The 4 areas of your home pros say to always insulate to keep it toasty in colder weather – plus, where to never insulate

Snow storm in Northwest United States with residential home in background.

Knowing where to insulate your home will keep it feeling cozy and snug throughout the colder months.

We talked to the experts about the six areas of the home people should focus their insulating efforts on, as well as their advice on where to avoid to avoid problems down the line.