Unlike conventional HVAC systems that use bulky, inefficient ductwork, our ductless mini-split systems consist of a small outdoor unit that can operate up to eight independently controlled indoor units without the need for ducting. Talk about great service! Nicole called me 5 minutes after I sent this mail and scheduled my appointment and confirmed that I had dialed the wrong number, and made sure that I have the correct number now, and assured me that your staff will be in protective gear to protect me when they come to my home.