The answer to 'best ductless system' is a high-efficiency ductless mini-split system. Ductless mini-splits are a popular HVAC solution for homes without existing ductwork or that need to add cooling/heating to specific rooms. They offer individual temperature control, energy efficiency, and flexible installation. Key features to look for include high SEER ratings, quiet operation, and smart home integration.
Ductless systems have an outdoor compressor unit connected to one or more indoor air-handling units via small conduits. This allows you to heat or cool just the rooms you need, rather than your entire home. Ductless systems are also easier to install than traditional ducted HVAC, making them a great option for home additions, renovations, or older homes.