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  2. Insulated glazing - Wikipedia

    en.wikipedia.org/wiki/Insulated_glazing

    A window with insulating glass is commonly known as double glazing or a double-paned window, triple glazing or a triple-paned window, or quadruple glazing or a quadruple-paned window, depending upon how many panes of glass are used in its construction.

  3. Window insulation - Wikipedia

    en.wikipedia.org/wiki/Window_insulation

    The proportion of glass fibre in the profiles is 25%. The material used for this insulating bar stands out for its low thermal conductivity value (0.30 W/m2K) and its good mechanical properties even at higher temperatures. A non-thermally-separated frame from an aluminum window has a thermal transmission coefficient of 6.8 W/m2K. If the system ...

  4. Quadruple glazing - Wikipedia

    en.wikipedia.org/wiki/Quadruple_glazing

    The desired overall window thermal transmittance value of lower than about 0.4 W/(m 2 K) is possible without having to depend on modulated external shading. A study by Svendsen et al. showed that at such low window U-values, glazing with moderate solar gain performs comparably to glazing of comparable U-value with variable external shading and ...

  5. Window insulation film - Wikipedia

    en.wikipedia.org/wiki/Window_insulation_film

    A film is attached to the window frame to trap a pocket of air between the glass and the film, creating a double-glazed system with an insulating gap of still air. Thermal conductivity of still air is 0.024 W/(m.K) and much lower than that of glass (0.96 W/(m.K)). [1]

  6. 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 ...

  7. Window film - Wikipedia

    en.wikipedia.org/wiki/Window_film

    The ceramic and metallic window films usually cost 50-100+ percent more than regular window film but they can reduce energy transmission by as much as 80 percent. [4] Ceramic window films cost slightly more but provide a substantial increase by reflecting and absorbing infrared radiation (IR or radiant heat).