Single-split Vs Multi-split AC: Which Is Better?

Single-split Systems

Single-split systems are the most widespread air conditioning systems. They cool one room or area and comprise two main components: an indoor unit and an outdoor unit. The indoor unit of a single-split system contains a coil chilled with refrigerant. As the room's warm air passes over this coil, the refrigerant absorbs the heat, cooling the air, which is then circulated back into the room.



The heated refrigerant moves to the outdoor unit, where it passes over another coil called the condenser coil. Here, the refrigerant releases its heat and cools down before being circulated back to the indoor unit. This process continues until the desired room temperature is achieved.

Benefits Of Single-split Systems

• Cost-Effectiveness: Single-split systems tend to be more affordable to purchase and install owing to their less complex design. This affordability makes them an excellent choice for those on a tighter budget.
• Efficiency: Single-split systems can be very efficient, especially when used in smaller spaces or single rooms. Each unit is designed to cool a specific area, ensuring optimal performance for that space.
• Easy Installation: The installation process for single-split systems is simpler and quicker, resulting in minimal disruption to your everyday routine. Also, you don't need extensive ductwork, making these systems ideal for buildings where duct installation can be a challenge.

Multi-split Systems

Multi-split systems are more complex, with one outdoor unit linked to multiple indoor units. The outdoor unit houses a powerful compressor capable of sending refrigerant to several indoor units. Each indoor unit operates independently.



Just like a single-split system, the indoor unit absorbs heat from the room, cools the air and sends the heated refrigerant back to the outdoor unit. However, with a multi-split system, this process can occur in multiple rooms simultaneously.

Benefits Of Multi-split Systems

• Flexible Cooling Options: Multi-split systems offer greater flexibility. They can cool multiple rooms simultaneously while allowing for independent temperature control in each room.
• Aesthetics: As multi-split systems require only one outdoor unit, they save on outdoor space and are less intrusive on your property's external appearance. If maintaining the aesthetic appeal of your building is a priority, a multi-split system is worth considering.

Which Is Better?

Choosing between a single-split and multi-split system depends on your specific needs and circumstances:

•  Single-split systems are an excellent choice for smaller homes or businesses with fewer rooms, given their cost-effectiveness and easy installation. They're ideal for individuals looking for a simple, efficient solution to cool a specific area.
• On the other hand, multi-split systems provide a more comprehensive cooling solution for larger spaces. If your property has several rooms that require simultaneous cooling and you wish to control the temperature independently for each room, a multi-split system would be the perfect fit.

While both single-split and multi-split systems have their unique benefits, your preferences and budget should drive your final decision.

The Value Of Professional Advice

Given the variety of factors to consider, from the size and layout of your property to your budget and specific cooling needs, professional advice can be valuable in making the right choice. A seasoned professional can help assess your needs and guide you towards the most appropriate air conditioning solution. Remember, it's important to make the right choice to ensure you receive the best cooling solution tailored to your needs.

Explore A Wide Range Of Air Conditioning Systems

At Marty Nelson Refrigeration & Air Conditioning, we pride ourselves on providing high-quality, personalised air conditioning solutions. We supply a range of ActronAir and Fujitsu air conditioners, catering to homes, businesses and industrial properties. Our solutions range from single-split systems to large-scale commercial designs.

If you're considering a new air conditioning system or need maintenance or repair services for your existing system, contact us. Our team will help you choose the right system for your property to ensure you enjoy a cool, comfortable environment.