How many years should a comforter last?
When to Toss Them: 15 to 25 years. Luckily, we can expect comforters to last longer. “Because it doesn't have to support weight the way pillows and mattresses do,” according to Stewart, “your comforter should last 15 to 25 years if you keep it covered and air it regularly.” No way you'll remember how long you've had it ...