The failure of the window seals, which results in a significant loss of energy efficiency and spikes in heating and cooling costs, is clearly indicated by feeling draughts or noticing air leaks around your windows. To increase insulation and maintain a constant internal temperature, replace your windows if you notice an air leak or feel a draught. To learn in detail visit the blog post about the signs your windows need to be replaced. Blog Post-https://connectgalaxy.com/read-blog/7712_signs-your-windows-need-to-be-replaced.html