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Choosing the Right Mitsubishi Mini Split System

CEO Khai Intela
Mitsubishi mini split systems have gained popularity among homeowners looking for efficient and effective cooling solutions for their homes. These ductless systems provide better temperature control and can be customized for each room, eliminating the...

Mitsubishi mini split systems have gained popularity among homeowners looking for efficient and effective cooling solutions for their homes. These ductless systems provide better temperature control and can be customized for each room, eliminating the need for fights over the AC controls. Additionally, ductless systems offer the advantage of not requiring any ductwork, providing flexibility and saving time and money on installation.

Mitsubishi logo Image: Mitsubishi logo

By allowing you to set different temperatures for different areas of your home and utilizing super-efficient heat pump technology, Mitsubishi ductless systems also help save on energy costs. This is one of the main reasons for their growing popularity.

Mitsubishi Mini Split System Components

Mini split systems consist of four main components:

Condensing Unit

The condensing unit, located outside the home, contains the condenser coil responsible for cooling the refrigerant liquid. It pumps the refrigerant through the refrigerant lines that connect to the indoor unit(s) inside the home.

Refrigerant Lines

Refrigerant lines, also known as line sets, connect the exterior component of the ductless unit to the indoor unit(s). These small tubes contain cooling refrigerant, and a hole needs to be bored through the wall to connect both the external and internal units.

Wall Monitor or Remote Control

The wall monitor or remote control is used to control the entire Mitsubishi mini split air conditioning system. It allows you to change modes, adjust temperature, and manage other settings.

Indoor Unit

The indoor unit can be mounted on the wall, floor, or ceiling using a cassette or concealed ducted air handler. Mitsubishi mini split air conditioners provide flexibility in choosing the best location and height for optimal air circulation and easy access.

Mitsubishi Mini Split Benefits

There are several benefits of choosing Mitsubishi mini split air conditioners and heat pumps for your home:

  • No Ducts: Mitsubishi mini splits eliminate the need for ductwork, preventing allergens and other particles from spreading through dirty ducts. Additionally, without ducts, the AC unit operates at 100% efficiency, without any cracks, disconnections, or leaks.
  • Quiet: Mini split systems are generally very quiet because the compressor unit is located outside the house. Any noise from the indoor unit's fan is usually negligible.
  • No Windows Required: Unlike traditional room AC systems, Mitsubishi mini split systems don't require windows for installation and venting.
  • Zone Cooling: With zone cooling, you can cool individual rooms separately, saving energy and costs by not cooling unused spaces.

Mitsu2 Image: Mitsu2

Mitsubishi Single vs. Multi-Zone Ductless Units

There are two types of Mitsubishi mini split air conditioning systems:

  • Single Zone: These units consist of one indoor and one outdoor unit. They are ideal for rooms without ductwork and come in different power capacities to cover the square footage of the zone. For example, the Mitsubishi MZ-FH09NAH is an efficient single zone unit with 9,000 BTUs that can cover between 350 and 400 square feet.

  • Multi-Zone: These units cool multiple rooms using a single outdoor unit connected to multiple indoor units. With multi-zone Mitsubishi mini splits, you can have up to five zones in your home. The Mitsubishi MXZ-5C42NA2 is a multi-zone unit that can cover up to five zones.

When selecting a mini split system, consider the power (BTU output) and energy efficiency (SEER rating) of the unit. Single zone units have a specific BTU output, while multi-zone systems have separate BTU ratings for each indoor unit.

MITSUBISHI Mini Split Image: MITSUBISHI Mini Split

Additional Modes and Features

Mitsubishi mini split systems come with various modes and features designed to enhance comfort throughout the year. Some notable features include:

  • Washable Air Filter: Look for a unit with a removable air filter that can be washed and replaced if needed, saving you money on replacement filters.
  • Adjustable Airflow: Different models offer different methods of directing airflow, such as manual louvers, automatic louvers, or remote-controlled adjustment.
  • Programmable Timer: Find a unit that allows you to schedule automatic on/off functions up to 24 hours in advance.
  • Automatic Restart: Mini splits automatically restart once power is restored after a power failure, preventing circuit breaker damage.

Mitsubishi Mini Split Frequently Asked Questions

How much is a Mitsubishi mini split? The cost of a Mitsubishi mini split system can vary depending on the type and complexity of the setup. Single-zone systems start at around $1,100, while multi-zone systems can exceed $10,000. Installation costs average about $500 but can be higher for complex installations.

Is Mitsubishi the best mini split? Mitsubishi Electric has been a leader in the HVAC industry since pioneering the first mini split air conditioning system in 1954. Their innovative technology, such as Hyper-Heating Inverter technology, sets them apart in terms of performance and efficiency.

How much square footage does a mini split cover? Mini splits come in different capacities, ranging from 6,000 to 24,000 BTUs. Use the BTU-to-square-footage chart as a guide, but it's best to consult with a professional installer to determine your exact needs.

Remember to consider the BTU output, SEER rating, and additional modes/features when choosing the right Mitsubishi mini split system for your home. By selecting the appropriate system, you can enjoy efficient and personalized cooling solutions while saving on energy costs.

Source: Department of Energy. CAC Brochure. Informational Brochure. PDF. Accessed 16 July 2020.