Why BetterBilt 100

Find out why the BetterBilt 100 window upgraded to EnergyCore with AirCell™ PVC frame technology is so energy-efficient, stronger, more secure, quieter, with traditional style.

BetterBilt 100 Windows

See why BetterBilt 100 windows are so energy efficient and explore the different window styles available.

See Our Video Library

Watch our videos to see how our BetterBilt windows and doors are made, what components go into them, the story behind MI Windows and Doors and more.

SuperCapSR® Finish

BetterBilt 100 windows are available with the most durable and fade resistant color finish on the market. Military derived technology reflects up to 76% of infrared heat.