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ADDITIONAL TABLES CUMATE ZONES 4 5 6 6A-18 HEATING CREDIT MULTIPLIERS (HCM) SYSTEM TYPE __no__.___.____._..___~ -_._----- __HEATI~G CJ:I~~IT _MULTIPU~~~{H_C!4L____ -------------------------- HcM- Attic Radiant Barrier .98 Multizone HCM .90 Natural Gas AFUE ,68- .72 .73-.n .78-.82 .83-.87 .88-.92 .93 & UD HCM .61 .56 .53 .50 .47 .44 lP Gas HeM .n .72 .67 .63 .60 .57 6A-19 COOUNG CREDIT MULTIPUERS CCM SYSTEM TYPE COOUNG CREDIT MUL TIPUERS (CCM) Ceilin Fans .86' Cr~l{e~~!ip_n .90' ~ole Hous~uE~n .90' Multizone .95 'Credit may be taken for only one of these system types concurrently. 6A-20 HOT WATER CREDIT MULTIPLIERS IHWCM) SYSTEM TYPE --~- ______ .. __uHOI\!!~R ~~MULT!!'_IJERS (HWCM) _____ ------- ,-'- 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 & UD HWCM .44 I .35 .29 I .25 A HWM MUST BE USED IN CONJUNCTION WITH All HWCM, SEE TABLE SA.9. EF MEANS ENERGY FACTOR. 6A-2l INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKUST 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 lincludes sliding glass doors). Exterior & Adjacent Doors 606.1 Maximum of 0.5 CFM per sa. ft. of door area' solid core, wood panel, insulated or glass doors onlv. Exterior Joints & Cracks 606.1 To be caulked, gasketed, weatherstripped or otherwise sealed. PRACTICE #2 606.2 COMPLY WITH #1 AND THE FOllOWING: Exterior Walls and Floors Top plate penetrations sealed. Infiltration barrier installed. Sole plate/floor joint caulked or sealed. Exterior Walls & CeilinQs Penetrations, joints and cracks on interior surface caulked, sealed or aasketed. Ductwork Ductwork in unconditioned space must be sealed. Fireplaces 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: Ceilinas Infiltration barrier installed. Interior Walls Top penetrations sealed or ioints & cracks on interior walls caulked, sealed or aasketed. Recessed Lights 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 bv all residences.) 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 loas) must be orovided. External or built-in heat trao reauired. Swimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a pump 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 gallons oer 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-G. Air handlers shall not be installed in attics unless in mechanical closet. HV AC Controls 607.1 Seoarate readily accessible manual or automatic thermostat for each system. Insulation 604.1 602.1 Ceilinas-Min. R-19. Common walls-Frame R-ll or CBS R-3 both sides. Common ceilina & floors R-ll. .6-