Why Semco?

There’s no better way to add curb appeal to your home than with Semco windows and patio doors. Semco’s consistent sight lines, superior craftsmanship, and classic architectural styles provide timeless beauty.

Your home is probably the single largest investment you will make in your life. Windows and patio doors are both integral parts and some of the most distinguishing features of a home. Semco windows and patio doors are the right choice for lasting reasons.

Solid Construction

Semco windows and doors are built to be beautiful and to provide years of trouble-free service. Only the finest materials are selected, machined, and carefully assembled to create every Semco window and door. Our care and dedication to manufacturing only the finest windows and doors will be evident each and every time you open or close one of our windows or walk through one of our doors.

The Beauty of Real Wood

There’s no substitute for the look of real wood. Only real wood gives you that unique feeling of warmth and comfort. Both Semco quality latex primed exterior and clad exterior units give you the classic, timeless appeal of wood and glass inside your home.

Energy Efficiency

Semco goes beyond traditional energy efficiency measures with features like dual pane glazing sealed twice for lasting integrity and foam filled sill envelopes for added insulation. Semco windows and patio doors give you year-round comfort.


Precision manufacturing means Semco windows and patio doors operate smoothly year after year. Features like low maintenance extruded aluminum cladding and available powder coat finish in a variety of colors maintain a beautiful and durable exterior. Semco’s warranty underscores a performance advantage that gives you peace of mind.