Let’s hear from Robin coordinator of Chelsea Window Cleaning a commercial window washing company in New York City who opens a window into what it takes to be a member of the crew. So grab your wand tighten your safety harness and let’s go.   What type of training does it take to be a window washer? The good news about window washing is you learn on the job. A pro will pair up with the new guy to show him the “ropes.” The training that is crucial to this job is the International Window Cleaning Association (IWCA) courses on safety. All employees are required to undergo regular training and attend safety meetings and we regularly inspect all equipment.