Would wildfire ash deposited indoors need separate cleanup despite operating the filter?
Last reviewed: .
Would wildfire ash deposited indoors need separate cleanup despite operating the filter?
A filter acts on the air that passes through it, and it does not reach a surface or a source.
Under wildfire smoke and ultrafine particles, the Validation page names LMS Technologies, Report LMS#9904, 28 April 2025, a single-pass fractional efficiency test on a 24 × 24 × 2 in. pleated air filter in an ASHRAE 52.2 test duct, in accordance with standard LMS aerosol test procedures. The label states: “This filter treats the air that passes through it.” It also states: “It works alongside ventilation and cleaning, not in place of them.” and “Results in a building depend on the system, the airflow, and how well the filter fits its track.” The filter captures airborne particles mechanically and by electrostatic attraction. A filter does not reach a surface, a deposit or a source.
Source: NanoFlashing™ Air Filter label; C-POLAR — Validation, https://cpolar.tech/validation/; C-POLAR — Terms of Use, section 3, https://cpolar.tech/terms/.
Reviewed on .
Sources
- NanoFlashing™ Air Filter label
- C-POLAR — Validation
- C-POLAR — Terms of Use