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These coatings are placed on the inner pane of glass, on the outer face if less solar heat gain is desired, and on the inner face if more solar heat gain is desired. Especially when combined with double-or-triple-paned windows, the R-values achieved with low-e coatings can be quite high, with a 3-paned window filled with argon with one low-e ...
A typical window insulation film kit, consisting of plastic shrink film (folded-up) and a roll of double-sided tape. One commonly used film is a heat-shrink plastic which is attached to the window frame using double-sided pressure-sensitive tape. A hair dryer is used to remove creases and improve optical clarity.
is the heat recovery efficiency - (typically around 0.8 with heat recovery and 0 if no heat recovery device is used). The temperature differential needed between indoor and outdoor air for mechanical ventilation with heat recovery to outperform natural ventilation in terms of overall energy efficiency can therefore be calculated as:
Passive cooling covers all natural processes and techniques of heat dissipation and modulation without the use of energy. [1] Some authors consider that minor and simple mechanical systems (e.g. pumps and economizers) can be integrated in passive cooling techniques, as long they are used to enhance the effectiveness of the natural cooling process. [7]
The first commercially available screen heating system was developed in 1947 by F.R. Hannon & Sons (now Hanco International (), and Thomas W. Hannon obtained a patent for his electrically heated screen construction and method Archived 2017-02-11 at the Wayback Machine Archived 2017-02-11 at the Wayback Machine Archived 2017-02-11 at the Wayback ...
Ceiling-mounted: Mounted in the ceiling between the attic and living space. Ducted: Remotely mounted away from the ceiling, typically hung from the rafters; can exhaust heat from multiple locations; operation is usually quiet compared to traditional whole-house fans. Window-mounted: Mounted in a window frame. Can also take cool air in from outside.
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