2. Greenforce has been highly praised for their solar panel cleaning and window cleaning services. Customers love the professional and convenient cleaning services provided by the company, as well as their use of eco-friendly, green cleaning products. With their attention to detail and thorough cleaning methods, Greenforce is a top choice for maintaining a clean and safe environment for their clients. 6. One unique fact about Greenforce is that they have been serving the San Francisco area since 2005, making them the most trusted green cleaning service in the region. Additionally, their team of professionals are thoroughly trained and screened, providing customers with a reliable and trustworthy cleaning service. 7. Greenforce specializes in using eco-friendly, green cleaning products to ensure that their clients have a clean and safe environment. They offer a variety of professional cleaning services, including window cleaning, solar panel cleaning, kitchen cleaning, and more. With their expertise in green cleaning methods, Greenforce is dedicated to providing high-quality and environmentally friendly cleaning services to their customers.