Sound insulating windows can be achieved through methods such as adding soundproof window inserts, using heavy curtains, or applying acoustic caulking to seal gaps. These solutions help reduce outside noise and improve indoor comfort without the need for full window replacement, providing a quieter living environment with minimal changes to your existing windows.

The best way to sound insulate windows involves using window inserts designed to block out noise, applying acoustic caulking to seal gaps around the window, or hanging heavy curtains that absorb sound. These methods can significantly reduce noise levels from outside, making your home quieter and more comfortable. For optimal results, a combination of these solutions can be used, especially if you live in a noisy urban area or near traffic.