We use Zep's Ammonia-Free Glass Cleaner. We believe Zep is The cleaning solution for windows. Why? It's ammonia free, streakless, safe on tint, extremely affordable, pleasantly scented, and clears away residue on any surface. We're betting that if you buy a gallon of this concentrate you'll say good bye to windex for life. You can find this product and other Zep products, at your local Home Depot or Grainger. Learn more about Zep 

Looking for a cleaning product for your business, home, or industry. Zep does it all, check out this video below.