Showing results 51 - 100 of 357
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Comparison of three homes showing the amount of wall insulation needed to achieve a whole-wall insulation value of R-19 when the wall has double- versus triple-pane windows
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Completed wall retrofit of masonry home (on right) showing new lap siding attached over four inches of rigid foam; windows were boxed with plywood to accommodate depth of foam plus 1x4 furring strips
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Condensation can form between the interior removable storm window and the existing window if the storm window is not air tight
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Condensation in storm windows can be prevented by air sealing around the storm window and allowing some ventilation to the outside from the original window
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Deep overhangs and porches provide midday shade for most of the windows on this home in Albuquerque, NM.
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Deep overhangs and porches shade the double-paned, argon-filled, low-emissivity windows to keep out summer sun.
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End conditions for braced wall lines with continuous sheathing, Figure R602.10.7 in the IRC
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ENERGY STAR Certification Criteria for Residential Windows, Doors, and Skylights, Version 7.0, effective 10-23-23
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ENERGY STAR offers this label for certified low-E storm windows in cool climates
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ENERGY STAR offers this label for certified low-E storm windows in warm climates
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ENERGY STAR reflective roof shingles and low-SHGC windows with low-emissivity coatings help to minimize solar heat gain.
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ENERGY STAR-rated ceiling fans and openable windows oriented to prevailing summer breezes help provide low-cost cooling.
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Even when wind is blowing parallel to a wall, an open casement window can create a zone of higher pressure near the window opening, driving airflow into the house
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Even with R-30 of insulation in the wall, its overall R-value is R-5 if it has single-pane windows; triple-pane windows bring that up to R-16
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Example sill detail of replacement window in conjunction with siding replacement
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![Exhibit 1 - DOE ZERH Mandatory Window Requirements [Revision 07].](https://basc.pnnl.gov/sites/default/files/images/Exhibit%201%20-%20DOE%20ZERH%20Mandatory%20Window%20Requirements%20%5BRevision%2007%5D.PNG)
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![Exhibit 2 - DOE ZERH Target Home Window Requirements [Revision 07].](https://basc.pnnl.gov/sites/default/files/images/Exhibit%202%20-%20DOE%20ZERH%20Target%20Home%20Window%20Requirements%20%5BRevision%2007%5D.PNG)
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Extension boxes of plywood built around the windows on this wall retrofit will be flush with the outer layer of exterior rigid insulation
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Exterior low-e storm windows were added to historic Halligan Hall on the U.S. Naval Academy campus in Annapolis, Maryland; frames were custom colored to match the existing seafoam green window trim
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Exterior shading devices such as awnings or overhangs can significantly reduce cooling loads
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Exterior shading devices such as these Bahama shutters can significantly increase the hours of safety provided by a home during an extreme heat event.
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External solar screens are an effective way to reduce solar heat gains through windows while maintaining view.
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Factory-made interior removable storm windows have a flexible silicon frame press into place to air seal and insulate the existing window.
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Failure of Roof Structure from Pressurization Due to Window Failure During a Hurricane.
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For factory-made interior removable storm windows, follow the manufacturer’s instructions for measuring the window frame
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Framing is built around the window before exterior rigid foam is installed on the exterior walls around the window.
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High-performance home builders surveyed by PNNL report several reasons for choosing triple-pane over double-pane windows