Find out why the MI EnergyCore™ Window System with AirCell™ PVC frame technology is so energy-efficient, stronger, more secure, quieter, with traditional style.
The MI EnergyCore™ frame is much more energy efficient:
- 6X Better than fiberglass
- 4X Better than rigid PVC
- 3X Better than wood
Interested in becoming a dealer? We are looking for window and door professionals who like to save their clients' money with energy efficient windows and doors.