Vacuum frequently Clean up spills promptly Hire a professional carpet cleaner at least every 12 months

Properly maintained carpets are a major step to improving your indoor air quality.  Your carpet works like a filter; contaminants are trapped in the carpet fibers.  Frequent vacuuming helps remove the loose dirt, however the oily dirt caused by cooking vapors and other indoor contaminants settles in your carpet and attaches itself to the carpet fibers.

Preferred Cleaning Service uses a truck mounted hot water extraction system to remove this trapped oily dirt and restore your carpets' beauty while at the same time improving the indoor air  quality of your environment. Our pre-treatment, spot treatment and rinse are environmentally friendly.  Your children and pets are safe from hazardous chemicals and your carpets are left solvent and residue free.  

and other major carpet manufacturers such as recommend that their carpets be cleaned professionally at least once every 12 months.  Shorter nap carpets such as Berber may need to be cleaned every 6 months where as plush nap carpets need less frequent cleaning.