Which Is Better: A Split System or a Package Unit System?

If you are in the market for a new central air conditioning system, you’ll likely be selecting from two main system types: split systems or packaged systems. Each system type will cool your home or business, but they do have many differences. See how they compare so you can make an informed purchase decision.

What is a split system?

A split system is a type of central air conditioner made up of two components: the outdoor compressor and condenser unit, and the indoor cabinet holding the evaporator coils. The system gets its name because its components are split, not housed together. Split systems are typically chosen when replacing an old split system, or to cool homes and businesses with existing furnaces — the split system will use the furnace’s air handler to distribute cool air.

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What is a packaged unit?

A packaged air conditioner is a system that houses all components in one location. The compressor, condenser, and evaporator coils are all packaged in a single metal cabinet, installed on the roof or exterior of a building or home. Some packaged models also contain heating equipment, and will function as the home or business’s heating system, too. Packaged units are often selected for applications with limited installation space.

Differences Between Split Unit and Package Unit

Footprint Comparison

Packaged units are ideal for limited space applications because of their small footprint, having all components packaged in a single cabinet. They also do not require interior components, saving space inside the home or building. Split systems require space indoors and outside for installation.

Efficiency Comparison

If energy efficiency is a goal, split systems offer higher SEER ratings than packaged units. Split central air conditioners offer SEER ratings from 13 to 23, while packaged units only range from 10 to 18 SEER.

Cost Comparison

Packaged units are typically cheaper to install. Because a packaged unit’s components are housed together, less labor is involved than with a split system. Also, packaged cooling systems can come pre-charged with the necessary refrigerant, cutting the cost of system charging once installed.

Due to their higher energy-efficiency ratings, split cooling systems will be more affordable to operate ongoing. Packaged units consume more electricity, so it will cost more to cool a home or building using this type of central air conditioner.

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