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<br />ADDITIONAL TABLES
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<br />CLIMATE ZONE~ 4 5 6
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<br />~A.18 HEATING CREDIT MULTIPLIERS (HCM) \'.
<br /> SYSTEM TYPE HEATING CREDIT MULTIPLlEflS (HCMf
<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 & Uo
<br /> HCM ,61 ,56 ,53 ,.... :50 .47 .44
<br />LP Gas HCM ,77 .72 ,67 .63 ,60 .;57
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<br />6A-19 COOLING CREDIT MULTIPLIERS CCMI
<br />SYSTEM TYPE COOLING CREDIT MULTIPLIERS (CCM)
<br />Ceilino Fans ,86'
<br />Cross Ventilation ,90' 'Credit may be taken for only
<br />Whole House Fan ,90'
<br />Multizone ,95 one of these system types concu rrently.
<br />Attic Radiant Barrier .95
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<br />6A.20 HOT WATER CREDIT MULTIPLIERS (HWCM)
<br />SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS (HWCM)
<br />Heat Recovery Unit With Air Conditioner Heat Pumo
<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 & Uo
<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.
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<br />6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST
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<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 slidino olass doors!.
<br />Exterior & Adiacent Doors 606,1 Maximum of 0.5 CFM per sq. ft. of door area; solid core, wood panel, insulated or olass doors onlv.
<br />Exterior Joints & Cracks 606,1 To be caulked, qasketed, weatherstripped 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 & Ceilinos Penetrations, ioints and cracks on interior surface caulked, sealed or gasketed,
<br />Ductwork Ductwork in unconditioned space must be sealed.
<br />Fireolaces Equipped with outside combustion air, doors, and flue dampers.
<br />Exhaust Fans Equipped with dampers. 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 /> Cookino appliances shall be dampered and use intermittent ionition,
<br />PRACTICE #3 606,2 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING:
<br />Ceilinas Infiltration barrier installed.
<br />Interior Walls Top penetrations sealed or ioints & cracks on interior walls caulked, sealed or oasketed,
<br />Recessed Liahts Sealed from conditioned & insulated from ventilated attic spaces,
<br />Ductwork All ductwork located in conditioned space.
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<br />6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded bv all residences.l
<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 (nasI must be provided. External or built-in heat trap 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 per 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 readily accessible manual or automatic thermostat for each system.
<br />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.
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