Weatherstripping is basically a strip of material that makes the seal tighter between the window or door and its frame.
Foam sweeps are best for swinging doors while rubber is best for sliding doors. You could also make your own by stuffing socks or tights with fabric and then sticking it to the door.
Even in newer buildings, the insulating caulking can perish after about 5 years or so. This is a big culprit for airflow that’s pretty easy to overlook.
Installing shutters might seem like overkill, but it’s an easy way to add another layer of insulation. Of course, they do come with the disadvantage of blocking light.
Hopefully, you’ve now got enough information to make your rooms much cozier in the winter. If you want to learn more, check out the full guide on my website.
Visit balconyboss.com for more ideas!