# Optimizing indoor air quality and noise levels in old school classrooms with air purifiers and HRV: A CONTAM simulation study

> Research article (Journal of Building Engineering, 2023) · cited 19× · AI/ML

**Wikidata**: [openalex:W4367297375](https://www.wikidata.org/wiki/openalex:W4367297375)  
**Source**: https://4ort.xyz/entity/optimizing-indoor-air-quality-and-noise-levels-in-old-school-classrooms-with-air-purifiers-and-hrv-a-contam-simulation-s