Yes, HVAC systems can be equipped with HEPA (High Efficiency Particulate Air) filters. HEPA filters are designed to capture and remove particles from the air, such as dust, pollen, and other allergens. They are typically installed in the return air duct of the HVAC system, and can be used to improve indoor air quality. HEPA filters are also more efficient than standard filters, as they can capture particles as small as 0.3 microns.