Lennox air handler will need to be slide back 22 inches to be able to replace heat pack. High voltage wire will need to be extended with large junction box and 30 inches of 6/2 wire. System will need to be pumped down to extend line set, than pressure tested and vacuumed down to 500 microns. Custom return box will need to be ordered and made, size dimensions are in pictures. Custom supply plenum will need to be built by installers on site and wrapped in bubble wrap insulation. Drains will also need to be cut and extended. Coleman air handler will need to be slide back 12 inches to be able to replace heat pack if ever failed. (2) 10 inch round return pipes will need to be extended with 10 inch hard round pipe about 12 inches each and then wrapped in bubble wrap insulation. System does not need to be pumped down line set and high voltage wire should reach. Customer wants estimate to move Lennox air handler back by itself and than an estimate to move the Lennox and Coleman air handler b