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ADDITIONAL TABLES CLIMATE ZONES 4 5 6 6A-18 HEATING CREDIT MULTIPLIERS (HCM) SYSTEM TYPE HEATING CREDIT MULTIPLIERS (HCMl Attic Radiant Barrier HCM _98 Multizone HCM .90 AFUE .68-.72 .73-n .78-.82 .83-_87 .88-.92 .93 & Uo Natural Gas HCM .61 .56 .53 .50 .47 .44 LP Gas HCM .77 _72 _67 .63 .60 .57 6A-19 COOLING CREDIT MULTIPLIERS CCM) SYSTEM TYPE COOLING CREDIT MULTIPLIERS (CCM) Ceilina Fans .86' Cross Ventilation .90' 'Credit may be taken for only Whole House Fan _90' one of these system types concurrently. Multizone .95 Attic Radiant Barrier .95 6A-20 HOT WATER CREDIT MULTIPLIERS (HWCMl SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS (HWCMT Heat Recovery Unit With Air Conditioner Heat Pump HWCM .62 .58 Dedicated Heat Pump EF 2.0-2.49 I 2.5-2_99 3.0-3.49 I 3.5 & Up HWCM .44 I .35 _29 I .25 A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM. SEE TABLE 6A-9. EF MEANS ENERGY FACTOR. 6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK PRACTICE #1 606_1 COMPLY WITH All INFilTRATION PRESCRIPTIVES. Windows 606.1 Maximum of 0.34 CFM per linear foot of operable sash crack (includes slidina alass doors). Exterior & Adiacent Doors 606.1 Maximum of 0.5 CFM per sa_ ft. of door area; solid core, wood panel, insulated or alass doors onlv. Exterior Joints & Cracks 606.1 To be caulked, aasketed, weatherstripped or otherwise sealed. PRACTICE #2 6062 COMPLY WITH #1 AND THE FOllOWING: Exterior Walls and Floors Top plate penetrations sealed_ Infiltration barrier installed. Sole plate/floor ioint caulked or sealed. Exterior Walls & CeilinQs Penetrations, ioints and cracks on interior surface caulked, sealed or aasketed_ Ductwork Ductwork in unconditioned space must be sealed. Fireolaces Eauipped with outside combustion air, doors, and flue dampers. Exhaust Fans Eauipped with dampers_ Combustion devices see 606.1.A.2 Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust to outside. Cookina appliances shall be dampered and use intermittent ianition_ PRACTICE #3 606.2 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: CeilinQs Infiltration barrier installed. Interior Walls Top penetrations sealed or ioints & cracks on interior walls caulked, sealed or aasketed. Recessed Liahts Sealed from conditioned & insulated from ventilated attic spaces. Ductwork All ductwork located in conditioned space. 6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded by all residences.l COMPONENTS SECTION REQUIREMENTS CHECK Water Heaters 612.1 Comply with efficiency requirements in Table 6-12. Switch or clearly marked circuit breaker (electric) or cutoff (aas) must be provided. External or built-in heat tran renuired. Swimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a pump timer. Gas spa & pool heaters must have a minimum thermal efficiency of 78%_ Shower Heads 612_1 Water flow must be restricted to no more than 3 aallons per minute at 80 PSIG. HV AC Duct Construction 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, Insulation & Installation sealed, insulated, and installed in accordance with the criteria of Section 904.6. Duct in unconditioned space and air handlers located in attics must be insulated to a minimum of R-6. Air handlers shall not be installed in attics unless in mechanical closet HV AC Controls 607_1 Separate readilv accessible manual or automatic thermostat for each svstem. Insulation 604.1 , 602.1 Ceilinas-Min_ R-19_ Common walls-Frame R-11 or CBS R-3 both sides. Common ceilina & floors R-11. -6-