Top 20 Interview Questions & Answers for Window Cleaner Roles - 2025

Preparing for a window cleaner job interview? This guide provides a list of essential questions and answers that will help you showcase your technique, experience, and knowledge of window cleaning equipment. Whether you're applying for a residential or commercial window cleaning position, these questions cover all key areas of the job.

General Questions

• 1. Tell me about your previous experience in window cleaning.
  I have worked as a professional window cleaner for 5 years, and during this time I have gained experience in both residential and commercial settings. I am familiar with different types of windows and can adapt my technique accordingly.
• 2. How do you ensure safety while working at heights?
  I always wear appropriate safety gear such as a harness and helmet when working at heights. I also check the stability of the ladder or platform before using it and secure it properly. I am also aware of my surroundings and avoid any potential hazards.
• 3. How do you handle difficult or dirty windows?
  I use a variety of techniques and tools such as a scraper, steel wool, or specialized cleaning solution to remove tough dirt or grime from windows. I also make sure to rinse the windows thoroughly to avoid streaks or residue.
• 4. How do you tackle high windows or windows that are hard to reach?
  For high windows, I use an extension pole or ladder depending on the height. If the window is hard to reach, I use a squeegee with an angled head or a specialized tool like a water-fed pole system.
• 5. How do you handle a customer complaint about your cleaning?
  I always strive to do my best work, but if a customer is not satisfied, I listen to their concerns and try to find a solution. I may offer to redo the cleaning or provide a partial refund if necessary.

Technical Skills & Experience

• 6. What tools and equipment do you use for window cleaning?
  I use a variety of tools such as squeegees, scrapers, scrubbers, and cleaning solution. I also use an extension pole, ladder, or water-fed pole system to reach high or hard-to-reach windows.
• 7. Can you walk me through your process for cleaning a window?
  First, I clean the window frame and sill with a cloth or brush. Then, I apply the cleaning solution to the window with a spray bottle or sponge, and use a squeegee to remove the solution and dirt. Finally, I wipe the edges and sills with a cloth for a streak-free finish.
• 8. How do you handle various types of glass, such as stained or frosted?
  I apply a different cleaning technique for each type of glass. For stained glass, I use a soft cloth and gentle cleaner. For frosted glass, I use a squeegee with a replacement rubber blade to avoid scratching the surface.
• 9. Have you ever encountered a safety hazard while working on a job? How did you handle it?
  Yes, there was a time when the ladder I was using became unstable. I immediately stopped working and secured the ladder properly. I also communicated the incident to my supervisor and requested a replacement ladder for future use.
• 10. How do you maintain your tools and equipment?
  I regularly clean and inspect my tools and equipment to ensure they are in good working condition. I also replace worn or damaged parts as needed to maintain safety and efficiency.

Behavioral Questions

• 11. How do you handle a tight deadline or an unexpected increase in workload?
  I prioritize tasks and work efficiently to meet the deadline. If necessary, I communicate with my team and delegate tasks to ensure all work is completed on time. In the case of an unexpected increase in workload, I remain calm and focused, and adjust my schedule accordingly.
• 12. Tell me about a time when you had to deal with a difficult customer.
  I had a customer who was not satisfied with the initial results of my cleaning. I listened to their concerns and offered to redo the cleaning. I also explained my technique and why I believed it would be effective. In the end, the customer was satisfied with the results and became a loyal client.
• 13. How do you handle conflicts with a co-worker or supervisor?
  I always try to resolve conflicts through open and respectful communication. If necessary, I involve a supervisor to mediate the situation. I believe in maintaining a positive and professional work environment.
• 14. Tell me about a time when you had to troubleshoot a problem with equipment.
  Once, the squeegee I was using kept leaving streaks on the windows. I tried cleaning the blade and adjusting the pressure, but the problem persisted. I eventually realized that the rubber blade was worn and needed to be replaced. I quickly replaced the blade and was able to continue working efficiently.
• 15. How do you handle repetitive tasks or tasks that require attention to detail?
  I understand that these tasks are essential for achieving a high-quality result. I take breaks as needed to stay focused, and I use a checklist to ensure I do not miss any steps. I also stay organized and keep track of my progress to avoid making mistakes.

Situational Questions

• 16. How would you handle a situation where you are running late for a job?
  I would immediately communicate with the client to inform them about the delay. I would also provide an estimated arrival time and apologize for any inconvenience caused. If necessary, I would reschedule the appointment at a convenient time for the client.
• 17. Imagine you are working on a high-rise building and your ladder breaks. What would you do?
  I would immediately try to secure the ladder and call for help. I would also communicate the situation to my supervisor and request a replacement ladder. In the meantime, I would wait on the building until help arrives.
• 18. How would you handle a situation where you notice damage to a window after you have finished cleaning it?
  I would immediately take photos of the damage and inform the client about the situation. I would apologize and offer to cover the cost of the repairs or replacement. I would also make sure to communicate the incident to my supervisor and make any necessary changes to prevent it from happening again.
• 19. How would you handle a situation where you need to work around sensitive or valuable items near a window?
  I would communicate with the client and ask about the best way to clean the window without risking damage to the items. If necessary, I would ask the client to move the items to a safe location, or I would use extra caution and protective measures while cleaning.
• 20. How would you handle a situation where you do not have access to water or electricity on a job site?
  In this situation, I would use a water tank or bring my own water supply. If possible, I would also use a battery-powered squeegee with rechargeable batteries. If electricity is unavailable, I would use a manual scrubber or cleaning solution and cloth to clean the windows.