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A9nlTIONAL TABLES 6""18 HEA:rING CREDIT MULTIPLIERS HCM SYSTEM TYPE Attic Radiant Barrier Multizone CLIMATE ZONES 4 5 6 Natural Gas HCM HCM ------~.~ AFl,JI;_~_ . HCM HCM _~____u . _ _ . Jt~AJ,!~~~R~[)ltMULTI~~~.B!{HC~_____~_ ,98 ._--_._~----- .--.---------- .95 LP Gas ---------,.-._- ~_.__..- ----.....-- .68-.72 .73-.77 .78-.82 .83-.87 _~-,9g__ .~&Up ---- - ~-- .61 ,56 .53 ,50 ,47 .44 .77 ,72 .67 ,63 ,60 .57 6A-19 COOLING CREDIT MULTIPLIERS CCM SYSTEM TYPE COOLING CREDIT MULTIPLIERS CCM Ceilin Fans ___~. .86. Cross Ventilation n ____~___...Jl!5.______~__m Whole House Fan .95. Muilizone ,95 Attic Radi nt Barri r ,9 .Credit may be taken for only one of these system types concurrently. SYSTEM TYPE Heat Recovery Unit Wi h .... .. Air n i i n ~OT WATER C~EDIT rL TIPUERS (HWC.M}Heat Pump ~~ ~1'~9 2~j_~~9,gE;;9r~o~r A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM. SEE TABLE 6A-9. EF MEANS ENERGY FACTOR. Dedicated Heat Pump Solar 6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST (SEE SECTION 606) COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK PRACTICE #1 606,1 COMPLY WITH ALL INFILTRATION PRESCRIPTIVES. Windows Maximum of 0.34 CFM oer linear foot of operable sash crack (includes sliding glass doors). Exterior & Adiacent Doors Maximum of 0.5 CFM per sq. ft. of door area' solid core, wood panel, insulated or glass doors onlv. Exterior Joints & Cracks To be caulked, aasketed. weatherstripped or otherwise sealed. PRACTICE #2 606.1 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 & Ceilings Penetrations ioints and cracks on interior surface caulked, sealed or oasketed. Ductwork Ductwork in unconditioned space must be sealed. Fireplaces Equipped with outside combustion air, doors and flue dampers. Exhaust Fans Equipped with dampers. Combustion devices see 606.1 .A.2 PRACTICE #3 606.1 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: Ceilinos Infiltration barrier installed. Interior Walls Too oenetrations sealed or ioints & cracks on interior walls caulked sealed or qasketed. Recessed Liohts Sealed from conditioned & insulated from ventilated a:~ic spaces. Ductwork All ductwork located in conditioned space. 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 PRESCRIPTIVE MEASURES (must be met or exceeded bv all residences.) COMPONENTS SECTION REQUIREMENTS CHECK Water Heaters 612,1 Comply with efficiency requirements in Table 6-11. Switch or clearly marked circuit breaker (electricl ., or cutoff (oas) 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 effiCiency of 78%. Shower Heads 612.1 Water flow must be restricted to no more than 3 gallons 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 61 O. 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. HV AC Controls 607.1 Separate readily accessible manual or automatic thermostat for each system. Insulation 604,1, 602,1 CeilinQs-Min. R-19. Common walls-Frame R-l1 orCBS R-3 both sides. Common ceilinQ & floors R-ll. -6-