Windows are a weak link for buildings when it comes to heat transfer. As much as 30 percent of a commercial building’s energy loss occurs through its windows, according to a DOE study. Conversely, windows allow in 10 times more solar heat per square foot than walls.
The challenge in designing facades and selecting windows in commercial buildings becomes a balancing act between the exterior and interior architectural requirements and various technical issues such as energy efficiency, structural integrity, moisture control, acoustics, and security.
The emerging concept of the “window of the future” is more of a multi-functional “appliance in the wall” rather than simply a static piece of coated glass.
Operable window types include sliding, casement, awning, hopper, or tilt and turn. Each type of window has positive and negative aspects; evaluate which is most suitable for your particular application.
Wausau's aluminum exterior sun shades and interior light shelves intercept unwanted solar heat gain before it can impact a building's HVAC load.
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A new white paper from Onset provides guidance on identifying potential sources of ARRA stimulus funding for energy performance monitoring projects. It details new programs from the ARRA, explains the growing importance of Measurement and Verification (M&V) services, and discusses specific ways ESCOs can apply portable data logging technology to document building energy savings. Download the white paper today!
To learn more, visit our Web site: www.onsetcomp.com.
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