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Window film is not just for summer: cutting winter heat loss
The same low-emissivity coating that rejects summer heat also slows winter heat escaping through glass.
In winter, glass is the weakest thermal point of a facade. Heat-retention grades of window film add an insulating layer that reflects indoor radiant heat back into the room.
For hotels, offices and homes with large west or south glazing, one film addresses both seasons: less cooling in summer, less heating lost in winter — and the payback calculation covers the whole year.
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