The Environmental Protection Agency has conducted numerous studies on indoor air quality. Their findings show that regular cleaning significantly reduces pollutants within a structure. More frequent cleanings are recommended for homes where children and pets are present.
CLEANING FREQUENCY GUIDELINE
|
Environment: |
Contaminated Outside, Dusty |
Extremely Cold Weather Climates |
High Humidity Biogenic |
|
|
Day Care Center |
2 weeks |
1 week |
2 weeks |
1 week |
|
Nursing Home |
1 month |
1 month |
1 month |
1 week |
|
Residence |
|
|
|
|
| (2 persons, non-smoking) |
6-12 months |
2 months |
4-6 months |
4-6 months |
| (2 persons, smoking) |
4 months |
2 months |
3 months |
4 months |
| (young children) |
6 months |
1 month |
3 months |
4 months |
| (young children with pets) |
3-6 months |
1 month |
2 months |
2 months |
|
Office Building |
|
|
|
|
| (ground floor) |
3-6 months |
1-4 months |
2-6 months |
2-6 months |
| (higher floors) |
6-12 months |
2-6 months |
3-9 months |
3-9 months |
|
Food Service Establishment |
1 month |
1 week |
2 weeks |
2 weeks |
|
Commercial Building |
3-6 months |
1 month |
2 month |
2 months |
(From – U.S. EPA Letter, January 1989)