Ventilation system filter efficiency
LEED·clause Strategy 4. Filtration of Recirculated Air·p.119
Klar Cite’s name for this clause. The publisher’s own heading may not be shown.
The requirement
LEED v4.1 Building Design and Construction Rating System clause Strategy 4. Filtration of Recirculated Air — words not shown. Read it at the source. The held copy is a single-user licence and does not extend to republishing its clauses.
The clause is held and verified. Only its words are withheld.
Klar Cite classification — not the standard’s words
Addresses: air quality in recirculated spaces
written by a model, checked against the clause
What the product must meet
- Applies to
- New Construction, Core & Shell, Schools, Retail, Data Centers, Warehouses & Distribution Centers, Hospitality, Healthcar
- Exemptions
- Data Centers only: The above filtration media requirements are required only for ventilation systems serving regularly occupied spaces.
How it is proven
- Who checks it
- Independent body verifies — a certifier, auditor or verifier with no stake
How Klar Cite classifies it
Klar Cite’s reading of the clause, not the scheme’s own claim.
- What it asks
- Meet — a limit, condition or outcome the product must satisfy
- Standing
- Required — must be met for the credential
- Impact area
- Human Health — the CMF area the clause addresses
Cite this clause
LEED · LEED v4.1 Building Design and Construction Rating System · version v4.1 · clause Strategy 4. Filtration of Recirculated Air · page 119 · build 2026-10-05-0439 · https://klarcite.com/r/732dea49cea06c57
Record details
Page 119. Read in build 2026-10-05-0439, harvested 2026-10-05.
uid 732dea49cea06c57 · document 735b8f7d282ce93c · fidelity verbatim · published 2025-02-01