MI Windows and Doors


Good Housekeeping ENERGY STAR U.S. Green Building Council

Brands That Build MI Windows and Doors

Capitol BetterBilt Insight Xact

Now the Capitol, BetterBilt, Xact, and Insight sub-brands will simply be known as MI Windows and Doors. We'll still have the same quality vinyl, aluminum and cellular products, but an utterly uncomplicated way of talking about them.

SIMPLIFY.