Ductless Split Systems

Why Ductless?


You guessed it – no ductwork. With a Ductless system from Carrier, you don’t need it. Whether you live in a new home or an older home without ductwork or you want more complete year-round climate control over a specific room or area of your home, Ductless systems are an efficient way to expand your comfort, no matter the challenges your space presents.



Single or multi-zone systems. Heating and cooling or just cooling. Whatever your needs, wherever your space, however you use it, Ductless systems offer customizable solutions that are efficient and quiet.


Ductless systems can be configured with either one or multiple indoor units powered by a single exterior compressor.


Ductless air conditioners and heat pumps can be installed so that one indoor unit corresponds to one outdoor compressor. The compressor carries refrigerant and power to the interior unit via a small pipe, running through a small opening, installed with very little impact to your home.


One outdoor compressor can power up to nine indoor units, each separately controlled by a wireless remote, offering you flexible options for configuring your comfort solutions. You can even choose to add units to your compressor in the future after you’ve installed just two indoor units (depending on the maximum number of connectable units), allowing for more streamlined expansion or renovation of your home as time and budget allow.

Benefits of Ductless


No ductwork means no patching, no painting and no hassle. Configuring your Ductless system is simple, with virtually invisible installation that requires only a small hole in the wall to connect pipe from the indoor unit itself to the compressor unit outside. The outdoor compressor unit also provides power to the indoor unit, so there’s no need for additional indoor wiring.


Carrier® Ductless heating and cooling solutions provide efficient ways to keep you comfortable at home.

Carrier Ductless heat pump systems perform in even the most extreme conditions, providing year-round comfort control, no matter what the weather’s like outside. Even at -22° F, select systems can heat at 80% capacity. They can also cool at 100% capacity when the outdoor temperature is 130° F.

Inverter technology ensures that your system provides precise temperature control while only using the energy that’s needed at any given time. The Inverter compressor automatically adjusts its speed to match indoor comfort needs.

Apart from the energy efficiency of the systems themselves, the configuration options that Ductless units offer can also result in greater energy savings. By targeting only the areas of your home you want to heat or cool, you’re not wasting energy on rooms that are not being occupied or don’t get as much use.


Carrier® Ductless systems deliver pinpointed comfort, no matter where indoor units are placed. Want a cooler home office, but a warmer bedroom? No problem. Because units can be controlled separately, rooms can be set to different temperatures, depending on your comfort needs. Ductless systems also operate so quietly that they can be seamlessly integrated without disrupting even the most peaceful of spaces.


Carrier® Ductless systems can be easily integrated into any home, no matter the demands of the space. With endless configuration options, ductless works where traditional HVAC doesn’t and offers easy solutions for rooms without ductwork or with hot or cold spots. Carrier Ductless systems also allow for a long line length between outdoor compressor and indoor units, offering more options for installation as well as low operating noise, so you can enjoy spending time outside on your deck or inside in your living room in peace and quiet. Ductless systems can also be mixed and matched based on the specific needs of each separate space in your home. High wall units can be paired with ducted, console and cassette units, hooked up to a single outdoor compressor for multi-zone systems.


With filters in each indoor unit, Ductless systems provide cleaner air in the rooms where they are installed. With Ductless, it’s not just about controlling air temperature, it’s about controlling air quality. When circulation is contained within a confined space, there’s no cross-contamination of air between rooms.

Fit Any Space


For rooms with hot or cold spots, Ductless systems can provide more complete control, targeting those areas with uneven temperatures for more consistent comfort throughout your whole home.


Older homes weren’t built to accommodate the ductwork that goes along with standard modern heating and air conditioning systems. Carrier® Ductless systems allow you to preserve the integrity of your home’s historic architecture without having to carve out spaces for ducts and vents. For low-profile home comfort, console units can be installed into the wall itself without disrupting the formal décor of spaces like dining rooms.


Carrier® Ductless systems can be easily integrated into new architecture, since they don’t require a connection to existing ductwork. No special accommodations need to be made for additional space between walls or above ceilings.


Ductless works best in rooms with tight spaces and/or hard-to-control temperatures. Inverter technology allows the system to run longer cycles at lower fan speeds which helps the system dehumidify while cooling. Less humidity means more comfort, even at higher temperatures in attics and better control of comfort in lower natural-light conditions typical in basements.


Less kids means more space. In a home where some rooms are no longer being used every day, Carrier® Ductless systems can be configured so you only heat or cool spaces when you’re using them, and you can save on energy when you’re not.


In a room with less wall space to hang a unit (as in a sunroom with mostly glass walls), a console unit can be installed detached from the wall on feet, allowing for lower-impact installation.


For a space that may not be connected to your home’s central HVAC, Ductless offers compact cooling and heating power to keep you comfortable all year long.

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