The answer to 'when to treat for pest prevention' is to treat for pests on a regular, proactive schedule to prevent infestations. Pest control treatments should be done at least twice per year, typically in the spring and fall when pest activity is highest. This helps eliminate any existing pests and prevent new ones from taking up residence in your home.
Regular pest control treatments are essential for maintaining a pest-free home. Treating on a biannual schedule allows you to get ahead of pest problems before they become unmanageable. Pests like ants, cockroaches, rodents, and spiders are much easier to control when caught early, before they have a chance to multiply and spread throughout your home.