What Does “Built Environment” Mean?  When you step into a hospital, classroom, office, or airport, you’re entering what experts call the built environment—the human-made spaces where we live, work, and interact. These are the physical settings shaped by design, construction, materials, and maintenance practices that influence everything from productivity to public health.  But the meaning of “built environment” goes deeper ...

When you think of an indoor air quality system, you might picture HVAC filters or air purifiers—but clean air starts long before that. Proper cleaning, maintenance, and facility management all work together to make these systems truly effective.  The air inside homes, schools, and workplaces can be up to five times more polluted than outdoor ...