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<br />ADDITIONAL TABLES
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<br />CLIMATE ZONES 4 5 6
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<br />6A-18 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 & Up
<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 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' one of these system types concurrently.
<br />Multizone ,95
<br />Attic Radiant Barrier ,95
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<br />Heat Recovery Unit
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<br />Dedicated Heat Pump
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<br />Solar
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<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 INFilTRATION PRESCRIPTIVES,
<br />Windows Maximum of 0.34 CFM per linear foot of ooerable sash crack (includes slidina alass doors),
<br />Exterior & Adiacent Doors Maximum of 0,5 CFM per sa, ft. of door area' solid core, wood oanel, insulated or glass doors on Iv.
<br />Exterior Joints & Cracks To be caulked, aasketed weatherstriooed or otherwise sealed,
<br />PRACTICE #2 606,1 COMPLY WITH #1 AND THE FOllOWING:
<br />Exterior Walls and Floors Top plate oenetrations 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 gasketed,
<br />Ductwork Ductwork in unconditioned space must be sealed,
<br />Fireplaces Equipped with outside combustion air, doors and flue dampers,
<br />Exhaust Fans Eauipped 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 1 00 oenetrations 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 soace,
<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
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<br />6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded by 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 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 />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 610, 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 />HVAC Controls 607,1 Separate readily accessible manual or automatic thermostat for each svstem.
<br />Insulation 604,1, 602,1 Ceilings-Min, R-19, Common walls-Frame R-11 orCBS R-3 both sides. Common ceiling & floors R-11,
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