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[DOCX File]Window Selection - Evaluate - Building Science
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To be effective, south-facing windows in colder climates should have a solar heat gain coefficient (SHGC) of greater than 0.6 to maximize solar heat gain during the winter, a U-factor of 0.35 or less to reduce conductive heat transfer, and a high visible transmittance (VT) for good visible light transfer.
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Building Envelope: A building envelope includes all ...
Solar Heat Gain Coefficient (SHGC): measures how well a window blocks heat from sunlight. The SHGC is the fraction of the heat from the sun that enters through a window. SHGC is expressed as a number between 0 and 1. The lower a window's SHGC, the less solar heat it transmits. U-factor: measures how well a product prevents heat from escaping.
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[DOCX File]DaylightMax Vinyl Windows - Replacement Window …
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Solar Heat Gain Coefficient (SHGC): NFRC 200 maximum whole window SHGC of [0.30] [_____]. Specifier Notes: Specify the types of vinyl windows required for the Project. Delete vinyl window …
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[DOC File]GENERAL GUIDE SPECIFICATION - Wausau Window
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(Wausau recommends specifying U-Factor and SHGC requirements by citing the values used in the default, prescriptive or performance compliance path option employed during permitting. Performance of specific frame-glass combinations in this Wausau product family can be obtained from the NFRC Certified Products Directory, an NFRC CMA Bid ...
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[DOC File]Area-Weighted Average Solar Heat Gain Coefficient
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The north-facing window areas receive a weighting factor of 0.00 in the area-weighting average SHGC calculation. All other orientations receive a weighting factor of 1.00. A north-facing window is defined as any window that faces within 22.5 degrees of true north.
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[DOCX File]NFRC Procedures Template
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If using WINDOW to simulate each product group identified in Section 4.2.3 for U-factor, the frame representative SHGC 0, SHGC 1, VT 0, and VT 1 for no dividers, dividers less than 25.4 mm (1.00 in) wide, and dividers greater than or equal to 25.4 mm (1.00 in) wide used in Equations 4-1 and 4-2 shall be obtained from the group leader with no ...
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[DOCX File]Primary Window Components - Building Science
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The placement of a low-e coating within the air gap of a double-glazed window does not affect the U-factor, but it does influence the SHGC. Thus, in heating dominated climates, placing a low-e coating on the #3 surface (outside surface of the inner pane) is recommended to maximize winter passive solar gain at the expense of a slight reduction ...
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[DOC File]Building Energy Codes - Texas Windows Initiative
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To achieve the ENERGY STAR designation, a window, door, or skylight must have U-factor and SHGC ratings below specified minimum values. These values are based on the overall fenestration product (glass and frame) and vary according to climate zone (see Figure 2).
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[DOC File]www.energystar.gov
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Accordingly, a window with a 0.35 U-factor and a high SHGC results in measurably less energy use than a window with 0.35 U-factor and a lower SHGC. Page 5 of 6. August 3, 2001. Based on the number of certified NFRC windows in. the NFRC database, we found that the average SHGC of a window with a 0.35 U-factor is 0.37.
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[DOCX File]SECTION 085113 - ALUMINUM WINDOWS
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Jun 13, 2019 · Thermal Transmittance: Provide aluminum windows with whole-window U-factor and SHGC maximums indicated when simulated in accordance with NFRC 100 and NFRC 200 at a model size of 36” x 60” and glazed with 1” Argon filled sputter coat …
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Window shgc factor