A-B.E.S.T. Window

A-B.E.S.T. Window manufactures, sells and installs replacement windows in vinyl, built to handle Maine's climate. The company says it has completed more than 300,000 installations, covering homes, commercial properties and historic preservation projects. Its windows use Low-E glass and argon fill to cut energy use.

A free in-home consultation is offered, and the company has showrooms in South Portland and Brunswick along with a Kennebunk location. Quotes and consultations can be requested through its website or by phone. The business says its own manufacturing keeps prices lower than national brands.