULTIPLlERS1HCMT <br />Attic Radiant Barrier HCM .98 <br />Multizone HCM .95 <br />Natural Gas AFUE .68-.72 .73-.77 .78'.82 .83-.87 .88-.92 .93 & Uo <br /> HCM .61 .56 .53 .50 .47 .44 <br />LP Gas HCM .77 .72 .67 .63 .60 .57 <br /> <br />6A-19 COOLING CREDIT MULTIPLIERS CCMl <br />SYSTEM TYPE COOLING CREDIT MULTIPLIERS (CCM) <br />Ceilina Fans .86* <br />Cross Ventilation .95* *Credit may be taken for only <br />Whole House Fan .95* <br />Multizone .95 one of these system types concurrently. <br />Attic Radiant Barrier .95 <br /> <br /> <br />Heat Recovery Unit <br /> <br /> <br /> <br />Dedicated Heat Pump <br /> <br />Solar <br /> <br />A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM. SEE TABLE 6A-9. EF MEANS ENERGY FACTOR. <br /> <br />6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST ISEE SECTION 6061 <br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK <br />PRACTICE #1 606.1 COMPLY WITH All INFilTRATION PRESCRIPTIVES. <br />Windows Maximum of 0.34 CFM oer linear foot of ooerable sash crack /includes slidina alass doorsl. <br />Exterior & Adiacent Doors Maximum of 0.5 CFM oer sa. ft. of door area: solid core, wood panel insulated or alass doors onlv. <br />Exterior Joints & Cracks To be caulked aasketed weatherstriooed or otherwise sealed. <br />PRACTICE #2 606.1 COMPLY WITH #1 AND THE FOllOWING: <br />Exterior Walls and Floors Too olate oenetrations sealed. Infiltration barrier installed. Sole olate/floor ioint caulked or sealed. <br />Exterior Walls & Ceilinas Penetrations ioints and cracks on interior surface caulked sealed or aasketed. <br />Ductwork Ductwork in unconditioned soace must be sealed. <br />Fireolaces Eauiooed with outside combustion air doors. and flue damoers. <br />Exhaust Fans Eauiooed with damoers. Combustion devices see 606.1.A.2 <br />PRACTICE #3 606.1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: <br />Ceilinas Infiltration barrier installed. <br />Interior Walls Too oenetrations sealed or ioints & cracks on interior walls caulked sealed or aasketed. <br />Recessed Liahts Sealed from conditioned & insulated from ventilated attic soaces. <br />Ductwork All ductwork located in conditioned soace. <br />Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust <br /> by-products to outside. Combustion cooking appliances see section 606.1.A.3 <br /> <br />6A.22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded by all residences.) <br />COMPONENTS SECTION REQUIREMENTS CHECK <br />Water Heaters 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) <br /> or cutoff lcasl must be orovided. External or built-in heat trao reauired. <br />Swimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have <br /> a oumo timer. Gas soa & 0001 heaters must have a minimum thermal efficiencv of 78%. <br />Shower Heads 612.1 Water flow must be restricted to no more than 3 aallons oer minute at 80 PSIG. <br />Air Distribution System 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, <br /> sealed, insulated, and installed in accordance with the criteria of Section 610. Ducts in unconditioned <br /> attics must be insulated to a minimum of R-6. Air handlers shall not be installed in attics unless in <br /> mechanical closet. <br />HVAC Controls 607.1 Seoarate readilv accessible manual or automatic thermostat for each svstem. <br />Insulation 604.1, 602.1 Ceilinas-Min. R-19. Common walls-Frame R-11 orCBS R-3 both sides. Common ceilina & floors R-11. <br /> <br />-6- <br />