Ductless Air Conditioning in St. Augustine

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Many people know about the ductless cooling and heating systems, and they have experienced--or at the very least, they have seen--the small indoor devices that are installed high on walls in homes, office buidings or restaurants. This article is meant to introduce or educate people of the components as well as the use of ductless air conditioning.

The Components of the Ductless System

The installation of a ductless system allows for flexibility in the delivery of heating and cooling air in your home, without the use of hefty ductwork. The outdoor unit should be installed at the exterior wall and is often found at ground level, connected to an indoor unit by small cables, and a refrigerant line exists through a hole in the wall. The indoor unit, on the other hand, is typically mounted high on the wall of the room and can be pre-set to run automatically at certain times, or can be adjusted manually by remote control at the customer's discretion.

Mini vs Multi-Split

There are two types of ductless systems that can be installed: the mini-split, and the multi-split. A mini-split ductless system controls one room--or zone--by connecting one outdoor unit directly to one indoor unit. The multi-split ductless system, on the other hand, can connect up to five indoor units, depending on the indoor and outdoor model. The multi-split ductless system can heat and cool several zones or rooms independently of each other.

Where Ductless is Needed

Overall, the ductless system is a great solution for homes without a central heating/cooling system. It is also useful for when a room is added onto a house, or if an attic is converted to living space. Instead of extending and adding to the home's existing ductwork, the ductless system can provide efficient heating and cooling at a much lower operational cost.


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The ductless mini-split system has numerous potential applications in buildings, including commercial, residential or institutional. One of the most common applications is in multifamily housing or as retrofit add-ons to houses with "non-ducted" heating systems, such as hydronic (for hot water heat), space heaters (for wood, kerosene or propane) or radiant panels. The ductless mini-split system is also a good choice for room additions, as well as small apartments where extending (or installing) ductless, mini-split air conditioners stack high against other cooling systems. 

Similar to central systems, the mini-splits are comprised of two components: an indoor air-handling unit and an outdoor compressor/condenser. There is also the presence of a conduit, which houses the power cable, suction tubing, condensate drain and refrigerant tubing linking the indoor and outdoor units.


The main selling point of the mini-split is due to their small size and flexibility for zoning--the heating and cooling of individual rooms. There are models that can have as many as four indoor air handling units (for four zones, or rooms) connected to a single outdoor unit. The number depends on how much heating or cooling is required for the building or each zone (which in turn is affected by how well the building is insulated.) Each of the zones will have its own thermostat, so you only need to condition a certain space when it is occupied, saving you money as well as energy.

The ductless mini-split systems are also said to be easier to install than the other types of space conditioning systems. As an example, a general hook-up between an outdoor and indoor unit generally requires a three-inch (or 8 centimeter) hole through a wall as the conduit. Most manufacturers of this type of system can provide many options for the lengths of these connecting conduits. This means that, if necessary, you can locate the outdoor unit as far away as 50 feet (or 15 meters) from the indoor evaporator. With this, it makes it possible to cool rooms on the front side of a building or house with the compressor in a more inconspicuous place, which is the outside of the building.

And mini-splits have no ducts, so they avoid the problems of energy losses associated with ductwork of central forced air systems. If the ducts are in an unconditioned space (such as the attic) then duct losses can account for more than 30% of energy consumption for space conditioning.

Compared to other add-on systems, the mini split offers more flexibility where interior design is concerned. These indoor air handlers can be suspended from the ceiling, mounted into a drop ceiling or hung on a wall if the customer prefers; otherwise, floor-standing models are also available. The indoor units are about seven inches (or 18cm) deep and come with sleek, futuristic-looking jackets. Many units also offer remote controls, which makes it easier than ever to turn the system on and off when positioned high on a wall or suspended from the ceiling. The split-system can help keep your home safe, because there is only one small hole drilled into the wall. Compare this with through-the-wall and window-mounted room air-conditioners, with holes that can provide easy entrance for intruders.

With this, we at Taylor Refrigeration and Air Conditioning hope that this article has been informative, and that we have helped you come to a decision to welcome the ductless air conditioning unit into your home. We are committed to utilizing our innovation and expertise in the field of commercial refrigeration. This is only matched by our commitment to sustainability. And we hope that this equipment spotlight has been helpful. Here at Taylor Refrigeration and Air Conditioning, we always strive to provide our customers with the very best equipment available. Should you have any additional questions about the current system, or for more available options for a new system, do contact our office at 904-289-2355. We look forward to hearing from you, and we look forward to providing you with only the best equipent and service for all your home and office needs.