It depends. Does he have a large enough service to support these rather large tools? Phase adders work well, but not often used in other than industrial applications.
100 amp sub panel to the garage. 200 amp main on the house.It depends. Does he have a large enough service to support these rather large tools? Phase adders work well, but not often used in other than industrial applications.
I think he did say it was 25hp. Sounds like it's not doable with what he has available.A sander that size can be up to 25hp. The service may not be able to handle the startup surge.