System is an upflow in closet. Old natural draft furnace. 3 returns down low on each side of the closet, need to be increased for better air flow. New filter stand. 11 supply registers, house has 2 round supply registers that he wants removed. Adding manual dampers to the system to balance air flow. They are in the centers of the room. Mix of duct work in attic hard pipe/alumiflex, tight attic access; garage and master closet. Recommend replacement of system with 17 seer high efficiency heat pump system to be eligible for up to $4000 smud rebate. Financing options uploaded photo of different plans, job price 18500 with a 5000 dollar down total amount of 13500.