Cleaning Frequency Guide
| Environment | Normal |
Contaminated outside Dusty |
Extremely Cold Weather Climates |
High Humidity Biogenic |
| Day Care Center | 2 weeks |
1 week |
2weeks |
1 week |
| Nursing Homes | 1 Month |
1 Month |
1 Month |
1 week |
Residence: 
| 2 person, non-smoking | 6-12 Months |
2 Months |
4-6 Months |
4-6 Months |
| 2 person, smoking | 4 Months |
2 Months |
3 Months |
4 Months |
| Young Children | 6 Months |
1Month |
3 Months |
3 Months |
| Young Children w/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 |
Other: 
| Food Service Establisments | 1 Month |
1 Week |
2 Weeks |
2 Weeks |
| Commercial (Retail Shops, Banks) |
3-6 Months |
1 Month |
2 Months |
2 Months |
"A healthy environment for your home is our goal"
Source: U.S. EPA Letter