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What is a Multi Split Air Conditioner?

For decades, the HVAC industry has been hard at work producing a variety of cooling systems to better suit different homes. Today, some of the most powerful and versatile systems on the market are ductless multi split systems. Though they run on the same basic cooling cycle as standard air conditioners, multi splits offer superior energy efficiency and several other key advantages, making them ideal choices for many St. Louis homes.

How Do Ductless Split Systems Work?

Like any other air conditioner, ductless split systems use a cooling cycle to cool your home. At the indoor coil, refrigerant chemicals absorb heat and evaporate. The system then pumps the gaseous refrigerant to the compressor, which forces it to become liquid and release that stored heat. By repeating this process continuously, the air conditioner literally pumps heat out of the house.

Ductless split systems improve on the basic cooling cycle in the following ways:

  • Variable-Speed Compressors: Most air conditioners and heat pumps can run at only one or two speeds, which means they have to cycle on and off periodically to maintain a target temperature. Ductless split systems use variable speed technology, also known as inverter technology, to adjust to your home's cooling needs on the fly. The result is more efficient cooling and a more consistent temperature.
  • Direct Cooling: Central air conditioners are some of the most powerful cooling systems around, but they waste 20 to 30 percent of that power because of leaks in the duct system. Ductless air conditioners sidestep that problem by cooling the living space directly.
  • Out of Sight, Out of Mind: Mitsubishi Electric air conditioners use very small indoor units that sit high on interior walls. They can easily blend in with many design schemes, and then run almost silently.

Multi Split vs. Mini Split Air Conditioner

Both mini and multi split air conditioners offer the same efficient cooling, but multi split units have the additional advantage of zoned control. With a multi split system, you can set different temperatures in different rooms by manually adjusting the individual indoor units.

How to Install a Multi Split System

Unlike window air conditioners, multi split systems absolutely require professional installation. Your technician will set up the outdoor unit, then install up to four compact indoor units in strategic locations throughout your home. The conduits that connect the indoor and outdoor units can be up to 50 feet long, so there's plenty of design flexibility.

How Much Do Multi Split Systems Cost?

Because a multi split system is custom-made for the home it's meant to cool, there is no single price point. Our authorized Mitsubishi Electric contractors will be happy to assess your home's cooling needs and quote you a reasonable price. Just use the convenient search tool at the top of the page to find a qualified contractor near you today.

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