If a contractor is going to be coming onto your property to do any type of installation, you first want to verify that they have an up-to-date license and insurance. Insurance can protect you in the case of an accident, while a license demonstrates that they are trained professionals with experience handling sump pumps. Ideally, you want to hire a contractor who has certification in waterproofing. Classic Aire Care handle sump pump installation. Visit ClassicAireCare.com for more information!