A low-E film does. XPEL's All Season Intelligence 65 reflects part of the indoor heat back into the room in winter, while blocking solar heat in summer.
Most solar films are designed for summer. A low-emissivity film adds an insulating effect during the cold season, which matters in Montreal. According to the XPEL spec sheet, All Season Intelligence 65 has an emissivity of 0.09 and keeps about 66% of visible light.
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