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Hawaii County Energy Code Bill <br /> Annotated Draft <br /> 11127119 <br /> {l l) Table C402.4 from the International Energy Conservation Code is deleted in its <br /> entirety and replaced with the following: <br /> "TABLE 0402.4 <br /> BUILDING ENVELOPE FENESTRATION <br /> MAXIMUM U-FACTOR AND SHGC REQUIREMENTS - <br /> CLIMATE ZONE 1 <br /> CLIMATE ZONE 1 <br /> Vertical fenestration <br /> U-factor <br /> Fixed fenestration 0.50 <br /> Operable fenestration 0.65 <br /> Entrance doors 1.10 <br /> SHGCb <br /> Orientation' SEW N <br /> PF <0.2 0.25 0.33 <br /> 0.2 <PF <0.5 0.30 0.37 <br /> PF> 0.5 0.40 0.40 <br /> Skylights <br /> U-factor 0.75 <br /> SHGC 0.35 <br /> NR=No requirement,PF=Projection factor. <br /> a. "N"indicates vertical fenestration oriented within 45 degrees of true north. "SEW" <br /> indicates orientations other than"N." For buildings in the southern hemisphere,reverse <br /> south and north. <br /> b. Exception: Jalousie windows are exempt from SHGC requirements." <br /> Comments: <br /> A. Revised table to include only climate zone I requirements. <br /> B. State Justification: .jalousie windows are popular in Hawai`i as an <br /> extremely effective means ofpassively cooling buildings by reducing or <br /> eliminating the need for air conditioning. The SHGC of the individual <br /> jalousie blades can be slightly improved, but only at great expense and the <br /> 11 <br />