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I f. . _ADDITIONAL TABLES CLIMATE ZONES 4 5 6 6A-20 AIR DISTRIBUTION SYSTEM CREDIT MULTIPLIERS TYPE CREDIT Prescriptive requirements Multiplier Airtight Duct aedtt 610.1.A.l 1.00 Fact -sealed AHU 6102.A.2.1 0.95 l.Duct Sealing Multiplier (DSM) shall be 1.15 (summer) or 1.16 (winter) unless Ailtight Duct creditis de'irJORstrated by test repolt. 2Multiply Factory-sealed AHU credit by summer (Table 6A.7) or winter (Table 6A.16) AHU multiplier. Inselt total in the "AS-Built AHU' box on page 2 or 4. . . 6A-21 HEATING CREDIT MULTIPLIERS (HCM) SY~It.M rl't. Programmable Thermostat HCM .95 Multizone HCM .95 Natural Gas AFUE .68-.72 1 .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 IHWMI SYSTEM TYPE See Table 6-12 for Code minimums HOT WATER MULTIPLIERS IHWMl 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 & UP 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 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 System with Tank HWM 2256 1504 1128 902 752 645 564 501 451 6A-23 HOT WATER CREDIT MULTIPLIERS IHWCMI SYSTEM TYPE HOT WATER CREDIT MULTIPLIERS (HWCMl -- Heat Recovery Unit With Air Condijioner Heat Pumo HWCM .84 .78 Add-on Dedicated Heat PUflll 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 __+_ 5.0 & Up_ (without tank) HWCM .84 .42 .28 I .21 .17 NOTE: A HWM must be used in conjunction with all HWGM. See Table 6M2. EF Means Energy Factor. 6A-24 INRL TRA TlON REDUCTION COMPLIANCE CHECKLIST COMPONENTS SECTION REQUIREMENTS FOR EACH PRACTICE CHECK Exterior Windows & Doors 606.1.ABC.l.l Max: .3 cfm/sq.ft. window area; .5 cfmIsq.ft. door area. Exterior & Adjacent Walls 606.1.ABC.l.2.1 Caulk, gaske1, 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 & top/bottom plates; between walls & floor. EXCEPTION: Frame walls where a continuous infiltralion barrier is installed that extends from, and is sealed to, the foundation to the top plate. Floors 606.1.ABC.l.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.l.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 infmration barrier is installed that is sealed al the perimeter, at penetrations and seams. Recessed Lighting Fixtures 606.1.ABC.l.2.4 Type IC rated with no penetrations, sealed; or Type IC or non-IC rated, installed inside ii sealed box with 1/2' clearance & 3' from insulation; or Type IC rated with <2.0 cfm from condijioned soace lested. Multi.story Houses 606.1.ABC.l.2.5 Air barrier on perimeter of floor cavity between floors. Additional Infiltration reqts 606.1.ABC.l.3 Exhaust fans vented to outdoors, dampers; combustion space heaters comply with NFPA, 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 loasl must be orovided. External or built-in heat trao reauired 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 & 0001 heaters must have a minimum thermal efficiency of 78%. Shower Heads 612.1 Water flow must be restricted to no more than 2.5 callons oer 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. HV AC Controls 607.1 Seoarate readilv accessible manual or automatic thermostat for each sYStem. Insulation 604.1, 602.1 Ceilinos-Min. R-19. Common walls-Frame R-ll or CBS R-3 bo1h sides. Common ceilina & floors R.ll. Effective date: March 1, 2003