How to Buy a Ductless Minisplit AC
A ductless minisplit air conditioner is a cross between a central air system and a window unit. It consists of an outdoor compressor and an indoor evaporator/fan unit. These systems require no ductwork, and instead are connected by a small conduit that transports refrigerant and condensate between the two components. Minisplit systems are much more efficient than other air conditioners, and often cost less to operate. There are many factors for buyers to consider before purchasing these systems, including size, power and installation options. Does this Spark an idea?
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Instructions
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Choose the right level of cooling power. The amount of cooling capacity in a minisplit is listed in terms of BTUs or tons. A one ton air conditioner is equal to 12,000 BTUs, and can cool 500 square feet of living space as a general rule of thumb. Choosing a system with too little power can make it difficult to keep cool, while choosing a unit that's too powerful can be a waste in terms of energy consumption and utility bills.
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Check to see how many zones each unit can cool. A single outdoor compressor can cool up to four rooms using four different evaporator/fans. Each room is known as a zone. If you'd like to cool multiple rooms with your minisplit, make sure to choose a compressor that can be linked to the number of zones you'll need to cool.
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Consider mounting options for the fans. Some minisplits have small fan units while others are larger. They can be mounted on walls or ceilings, or even recessed to help mask their appearance. Look for a fan that is correctly sized and can be mounted in an aesthetically pleasing way to complement your home decor.
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Determine how the compressor will be installed. Some minisplits have compressor designed for roof installation, while others require ground level mounting. Compare the requirements for each unit with your available space to help you make your choice.
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Decide if you'd prefer a minisplit with a combination heat pump and air conditioner. Those these dual units are more expensive, they can be used to heat the home during the winter and cool it in summer. They may also be more energy efficient than central heating or portable space heaters.
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Compare options such as timers and remote controls. Some higher-priced units have electronic timers, while others are manually operated. Some buyers may prefer minisplits that operate by remote control so that the system can be easily switched on or off.
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Check the seasonal energy efficiency rating (SEER). SEER ratings are a measure of how efficiently the system will operate, with higher SEER ratings linked to more efficient systems. The US Department of Energy sets minimum standards that manufacturers must follow when producing minisplits and other air conditioners. Buying a unit with a higher SEER rating than what's required by law may save you money on energy bills, and can also help to protect the environment.
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Purchase your minisplit air conditioner. These units can be found at home improvement and hardware store. They can also be purchased from heating and cooling contractors, who may install the unit as part of your purchase.
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