Learn All the Pros and Cons of Ductless HVAC Systems

Ductless HVAC systems provide an increasingly popular alternative to window units for individual rooms or installing costly ductwork to heat or cool an entire house. Industry statistics show that ductless HVAC sales have increased by more than 200% during the past seven years.

Consisting of a compact outdoor unit about the size of a large suitcase, the system also includes a low-profile, wall-mounted indoor coil/blower-fan unit that disperses coolness or heating into a room or other limited zone. The outdoor and indoor units are connected by a narrow refrigerant conduit that requires only a three-inch hole in an exterior wall.

Like any heating and cooling system, ductless HVAC technology includes benefits as well as a few drawbacks:


  • No ducts? No problem. If you’re living in an older house that was built without ductwork or you’re adding an extra room to your home, the ductless HVAC option brings cooling and heating to any room — or multiple rooms — via a quick installation process without the costly and labor-intensive project of installing ducts.
  • Temperature variety. As many as eight ductless, indoor wall units can connect to a single outdoor unit while providing independent temperature control in each room.
  • Cooling and heating from one unit. Heat pump technology consolidates air-conditioned cooling as well as heating into a single, downsized unit. You won’t need to integrate a separate furnace to provide comfortable heat during winter.


  • Higher upfront purchase price. When calculated according to BTU capacity, the price of ductless HVAC systems tend to be more expensive than a conventional central air conditioner plus a furnace that’s connected to ductwork.
  • The indoor unit is conspicuous. The wall-mounted indoor air handler is typically mounted high on a wall to provide maximum air circulation. It’s not nearly as conspicuous as a window AC unit, but it’s noticeable and can’t really be concealed.
  • More-frequent maintenance. Multiple individual room units means multiple air filters have to be cleaned, typically on a monthly basis.

For more help to make an informed decision about ductless HVAC options, ask the professionals at Paitson Bros. Since 1922, we’ve been your Wabash Valley source for the latest heating and cooling technology.

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