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<br />ADDITIONAL TABLES
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<br />6A 20 AIR DISTRIBUTION SYSTEM CREDIT IdUl T1PlIERS
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<br />CLIMATE ZONES 4 5 '6
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<br />TYPE CREDIT Prescriptive requirements Multiplier
<br />Airtight Duct credit r I 610.1.Al -I 1.00
<br />Factorv-sealed AHU credilZ. I 610,2A2,1 I 0,95
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<br />1 Duct Sealing Multiplier (DSM) shall be 1.15 (summer) or 1, 16 (winter) unless Nrtight Duel credit is
<br />demonstrated by test report,
<br />2Mulliply Factory-sealed AHU credit by summer (Table 6A.7) Of winter (Table 6A- t6) AHU mullipHer.
<br />Insert total in /he "AS-Buill AHU' box on page 2 Dr 4,
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<br />6A.21 HEATING CREDIT MULTIPLIERS tHCMl
<br /> SYSTEM TYPE HEATING CREDIT MULTIPLIERS (HCM)
<br /> Proarammable Thennostat HCM ,95
<br /> Multizone HeM .95
<br /> AFUE .68-.72 T .73-.77 1 .78-,82 r .83..87 T ,88-,92 r .93 & Uo
<br /> Natural Gas HCM .61 T .56 I .53 T ,50 I .47 T .44
<br />- LP Gas HCM .77 T .72 I .67 T .63 I .60 r ,57
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<br />6M2 HOT WATER MULTIPLIERS tHWMl HOT WATER MUL TIPLlERSIHWMI
<br />SYSTEM TYPE See Table 6-12 for Code minimums ,97 & Uo
<br /> EF .80-.81 .82..83 .84-,85 ,86,,87 .88..90 .91..93 .94..96
<br />Electric Resistance HWM 2820 2752 2685 2624 2564 2479 2400 2326
<br /> ~- .43-.47 .48-,49 ,50'.51 .52-.53 .54-.55 ,56-,57 .58..59 ,60-.61 ,62-.63 ,64.,65 .66 & Uo
<br />Natural Gas HWM 2162 1936 1859 1787 1721 1660 1602 1549 1499 1452 1408
<br />LP Gas HWM 2645 2368 2274 2186 2106 2031 1960 1895 1834 1776 1722
<br />Oed, 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 5.0-Uo
<br />System wfth Tank ~. 2256 1504 I 1128 902 752 645 564 501 451
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<br />6M3 HOT WATER CREDIT MULTIPLIERS IHWCMI HOT WATER CREDIT MUlT/PLlERSIHwCMI
<br />SYSTEM TYPE
<br />Heat Recovery Unit With Air Conditioner Heat Pumn
<br />HWCM ,84 .78
<br />AcikJn DedK:ated Heat Pump EF 2,0.2.49 2.5.2.99 3,0-3,49 T 3,5 & Uo
<br />(without tank) HWCM .44 ,35 ,29 T ,25
<br />Add-on Solar Water Healer EF 1.0-1.9 2.0-2.9 3,0.3,9 T 4,0-4,9 T 5,0 & Un
<br />(without tank) HWCM .84 .42 .28 T ,21 r ,17
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<br />6A 24 INFILTRATION REDUCTION COMPLIANCE CHECKLIST
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<br />NOTE: A HWM must be used in conjunction with all HWCM, See Table 6M2. EF Means Energy Factor.
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<br />COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK
<br />Exterior Windows & Doors 606,1ABC.1,1 Max: .3 cfm/sQ.ft, window area; ,5 cfm/sq,ll door area, V
<br />Exterior & Adjacent Walls 606,t.ABC.1.2.1 Caulk, gasket weatherstrip or seal between: windows/doors & frames, surrounding wall;
<br /> foundation & wall sole or sill plate; joints between exterior wall panels at corners; utility
<br /> penetrations; between wall panels & toplbollom plates; between walls & lloor. r/
<br /> EXCEPTION: Frame walls where a continuous infiltration barrier is installed that extends
<br /> from, and is sealed to, the foundation to the top plate.
<br />Floors 606,1 ABC, 1.2,2 Penetrations/openings >1/8" sealed unless backed by truss or joint members. L//
<br /> EXCEPTION: Frame floors where a continuous infiftration barrier is installed that is sealed
<br /> to the perimeter, penetrations and seams.
<br />Ceilings 606.1.ABC.1.2.3 Seal: Between walls & ceilings; penetrations of ceiling plane of top floor; around shafts, chases, ./
<br /> soffits, chimneys, cabinets sealed to continuous air barrier; gaps in gyp board & top plate;
<br /> attic access. EXCEPTION: Frame ceilings where a continuous infiltration barrier is
<br /> installed that is sealed at the oerimeter, at oenetrations and seams.
<br />Recessed Lighting Fixtures 606.1.ABC.t.2A Type Ie rated with no penetrations, sealed; or Type IC or non-lC rated, instal/ed inside a /
<br /> sealed box with 1/2" clearance & 3" from insUlation; or Type IC rated with <2.0 cfm from
<br /> conditioned soace tested.
<br />Multi-story Houses 606.1 ABC.1,2.5 Air barrier on perimeter of floor cavity between floors. -7
<br />Additional Infiltration reqts 606.1 ABC.1.3 Exhaust lans vented to outdoors, dampers; combustion space heaters comply with NFPA, 7'
<br /> have combustion air.
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<br />6A.25 OTHER PRESCRIPTIVE MEASURES (must be met or exceeded by all residences.!
<br />COMPONENTS SECTION REQUIREMENTS CHECK
<br />Water Heaters 612.1 Comply wnh effICiency requirements in Table 6-12. Switch or clearly marked circuit breaker (electric) V-
<br /> or cutoff IMS! must be nrovided. External or built-in heat tran renuired fOf vertical aioe risers.
<br />Swimming Pools & Spas 612.1 Spas & heated pools must have covers (except solar heated). Non-commercial pools must have a pump timer. Gas spa / ,
<br /> & nool heaters must have a minimum thennal efficiencv of 78%.
<br />Shower Heads 612,1 Water flow must be restricted to no more than 2.5 a,lIlons oer minute at 80 PSIG. 7
<br />Air Distribution Systems 610.1 All ducts, fillings, mechanical equipment and plenum chambers shaJI be mechanically attached, /
<br /> sealed, insulated, and installed In accordance with the criteria \If Section 610. Duels in unconditioned allies: R-6 minimum
<br /> insulation, /"
<br />HV AC Controls 607.1 Seoarate readilv accessible manual or automatic thermostat for each ~m. y/
<br />Insulation 604,1,602.1 Ceilings-Min. R-19. Common walls-Frame R.11 or CBS R-3 both sides. Common ceiling & floors R-1t. 7
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