Mini Split
AC Units

What is a mini-split air conditioner?

A mini-split air conditioner is a type of ductless heating and cooling system comprising two main components: an outdoor compressor/condenser unit and one or more indoor air handling units. The indoor units are typically mounted on walls or ceilings, and they are connected to the outdoor unit by a refrigerant line and a power cable.

Mini-split air conditioners transfer heat from your home to the outside air. In cooling mode, the refrigerant in the indoor unit absorbs heat from the air in the room and then transfers it to the outdoor unit, where it is released into the atmosphere. In heating mode, the process is reversed, with the refrigerant absorbing heat from the outside air and transferring it to the indoor unit, where it is released into the room.

Mini-split air conditioners are very efficient and can provide significant energy savings over traditional central air conditioning systems. This is because they do not have to overcome the energy losses of ductwork.

How does a mini-split air conditioner work?

A mini-split air conditioner system comprises two main components: an outdoor compressor/condenser unit and one or more indoor air handling units. The outdoor unit is typically located outside of the home, and it contains the compressor, condenser, and other components responsible for cooling and heating the refrigerant. The indoor units are located inside of the home, and they contain the evaporator coil, fan, and other components that are responsible for distributing the cooled or heated air.

The refrigerant in a mini-split air conditioner system circulates between the indoor and outdoor units. In cooling mode, the refrigerant absorbs heat from the air inside of the home and then transfers it to the outdoor unit, where it is released into the atmosphere. In heating mode, the process is reversed, with the refrigerant absorbing heat from the outside air and transferring it to the indoor unit, where it is released into the home.

The refrigerant is circulated between the indoor and outdoor units by a compressor. The compressor is located in the outdoor unit and is responsible for pressuring the refrigerant. The pressurized refrigerant then flows through the refrigerant line to the indoor unit.

In the indoor unit, the refrigerant passes through the evaporator coil. The evaporator coil is a heat exchanger that absorbs heat from the air inside of the home. The refrigerant then flows back to the outdoor unit, releasing it into the atmosphere.

In heating mode, the process is reversed. The refrigerant absorbs heat from the outside air and transfers it to the indoor unit. The refrigerant then flows back to the outdoor unit, releasing it into the atmosphere.

Types of mini-split air conditioners

There are two main types of mini-split air conditioners: single-zone and multi-zone.

  • Single-zone mini-split air conditioners: Single-zone mini-split air conditioners have one indoor unit connected to the outdoor unit. This type of system is ideal for cooling or heating a single room or zone.
  • Multi-zone mini-split air conditioners: Multi-zone mini-split air conditioners have multiple indoor units connected to the outdoor unit. This type of system is ideal for cooling or heating various rooms or zones.

Benefits of mini-split air conditioners

Mini-split air conditioners offer several benefits over traditional central air conditioning systems, including:

  • Energy efficiency: Mini-split air conditioners are very efficient and can provide significant energy savings over traditional central air conditioning systems. This is because they do not have to overcome the energy losses of ductwork.
  • Zoning: Mini-split air conditioners allow you to control the temperature in individual rooms or zones. This can be a great way to save energy and money, as you can only cool or heat the rooms you use.
  • Flexibility: Mini-split air conditioners are very flexible and can be installed in various homes, including older homes that do not have ductwork. They can also be installed in new homes and additions.
  • Quiet operation: Mini-split air conditioners are quiet and ideal for bedrooms and other areas where you need peace.
  • Improved air quality: Mini-split air conditioners can help improve indoor air quality by filtering the air that circulates.

Additional benefits of mini-split air conditioners

In addition to the benefits listed above, mini-split air conditioners also offer several other advantages, including:

  • Easy installation: Mini-split air conditioners are relatively straightforward, even in older homes without ductwork.
  • Low maintenance: Mini-split air conditioners require very little maintenance, making them a cost-effective choice for homeowners.
  • Durability: Mini-split air conditioners are durable and can last many years with proper care.
  • Versatility: Mini-split air conditioners can be used