newsweek.ro/timp-liber/cum-reduci-facturile-la-inc

Applying a transparent insulating film on windows can significantly reduce heating bills by maintaining warmth indoors. This method is particularly effective for older windows, creating an airtight barrier that minimizes heat loss. A TikTok user shared her positive experience, noting substantial savings over three winters, although individual results may vary. Proper installation is crucial for effectiveness, and while this solution is temporary, it can enhance comfort until more permanent insulation improvements are made. Experts suggest that savings can range from 5% to 10%, depending on the home's characteristics and existing insulation.