The professionals performing the mold remediation service in your home will advise you whether you need to leave your home during the remediation. This decision will be based on the location of the mold and also the scope of the damage.
If multiple rooms and hallways are affected by the mold, then companies will advise households to leave for a few days so they can efficiently carry out the job without causing inconvenience to the day-to-day activities of the family. There may be many workers in the home at once and they might need to turn off your internal heating system to treat the mold, so the living conditions in your home may not be comfortable so moving households temporarily may be the best option.
The company will need to run professional equipment like air dehumidifiers to dry out the rooms, some of which may need to run all night and cause disruptive sleep.
Young children, elderly people, or people with compromised immune systems are also advised to leave the property straight away when you notice the growth of mold in your home.