Performing indoor air quality assessment for a customer with respiratory sensitivities. Using particle counter to measure PM2.5 and PM10 particulate levels, CO2 monitor for ventilation adequacy, and humidity sensors throughout the home. Results show elevated particulate matter in bedrooms and excessive humidity in basement areas. Recommending multi-stage filtration system with MERV 13 filter, UV air purification component for microbial control, and zoned dehumidification system. These improvements will significantly reduce allergen load and create healthier breathing conditions throughout the residence.