Picked up the material for the job at Apex Supply Marietta, TE Certified Kennesaw, and TE Certified Roswell. (Apex receipt on the Warranty Form) Arrived at the customer’s home to complete quoted repairs. Performed repairs on the main floor system. Removed the old dirty return plenum from the unit and unwired the iWave Ionizer. Removed the 1” filter cabinet. Installed a brand new AprilAire Model 1100 media filter cabinet. Installed a brand new metal return plenum onto the filter cabinet. Cut in the 8” and 12” return ducts and secured them with screws, tape and mastic. Re-installed the iWave Ionizer, this time cut into the plenum and secured with screws and made sure it has its own dedicated transformer. Ensured the plenum and media filter cabinet were completely sealed with tape and mastic. Removed the oversized 30A breaker for the outdoor A/C at the panel and replaced it with a 20A breaker. Performed repairs on the upstairs system. Replaced the burnt-out UV light with a replacement