Answer: Most residential customers clean their valuable floor coverings, drapes or upholstery at least once per year.
Depending upon the amount of traffic on your surfaces, you may opt to clean more frequently (e.g., two times per year).
Some carpet warranties may be voided if the carpet has not been properly maintained.
They usually require you to have them serviced every 12-18 months.
Waiting too long to clean carpets can permanently damage the fibres and appearance.