As buildings have become tighter with improved building envelope systems and inoperable windows to minimize energy use, IAQ and IEQ have become primary considerations for professional engineers and architects.

IAQ must be prioritized from both a financial and moral perspective.

Examining common issues and concerns regarding the design, installation, commissioning, and operation of filters.

Owners who reactively implement system changes without regard for secondary consequences will inherit long-lasting cost and performance impacts.

Engineered Infection Prevention mitigation strategies usually include dilution (ventilation), filtration, humidification, and air cleaning and disinfection.