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'. .ADDITIONAl TABLES CLIMATE ZONES.. 4 5 ~. 6A.2Q AIR DISTRIBUTION SYSTEM CREDIT MULTIPLIERS PE CREDIT Prescriptive requirements Multiplier Airtight Duct credit 610.1 A 1 1.00 Facto -sealed AHU credi 610.2.A.2,1 0.95 lDuct Sealing Multiplier (DSM) shall be 1.15 (summer) or 1.16 (winter) unless Airtight Duct credit ;s demonstrated by test report. 2Muftiply Factory-sealed AHU credit by summer (Table 6A-7) or winter (Table 6A-16) AHU multiplier. Insert tolal in the 'AS-Built AHU. box on page 2 or 4. 6A.21 HEATING CREDIT MULTIPLIERS (HCM) ::JT::JICM rt'c -(HeM) Programmable Thermostat HCM .95 Multizone HCM .95 Natural Gas AFUE .68-.72 I .73-.77 I .78-.82 I .83-.87 I .88-.92 I .93 & UP HCM .61 I .56 I .53 I .50 I .47 I .44 LP Gas HCM .77 I .72 I .67 I .63 I .60 I .57 6A.22 HOT WATER MULTIPLIERS (HWM) SYSTEM TYPE See Table 6-12 for Code minimums HOT WATER MULTIPLIERS (HWM\ Electric Resistance EF .80-.81 .82-.83 .84-.85 .86-.87 .88-.90 .91-.93 .94-.96 .97 & Uo HWM 2820 2752 2685 2624 2564 2479 2400 2326 Natural Gas EF .43-.47 .48- .49 .50-.51 .52-.53 .54-.55 .56-.57 .58- .59 .60-.61 .62-.63 .64-.65 .66 & Uo HWM 2162 1936 1859 1787 1721 1660 1602 1549 1499 1452 1408 LP Gas HWM 2645 2368 2274 2186 2106 2031 1960 1895 1834 1776 1722 Ded. HP or Solar EF 1.0-1.49 1.5-1. 99 2.0-2.49 2.5-2.99 3.0-3.49 3.5-3.99 4.0-4.49 4.5-4.99 5.o-Uo System with Tank HWM 2256 1504 1128 902 752 645 564 501 451 6A.23 HOT WATER CREDIT MULTIPLIERS tHWCMl SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS (HWCM\ -.--- Heat Recovery Unit With Air Conditioner Heat Pumo -- HWCM .84 .78 Ml-on Dedicated Heat Pump EF 2.0-2.49 2.5-2.99 3.0-3.49 I 3.5 & Uo (without tank) HWCM .44 .35 .29 I .25 Add-on Solar Water Heater EF 1.0-1.9 2.0-2.9 3.0-3.9 I 4.0-4.9 I 5.0 & Uo __ (without tank) HWCM .84 .42 .28 I 21 I .17 NOTE: A HWM must be used in conjune#on with all HWGM. See Table 6A-22. EF Means Energy Factor. 6A.24 INFILTRATION REDUCTION COMPLIANCE CHECKLIST COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK Exterior Windows & Doors 606.1.ABC.1.1 Max: .3 elmlsq.ft. window area; .5 cfmIsq.ft. door area. Exterior & Adjacent Walls 606.1.ABC.1.2.1 Caulk, gasket, weatherstrip or seal between: windows/doors & frames, surrounding wall; foundation & wall sole or sill plate; joints between exterior wall panels at corners; utility penetrations; between wall panels & toplbottom plates; between walls & floor. EXCEPTION: Frame walls where a continuous infiltration barrier is installed that extends from, and is sealed to, the foundation to the too olate. Floors 606.1.ABC.1.2.2 Penetrations/openings> 1/8. sealed unless backed by truss or joint members. EXCEPTION: Frame floors where a continuous infiltration barrier is installed that is sealed to the perimeter, penetrations and seams. Ceilings 606.1.ABC.1.2.3 Seal: Between walls & ceilings; penetrations of ceiling plane of top floor; around shafts, chases, soffits, chimneys, cabinets sealed to continuous air barrier; gaps in gyp board & top plate; attic access. EXCEPTION: Frame ceilings where a continuous infiltration barrier is installed that is sealed at the perimeter, at penetrations and seams. Recessed Lighting Fixtures 606.1.ABC.1.2.4 Type IC rated with no penetrations, sealed; or Type IC or non-IC rated, installed inside a sealed box with 112" clearance & 3. from insulation; or Type IC rated with <2.0 elm from conditioned soace tested. Multi-story Houses 606.1.ABC.1.2.5 Air barrier on perimeter of floor cavity between floors. Additional Infiltration reqts 606.1.ABC.1.3 Exhaust fans vented to outdoors, dampers; combustion space heaters comply with NFP A, have combustion air. 6A.25 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded bv all residences.l 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 (aasl must be orovided. External or built-in heat trao reouired for vertical oioe risers. 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 2.5 aallons oar minute at 80 PSIG. Air Distribution Systems 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: R-6 minimum insulation. HVAC Controls 607.1 Seoarate readily accessible manual or automatic thermostat for each system. Insulation 604.1, 602.1 Ceilinas-Min. R-19. Common walls-Frame R-11 or CBS R-3 both sides. Common ceilina & floors R-11. Effective dale: March 1. 2003