Q: How often should I have my vacuum serviced? A: On average household vacuums should be cleaned once a year. In some cases (heavy usage, larger area) homes may require more frequent cleaning of their vacuum. Q: How often should I have the vacuum belts changed? A: Belts should be changed once every 6 months as a part of regular maintenance. Belts that shows visible dirt or soiling should be cleaned to avoid dirt building up and causing burnt out.   Q: How can I keep my vacuum working strong? A: Regular cleaning of airways and bag changing. We also recommend that you have your vacuum professionally cleaned once a year. Q: Do you guarantee your work? A: Cleaner World repair services stand behind each job. If for any reason you are unhappy with our services, we encourage you to let us know.  Our work is 100% satisfaction guarenteed. Please call 1800-395-9402 for help or any questions you may have.