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<br />ADDITIONAL TABLES <br /> <br />CLIMATE ZONES 4'~. 6 <br /> <br />6A-18 HEATING CREDIT MULTIPLIERS (HCM) <br />SYSTEM TYPE HEATING CREDIT MULTIPLIERS (HCM) <br />Attic Radiant Barrier HCM .98 <br />Multizone HCM .90 <br />Natural Gas AFUE .68-,72 .73-.77 .78- .82 .83-.87 .88-.92 .93 & Up <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 CCM) <br />SYSTEM TYPE COOLING CREDIT MULTIPLIERS (CCMI <br />CeilinQ Fans .86' <br />Cross Ventilation .90' 'Credit may be taken for only <br />Whole House Fan ,90' one of these system types concurrently. <br />Multizone .95 <br />Attic Radiant Barrier .95 <br /> <br />6A-20 HOT WATER CREDIT MULTIPLIERS (HWCM! <br />SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS (HWCMI <br />Heat Recovery Unit With Air Conditioner Heat Pump <br />HWCM .62 ,58 <br />Dedicated Heat Pump EF 2.0-2.49 I 2.5-2.99 3.0-3.49 I 3,5 & Up <br />HWCM .44 I ,35 ,29 I .25 <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 <br /> <br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK <br />PRACTICE #1 606.1 COMPLY WITH ALL INFILTRATION PRESCRIPTIVES. <br />Windows 606.1 Maximum of 0.34 CFM per linear foot of operable sash crack (includes slidina alass doors!. <br />Exterior & Adiacent Doors 606,1 Maximum of 0.5 CFM per sa. ft. of door area; solid core, wood panel, insulated or Qlass doors only. <br />Exterior Joints & Cracks 606.1 To be caulked, Qasketed, weatherstriooed or otherwise sealed. <br />PRACTICE #2 606.2 COMPLY WITH #1 AND THE FOLLOWING: <br />Exterior Walls and Floors Top plate penetrations sealed. Infiltration barrier installed. Sole plate/floor ioint caulked or sealed. <br />Exterior Walls & CeilinQs Penetrations, joints and cracks on interior surface caulked, sealed or aasketed, <br />Ductwork Ductwork in unconditioned space must be sealed. <br />Fireplaces Eauipped with outside combustion air, doors, and flue dampers. <br />Exhaust Fans Eauiooed with damoers. Combustion devices see 606.1 .A,2 <br />Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust to outside. <br /> Cookina appliances shall be dampered and use intermittent ianition, <br />PRACTICE #3 606,2 COMPLY WITH PRACTICES #1 AND #2 AND THE FOLLOWING: <br />CeilinQs Infiltration barrier installed. <br />Interior Walls Top penetrations 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 space. <br /> <br />6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded bv all residences.! <br />COMPONENTS SECTION REQUIREMENTS CHECK <br />Water Heaters 612.1 Comply with efficiency requirements in Table 6-12. Switch or clearly marked circuit breaker (electric) <br /> or cutoff laas! 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 pump timer. Gas spa & pool heaters must have a minimum thermal efficiency of 78%. <br />Shower Heads 612.1 Water flow must be restricted to no more than 3 aallons oer minute at 80 PSIG. <br />HV AC Duct Construction 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, <br />Insulation & Installation sealed, insulated, and installed in accordance with the criteria of Section 904.6. Duct in unconditioned <br /> space and air handlers located in attics must be insulated to a minimum of R-6. Air handlers shall not <br /> be installed in attics unless in mechanical closet. <br />HV AC Controls 607.1 Separate readilv accessible manual or automatic thermostat for each system, <br />I nsu lation 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 />