Doing a thorough evaluation of the current system set up. The house is in the neighborhood of square footage over 2000 ft.² The current old system, it is a 3 ton system in the house. Doing a load calculation on the house. Total of the square footage and the lack of insulation in the attic strongly. Recommend need to improve the insulation in the attic. Needs a total of capacity 4 tons of cooling and heating heat pump. The air returns on the current system does not have enough return to be able to give the system the capacity what it needs. Need to add an air return towards the front bedroom to be able to pull the air across the house. Needs roughly a 14 inch ductwork. Filter grill will be installed at the ceiling. Will be using the existing ductwork in the house. The house is being used for a dog kennel. Strongly recommend air filters need to be replaced every two weeks to make sure to keep the system clean. Talking to the customer on the phone. If the customer moves forwa