a high temperature then tumble dry them also at a high temperature. if it’s a hot and sunny day, you can leave them out to dry naturally.
vacuum your carpet regularly to remove all sorts of hidden pests. aside from vacuuming, you also need to get professional cleaning for your carpet at least once a year.
as soon as you get home, make sure to change your clothes before lying on your bed because all the dirt and bacteria that are on your clothes from outside will go to your bed.
a bed bug problem is quite annoying so it’s very important that they can’t get to your bed in the first place. 