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A09ITIONAL'TABLES SA-fa HEATING CREDIT MULTIPLIERS HCM SYSTEM TYPE Attic Radiant Barrier Multizone Natural Gas CLIMATE ZONES 4 5 6 HCM HCM AFUE HCM ___,~~-, 7~ ,61 ---~- n HEATING CREDIT MULTIPLIERS HCM .98 .90 .78- .82 .53 .88-.92 .47 6A-19 COOLING CREDIT MULTIPLIERS CCMI SYSTEM TYPE COOLING CREDIT MULTIPLIERS (CCM) Ceilina Fans .86* Cross Ventilation .90* *Credit may be taken for only Whole House Fan .90* Multizone .95 one of these system types concurrently. Aft;'" R..tii..nt lumiA' .95 6A-20 HOT WATER CREDIT MULTIPLIERS (HWCM) SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS (HWCM) Heat Recovery Unit With Air Conditioner Heat Pumo HWCM .62 .58 Dedicated Heat Pump EF ----"- ., _2.'~~iL.... .+_. m . 2,5-2-,~. ~..._- __.~,Q-3,49 1___ 3,5 &~_ -._----- -----~--~.-------_. I .25 HWCM ,35 .29 A HWM MUST BE USED IN CONJUNCTION WITH ALL HWCM, SEE TABLE 6A.9, EF MEANS ENERGY FACTOR. 6A-21 INFILTRATION REDUCTION PRACTICE COMPLIANCE CHECKLIST COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK PRACTICE #1 606.1 COMPLY WITH All INFilTRATION PRESCRIPTIVES. Windows 606.1 Maximum of 0.34 CFM per linear foot of operable sash crack (includes slidina alass doors). Exterior & Adiacent Doors 606.1 Maximum of 0.5 CFM per sa. ft. of door area' solid core, wood panel insulated or alass doors onlv. Exterior Joints & Cracks 606.1 To be caulked, aasketed, weatherstripped or otherwise sealed. PRACTICE #2 606.2 COMPLY WITH #1 AND THE FOllOWING: Exterior Walls and Floors Top plate penetrations sealed. Infiltration barrier installed. Sole plate/floor ioint caulked or sealed. Exterior Walls & Ceilinas Penetrations, ioints and cracks on interior surface caulked, sealed or aasketed. Ductwork Ductwork in unconditioned space must b8 sealed. Fireolaces Eauiooed with outside combustion air, doors, and flue dampers. Exhaust Fans Eauipped with dampers. Combustion devices see 606.1.A.2 Combustion Appliances Be in unconditioned space (except direct vent), draw air from unconditioned space, exhaust to outside. Cookina apoliances shall be damoered and use intermittent ignition. PRACTICE #3 606.2 COMPLY WITH PRACTICES #1 AND #2 AND THE FOllOWING: Ceilinos Infiltration barrier installed. Interior Walls Top penetrations sealed or ioints & cracks on interior walls caulked sealed or gasketed. Recessed Liahts Sealed from conditioned & insulated from ventilated attic soaces. Ductwork All ductwork located in conditioned soace. 6A-22 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded by all residences.) COMPONENTS SECTION REQUIREMENTS CHECK Water Heaters 612.1 Comply with efficiency requirements in Table 6-12. Switch or clearly marked circuit breaker (electric) or cutoff (aas) must be orovided. External or built-in heat traD reauired. Swimming Pools & Spas 612,1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a Dump timer. Gas soa & 0001 heaters must have a minimum thermal efficiencv of 78%. Shower Heads 612,1 Water flow must be restricted to no more than 3 aallons per minute at 80 PSIG. HV AC Duct Construction 610.1 All ducts, fittings, mechanical equipment and plenum chambers shall be mechanically attached, Insulation & Installation sealed, insulated, and installed in accordance with the criteria of Section 904.6. Duct in unconditioned space and air handlers located in attics must be insulated to a minimum of R-5. Air handlers shall not be installed in attics unless in mechanical closet. HV AC Controls 607.1 Seoarate readilv accessible manual or automatic thermostat for each svstem. Insulation 604.1 602.1 Ceilinas-Min. R-19. Common walls-Frame R-11 or CBS R-3 both sides. Common ceilinn & floors R-11. -6-