The units of measure for the Air Infiltration Value field.
Data Type:
Constrained List
Category:
Unit of Measure:
None
Sector:
Commercial, Residential, Multifamily
Air Infiltration Value Units
| List Options | Option Definition | Unit of Measure | |
|---|---|---|---|
| ACH | Air changes per hour | None | |
| ACH50 | Air changes per hour at 50 Pascals (Pa) pressure | None | |
| ACHnatural | Air changes per hour at natural air leakage rate | None | |
| CFM | Cubic feet per minute | None | |
| CFM25 | Cubic feet per minute at 25 Pascals (Pa) | None | |
| CFM50 | Cubic feet per minute at 50 Pascals (Pa) | None | |
| CFM75 | Cubic feet per minute at 75 Pascals (Pa) | None | |
| CFMnatural | Cubic feet per minute at natural pressure | None | |
| Effective Leakage Area | Total area of all the gaps and cracks in a premises which contribute to infiltration. It is usually calculated in the U.S. at 4 pascals | None | |
| None | None | None | |
| Not applicable | Not applicable | None | |
| Other | Other | None | |
| Unknown | Unknown | None |
Term ID: 06aa5aca-890c-4b24-965a-edad902f16c6
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