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2. R-value (insulation) - Wikipedia

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

   The R-value is the building industry term [3] for thermal resistance "per unit area." [4] It is sometimes denoted RSI-value if the SI units are used. [5] An R-value can be given for a material (e.g., for polyethylene foam), or for an assembly of materials (e.g., a wall or a window). In the case of materials, it is often expressed in terms of R ...

3. 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]

4. List of insulation materials - Wikipedia

   en.wikipedia.org/wiki/List_of_insulation_materials

   Typical R-values are given for various materials and structures as approximations based on the average of available figures and are sorted by lowest value. R-value at 1 m gives R-values normalised to a 1 metre (3 ft 3 in) thickness and sorts by median value of the range.

5. Window blind - Wikipedia

   en.wikipedia.org/wiki/Window_blind

   Various window blind styles. A window blind is a type of window covering. [1] There are many different kinds of window blinds which use a variety of control systems. A typical window blind is made up of several long horizontal or vertical slats of various types of hard material, including wood, plastic or metal which are held together by cords that run through the blind slats.

6. Cellulose insulation - Wikipedia

   en.wikipedia.org/wiki/Cellulose_insulation

   The R-value of 3.6 to 3.8 per inch [citation needed] is good but not the best. [citation needed] Material cost per R-value is good but labor cost goes up because it takes more material and time to install than fiberglass insulation at the same R-Value [citation needed].

7. The Surprising Fruit That's the Top Winter Superfood - AOL

   www.aol.com/lifestyle/surprising-fruit-thats-top...

   Beets of all shades are loaded with vitamin C, zinc and other nutrients known for bolstering the immune system, and they’re particularly high in betalains, pigment-lending compounds with ...