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<br />aOOfTIONAL TABLES
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<br />CLIMATE ZONES 4 5 6
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<br />6A-1S HEATING CREDIT MULTIPLIERS (HCM\
<br />SYSTEM TYPE HEATING CREDIT MULTIPLIERS (HCM\
<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 CCM\
<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
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<br />Heat Recovery Unit
<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.
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<br />6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST (SEE SECTION 606\
<br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK
<br />PRACTICE #1 606,1 COMPLY WITH All INFll TRA TION PRESCRIPTIVES,
<br />Windows Maximum of 0.34 CFM oer linear foot of ooerable sash crack (includes slidina alass doors),
<br />Exterior & Adiacent Doors Maximum of 0.5 CFM oer sa. It, of door area; solid core, wood oanel, insulated or alass doors onlv,
<br />Exterior Joints & Cracks To be caulked, aasketed weatherstripped or otherwise sealed.
<br />PRACTICE #2 606,1 COMPLY WITH #1 AND THE FOllOWING:
<br />Exterior Walls and Floors Top olate penetrations 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 Eauiaoed 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 100 oenetrations sealed or ioints & cracks on interior walls caulked sealed or aasketed.
<br />Recessed Liohts Sealed from conditioned & insulated from ventilated attic soaces,
<br />Ductwork All ductwork located in conditioned space.
<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 bv 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 (aas) 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 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 />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 61 O. 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 />HV AC Controls 607.1 Separate readilv accessible manual or automatic thermostat for each system,
<br />Insulation 604,1, 602,1 Ceilinas-Min, R-19, Common walls-Frame R-ll or CBS R-3 both sides, Common ceilina & floors R-l1,
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