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Each LakeAir brand cleaner provides a level of air cleaning capacity which is measured in cubic feet per minute (cfm). This is determined by the size of the room and the number of air changes per hour. Follow the steps below to help you determine which model will effectively clean your home or workspace.
Pollutant Concentration |
Suggested Air Changes Per Hour |
Typical Application |
Low |
4 - 8 |
Living rooms, bedrooms and waiting areas |
Medium |
9 - 12 |
Computer areas and kitchens |
High |
13 - 16 |
Restaurants, bars and banquet halls |
To Determine Your Needs
Step 1: Measure the size of the area to calculate the volume in cubic feet.
Step 2: Divide the volume by 60. This number represents the air cleaning capacity needed for one air change per hour.
Step 3: Multiply this number by the desired number of air changes per hour to determine the cfm needed to clean your space.
Step 4: Compare the cfm from this equation to the unit(s) you are considering. If the cfm is higher than the rating on an individual unit, you will need more than one unit for the space.
Example
A 15’ X 15’ X 15’ living room
Step 1: 15 x 15 x 15 = 3375 ft3
Step 2: 3375 ft3 / 60 minutes = 56.25 ft3 per minute
Step 3: 56.25 ft3 per minute x 8 air changes per hour = 450 cfm (cubic feet per minute)
Step 4: A LakeAir LA-Table model would be ideal for this space. The LA-Table is available in electrostatic, media filter and HEPA filter models.
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