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2. Storm window - Wikipedia

   en.wikipedia.org/wiki/Storm_window

   Storm windows are windows that are mounted outside or inside of the main glass windows of a house. [1] Storm windows exist in North America, but are uncommon in continental Europe, where double, triple or quadruple glazing is prevalent. Storm windows can be made of glass, rigid plastic panels, or flexible plastic sheets; and may be permanently ...

3. Sound reduction index - Wikipedia

   en.wikipedia.org/wiki/Sound_Reduction_Index

   The sound reduction index is used to measure the level of sound insulation provided by a structure such as a wall, window, door, or ventilator. It is defined in the series of international standards ISO 16283 (parts 1-3) and the older ISO 140 (parts 1-14), or the regional or national variants on these standards.

4. Portland Energy Conservation - Wikipedia

   en.wikipedia.org/wiki/Portland_Energy_Conservation

   The cost of the installation is offset by financial incentives from the utility company, allowing businesses to see the benefits of energy- and cost-saving technology while minimizing the cost of the upfront investment. Since 2006, EnergySmart Grocer programs have saved 227 million kWh of electricity in the Pacific Northwest. [9]

5. Shading coefficient - Wikipedia

   en.wikipedia.org/wiki/Shading_coefficient

   Shading coefficient (SC) is a measure of thermal performance of a glass unit (panel or window) in a building. It is the ratio of solar gain (due to direct sunlight) passing through a glass unit to the solar energy which passes through 3mm Clear Float Glass. [ 1 ]

6. Process window index - Wikipedia

   en.wikipedia.org/wiki/Process_Window_Index

   Process window index (PWI) is a statistical measure that quantifies the robustness of a manufacturing process, e.g. one which involves heating and cooling, known as a thermal process. In manufacturing industry, PWI values are used to calibrate the heating and cooling of soldering jobs (known as a thermal profile) while baked in a reflow oven .

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   Get breaking news and the latest headlines on business, entertainment, politics, world news, tech, sports, videos and much more from AOL