Initiative Description: Improve school building by installing heat recovery ventilation.
Study Results: Reduced concentrations of CO2 and PM2.5.
Reference: Ekren, O., Karadeniz, H., Atmaca, I., Urgranli-Cicek, T., Sofuoglu, S.C., & Toksoy, M. (2017). Assessment and improvement of indoor environmental quality in a primary school. Science and Technology for the Built Environment, 23, 391-402.
Level of Evidence: Very Good