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2. Radiant barrier - Wikipedia

   en.wikipedia.org/wiki/Radiant_barrier

   Radiant barrier materials must have low emissivity (usually 0.1 or less) at the wavelengths at which they are expected to function. For typical building materials, the wavelengths are in the mid- and long-infrared spectrum, in the range of 3-15 micrometres. [citation needed] Radiant barriers may or may not exhibit high visual reflectivity.

3. R-value (insulation) - Wikipedia

   en.wikipedia.org/wiki/R-value_(insulation)

   Installed faced fiberglass batt insulation with its R-value visible (R-21) [1]. The R-value (in K⋅m 2 /W) is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive [2] flow of heat, in the context of construction. [3]

4. Radiator reflector - Wikipedia

   en.wikipedia.org/wiki/Radiator_reflector

   In his 3m cubed test room with a 1 x 0.5 m radiator and walls of average U value 0.44 W/m 2 K, he found that for a radiator temperature of 43 °C the heat flux through the wall behind the radiator reduced from 7.1 to 3.1 W/m 2. Note that the average heat loss in the room was not reduced by such a large percentage as only part of the surface of ...

5. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Reflective insulation and radiant barriers reduce the radiation of heat to or from the surface of a material. Radiant barriers will reflect radiant energy. A radiant barrier by itself will not affect heat conducted through the material by direct contact or heat transferred by moist air rising or convection.

6. 21 Vintage Photos of Christmas Window Displays From the Last ...

   www.aol.com/21-vintage-photos-christmas-window...

   December 11, 2024 at 8:12 PM Revisit: Vintage Christmas Window Displays H. Armstrong Roberts/ClassicStock - Getty Images No holiday shopping season would be complete without festive window displays.

7. Best Buy broadly misses earnings estimates as consumers pull ...

   www.aol.com/finance/best-buy-expected-see...

   Here's what Best Buy posted for the third quarter, compared to Bloomberg consensus data estimates: Adjusted earnings per share: $1.26 versus $1.29 Net sales: $9.45 billion versus $9.63 billion