What is Ductless?

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What is Ductless?

Air Care Systems, Inc. is proud to be providing ductless air conditioning and heating services to our customers in Cocoa, Titusville, Melbourne, FL, and the surrounding areas. All of our technicians are trained and certified so you can rest assured that you are putting your AC or heater project in the right hands. Contact your local experts today!

ductless Ductless systems, often referred to as mini-splits or multi-splits, were founded in the 1970’s by its Asian manufacturers and are in wide use all around the world today—yet until the last ten to fifteen years, they were relatively uncommon in the United States. Today, Air Care Systems, Inc. offers ductless air conditioning and heating as its primary and smartest solution for your home and business and there are many reasons why we consider ductless as the number one choice for many homeowners. Energy efficiency, cost savings, improved indoor air quality, eco-friendliness and its ease of use and integration into any home or business are just a few of the features that have furthered the advancement of the ductless system into the 21st century.

How Ductless Works?

Ductless Ductless systems can replace the traditional central ducted system and work in much the same way as the traditional air conditioner or heat pump.

  • Outdoor condensing unit
  • Indoor air handler/evaporator (fan coil)
  • An approximate 2.5-3” conduit that accommodates the power (wiring), refrigerant line sets and a PVC condensate drain

The condenser is installed outside the home or business typically on top of a hurricane rated concrete pad or a code approved surface. The conduit is then run from the outdoor unit to the individual room within the structure that you choose, even an attic or garage. Depending upon the system design the use of wall-mounted interior units, ceiling mounted units, recessed fan coils, floor mounted are then installed and secured in the appropriately desired spaces to control cooling, heating, and humidity as needed.

Advantages of Ductless


According to the E.P.A., “typically a leaky duct system can lose 20%-40% of the energy that you pay for to heat and cool your house”. Ductless systems eliminate the need for a duct system and thereby eliminate energy losses through ductwork.

True zoning is achieved and less energy wasted heating and cooling unoccupied areas because indoor environments can be easily managed by zone. Combined with the concept of zoning, the advanced technology of inverter compressor, ductless systems are extremely energy efficient up to 30.5 S.E.E.R. for some models. The result is desired temperature and humidity levels reached quickly an maintained evenly for better comfort, efficiency, and energy savings. INVERTER-driven compressors in the outdoor unit maximize efficiency by automatically changing its speed to match the cooling and heating needs of a room. This technology allows the compressor speed to ramp up quickly to cool or heat a room (or multiple rooms) and reduce the compressor speed to maintain the ideal comfort level while using less energy. This innovative system differs from conventional systems, which start and stop repetitively causing temperature variations and wasting energy.



ductless Unlike conventional unitary systems that distribute either the cool or warm air throughout the entire house based on the temperature setpoint of a localized thermostat, ductless systems manage and maintain environments individually with remote, handheld thermostats, individually controlling the temperature and airflow for each room or “zone”. Prefer a “conventional” style wall mount programmable thermostat, options are available based on models installed.

In certain models of multi-zone ductless systems, a single condenser connected to multiple indoor units or fan coil units allows heating and cooling to be directed precisely where it is desired, wasting less energy by not heating and cooling unoccupied areas. Now, temperatures can be simultaneously set according to each individual preference, allowing one room to be cooler or warmer than another.


The indoor and outdoor unit of a ductless system is well, whisper quiet. So quiet, that you may think it is not running. Comparatively speaking, a ductless system operates between 19 and 46 db’s. The Some indoor units can operate as low as 19dBs: quieter than a human whisper. While outdoor units operate as low as 46dBs, quieter than a refrigerator; whereas a traditional residential heat pump unit runs around 75dBs, equivalent to heavy traffic or a vacuum cleaner.



Ductless systems use no ducts. However, certain models of fan coils do allow some minimal ducting options as an adjunct to the system design allowing ducting to bathrooms and laundry as needed.


It’s a fact that surprises many people. The air quality inside your home is often worse than the air quality outside. Depending on model and brand some units include advanced filtering systems such as carbon activated filters, electrostatic filters, or anti-bacterial filters. ductless indoor air air quality ductless filtrationMany units include more than one filter technology. The advanced filtration technology of ductless systems combined with the ability to eliminate the use of ductwork ensures safe, clean and healthy air for you and your family. UV lights placed inside the fan coil cabinet to treat passing air and keep the fan coil free of biological growth have become available most recently within the past 1-2 years.


Possible applications available for ductless systems are almost endless. Initially developed to replace the ultra- noisy, energy robbing, unsightly window unit, ductless units have now become the choice of homeowners and business owners as the primary source of heating and cooling systems. Ductless systems possess an affordable option to window units with superior efficiency, whisper quiet operation and slimline cabinets make it aesthetically pleasing to the eye and blends into any décor.

Most common ductless applications include but are not limited to:

  • Whole House
  • Manufactured homes, mobile homes, and factory-built homes
  • Site-built homes- new construction and retrofit
  • Apartments, condos, and dormitories
  • Hotels, motels, cabins, restaurants
  • Modular buildings
  • Commercial new construction and retrofit and build-outs
  • Theater rooms, computer rooms, master bedrooms, porches, sunrooms
  • Garages and workshops
  • Recreational rooms and gyms
  • Assisted Living facilities, nursing homes, medical offices
  • Hair salons and barber shops
  • Homes and buildings where access for ductwork is limited or unavailable
  • And many others

Schedule a FREE in-home consultation for the correct ductless solution for your home or business.