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2. Window insulation film - Wikipedia

   en.wikipedia.org/wiki/Window_insulation_film

   Using the European standard a window with an ideal gap of 17 mm has a simulated U-Value of about 2.8 W/(m 2 K), a window with a much smaller gap of 6 mm has a U-value of about 3.3 W/(m 2 K), while a single glazed window has a U-value of about 5.5 W/(m 2 K). [2] (see also insulated glazing).

3. Window film - Wikipedia

   en.wikipedia.org/wiki/Window_film

   If the windows are designed to provide heat energy in the winter and keep heat inside the house (typical of cold climates), the low-emissivity coating should be applied to the inside pane of glazed windows. Such films also reduce the amount of visible and ultraviolet radiation entering a window, and are often applied to reduce the fading of the ...

4. Insulated glazing - Wikipedia

   en.wikipedia.org/wiki/Insulated_glazing

   In the summer, a window screen would be installed on the exterior over the double-hung window to keep out animals and insects. In the winter, the screen was removed and replaced with a storm window, which created a two-layer separation between the interior and exterior spaces, increasing window insulation in cold winter months. To permit ...

5. What should you set your heat to in the winter? Avoid ... - AOL

   www.aol.com/finance/set-heat-winter-avoid...

   The World Health Organization recommends keeping indoor temperatures between 64 and 75 degrees for healthy people. But for those who are very young, elderly or who have health problems, the ...

6. Thermal insulation - Wikipedia

   en.wikipedia.org/wiki/Thermal_insulation

   Window insulation film can be applied in weatherization applications to reduce incoming thermal radiation in summer and loss in winter. When well insulated, a building is: energy efficient and cheaper to keep warm in the winter, or cool in the summer. Energy efficiency will lead to a reduced carbon footprint.

7. Low emissivity - Wikipedia

   en.wikipedia.org/wiki/Low_emissivity

   Low emissivity (low e or low thermal emissivity) refers to a surface condition that emits low levels of radiant thermal (heat) energy. All materials absorb, reflect, and emit radiant energy according to Planck's law but here, the primary concern is a special wavelength interval of radiant energy, namely thermal radiation of materials.