EPA Carpet Cleaning Frequency Guidelines

The Environmental Protection Agency (EPA) offers these guidelines, adopted by the Institute of Inspection, Cleaning and Restoration Certification (IICRC), for carpet cleaning frequencies in relation to public health.
 

Indoor Air Quality

Indoor Air Quality is a growing health concern in relation to employee well-being and productivity.

Carpet and upholstered furniture trap and release dirt, mold, mildew, dust mites, and other allergens throughout the day.

Environmental Protection Agency (EPA) states regular and proper carpet maintenance effectively removes pollutants preventing reintroduction into the environment.
Environmental FactorsNormalDusty or Polluted Outside Extreme Cold Weather ClimatesHigh Humidity Biogenic
Day Care Center2 weeks1 week2 weeks1 week
Nursing Homes1 month1 month1 month1 month
Office Building
(ground floor)
3-6 months1-4 months2-6 months2-6 months
Office Building
(higher floors)
6-12 months2-6 months3-9 months3-9 months
Food Service1 month1 week2 weeks2 weeks
Commercial3-6 months1 month2 months2 months