Service Call Platinum Client signed customer up on cozy maintenance plan for two systems, customer wants duct cleaning done on both systems.quoted pricing, customer accepted and scheduled cleaning for January 11. performed Platinum maintenance check on both heating and cooling. found blower capacitors failed in both units. one capacitor failed on AC. customer declined repair on AC capacitor at this time. upstairs furnace under returned. 3 ton system has 4 8" flex returns pulling thru 12*12 grilles. recommend upsizing to 10" flex and 14*14 grilles. spoke to customer about filter cabinet upgrades on both systems customer may be interested in them at a later date