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, -. .... ~ . . ADDITIONAL TABLES 6A-18 HEAnNG CREDIT MULnPLlERS (HCM) SYSTEM TYPE HEAnNG~RE!>I!~IJ!JIPLlEB~ 11!l;!fL_______ .. -- Allie Radian! Barrier HCM .98 -- --~-... Multizone HCM .95 .-- -----.-- -- Natural Gas AFUE .68-.72 .73-.77 .78-.82 .83-.87 .88-.92___ ___A!3 ~Up HCM .61 .56 .53 .50 .47 .44 ----------.------..- LP Gas HCM .77 .72 .67 .63 .60 .57 CLIMATE ZONES 4 5 6 6A-19 COOLING CREDIT MUL nPLlERS CCM) SYSTEM TYPE COOLING CREDIT MULtiPLIERS ICCM) --------------.-- Ceiling Fans (86'.) Cross Ventilation ']5- 'Credit may be taken for only Whole House Fan .95' one of these system types concurrently. Multizone .95 AWc Radiant Barrier .95 Heal Recovery Unit HOI1VAIEliCREDII BS1HWCMl__________.. Wjlh_______~- Air.Goodilione ------__tleal PUIIlQ___ HWCM ~Sf -------- ~~~ ------.2..~,~~49 20_~~~2:;~~99 3 n."..3.Q;49.- --=~-.3'::5U~__ f~ __1 0-1 9 --- . - _ -!.l:lb 4Jl:4,9__ __5,Q & Up__ -HWCM 84 2L___ -_,11____ A HWM MUST BE USED IN CONJUNCTION WITH All HWCM. SEE TABLE 6A-9. EF MEANS ENERGY FACTOR. Dedicated Heat Pump Solar 6A-21 INFILTRAnON REDUCTION PRACnCE COMPLIANCE CHECKLIST ISEE SECnON 606) COMPONENTS SECnON REQUIREMENTS FOR EACH PRACnCE CHECK PRACnCE II 606.1 COMPLY WITH All INFll TRA TION PRESCRIPTIVES. Windows Maximum of 0.34 CFM per linear foot of operable sash crack (includes slidino alass doors\: Exterior & Adiacent Doors Maximum of 0.5 CFM per sa. ft. of door area' solid core wood panel. insulated or alass doors onlv. Exterior Joints &.cracks To be caulked aasketed weatherstripped or otherwise sealed. PRACnCE #2 ) 606.1 COMPLY WITH #1 AND THE FOllOWING: , alld Floors Top plate penetrations sealed. Infiltration barrier installed. Sole platelfloor ioint caulked or sealed. Exterior Walls & Ceilinas Penetrations ioints and cracks on interior surface caulked, sealed or oasketed. Ductwork Ductwork in unconditioned space must be sealed. Fireplaces Eauipped with outside combustion air doors and flue dampers. Exhaust Fans Eauipoed with damoers. Combustion devices see 606.1.A.2 PRACnCE #3 606.1 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 oasketed. Recessed Liahts Sealed from conditioned & insulated from ventilated attic spaces. Ductwork All ductwork located in conditioned soace. Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust by-products to outside. Combustion cooking appliances see section 606.1.A.3 6A-22 OTHER PRESCRIPnVE MEASURES (must be met or exceeded by all residences.) COMPONENTS SECnON REQUIREMENTS CHECK Water Heaters 612.1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electric) or cutoff (aas) 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 spa & pool heaters must have a minimum thermal efficiencv of 78%. Shower Heads 612.1 Water flow must be restricted to no more than 3 ~allons per minute at 80 PSIG. Air Distribution System 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, sealed, insulated, and installed in accordance with the criteria of Section 610. Ducts in unconditioned attics must be insulated to a minimum of R-6. Air handlers shall not be installed in attics unless in mechanical closet. HVAC Controls 607.1 Separate readilv accessible manual or automatic thermostat for each svstem. Insulation 604.1, 602.1 Ceilinos-Min. R-19. Common walls-Frame R-11 orCSS R-3 both sides. Common ceiling & floors R-ll. -6-