No duct work No problem! No longer does a lack of ductwork mean a lack of comfort. A ductless system from Hi-Ho is perfect for those who are looking to experience the comfort of central air without the eyesore that comes with a window unit. Environmentally friendly, and extremely efficient, ductless systems are perfect for cooling just a single room or an entire home. So, if you’re interested in energy-efficient air conditioning that can be integrated seamlessly into virtually any floor plan, a HiHo comfort specialist is ready to help.