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How Does a Mini Split AC Work?


June 6, 2024


As temperatures rise, the quest for efficient and effective cooling solutions becomes paramount for many homeowners. Among the array of options available, mini split air conditioning systems stand out due to their unique design and functionality. But how does a mini split AC work? Let’s delve into the mechanics of these systems to understand why they might be the perfect cooling solution for your home.

The Basics of Mini Split AC Systems

A mini split AC system consists of two main components: an outdoor compressor/condenser and one or more indoor air-handling units. These components are connected by a conduit that houses the power cable, refrigerant tubing, suction tubing, and a condensate drain. This setup eliminates the need for bulky ductwork, making mini splits ideal for homes without existing ducts or for room additions.

How Mini Splits Operate

The operation of a mini split system is straightforward yet innovative. Here’s a step-by-step breakdown:

  1. Temperature Detection: Each indoor unit is equipped with a thermostat that monitors the room temperature. When the temperature deviates from the desired setting, the system activates.
  2. Refrigerant Circulation: The compressor in the outdoor unit compresses the refrigerant, which travels through the conduit into the indoor units. This compressed refrigerant is what carries the heat from inside your home to the outside.
  3. Heat Exchange: Inside the indoor units, the hot air from your room blows across the cold, refrigerant-filled coils. As the refrigerant absorbs heat from the air, it cools the air down before it is blown back into the room.
  4. Releasing Heat: The now-warm refrigerant travels back outside to the compressor, where it is cycled through the condenser. The outdoor unit releases the absorbed heat into the outside air.
  5. Repetition: This cycle repeats as necessary to maintain the desired temperature setting in the room.

Advantages of Mini Split Systems

Mini split AC systems offer several benefits that make them an attractive choice for many homeowners:

  • Energy Efficiency: Because mini splits do not require ductwork, they avoid the energy losses associated with ducted systems, where energy loss can account for more than 30% of energy consumption, especially if the ducts are in an unconditioned space such as an attic.
  • Zoned Cooling: Mini splits are capable of cooling specific zones or rooms in your house. You can have multiple indoor units connected to one outdoor unit, each controlled independently. This allows for personalized temperature settings in different rooms, enhancing comfort and further reducing energy costs.
  • Quiet Operation: Mini splits are known for their quiet operation compared to traditional central air systems. The loudest component, the compressor, is located outside, which minimizes indoor noise.
  • Ease of Installation: The installation of a mini split system is less invasive and often quicker than that of traditional ducted systems. The conduit requires only a small hole through the wall, reducing the potential for major disruptions to your home’s structure and appearance.

Choose Lickety-Split for Your Mini Split Installation

Choosing the right contractor for installing or maintaining a mini split system is crucial. Lickety-Split has extensive experience in the installation and service of mini split systems in Jacksonville and St. Augustine. Our certified technicians ensure that your system is installed correctly and runs efficiently, providing optimal cooling and comfort.

For any cooling needs or inquiries about how a mini split system can benefit your home, don’t hesitate to contact Lickety-Split. We are committed to delivering top-notch service and ensuring that your home stays comfortable, no matter the season.


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