Completed the installation of a whole-home air purification system to improve indoor air quality. Installed an Aprilaire Model 5000 electronic air cleaner, which uses advanced filtration to remove particulates, allergens, and pollutants from the air. Integrated the system with the existing HVAC unit for seamless operation. Tested the system to ensure optimal performance and explained maintenance procedures to the homeowner. This installation will significantly enhance indoor air quality, providing a healthier living environment. Regular filter changes and periodic inspections are recommended to maintain system efficiency.