We always use the most environmentally safest and quality effective cleaning methods while cleaning your workplace. This is why we use a pure water window cleaning system. This provides a cost-effective, chemical-free clean for your windows without streaking or spotting. Our system gives the best results without harming the environment and at the same time, creating a healthier clean for your work space. Our pure water window cleaning system works by filtering water through a DI (deionized) tank.