Project: PAC EneRVent Wall-Mounted Energy Recovery Ventilator Client Type Residential Details The toxic haze situation in Chiang Rai remains severe, impacting health and making breathing difficult as PM2.5 levels exceed safety standards. The client chose to install the PAC EneRVent Wall-Mounted Energy Recovery Ventilator, which features a 3-stage filtration system with a HEPA filter. After installation, PM2.5 levels decreased significantly, resulting in fresh indoor air and improved health.
