Do Mini Splits Work Well in Cold Weather?

Mini-splits work well in cold weather and one variety can handle temperatures down to negative degrees Fahrenheit before any performance loss occurs—a low ambient mini-split.

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A ductless mini-split uses outdoor air to provide cooling or heating, if the temperatures are too extreme on either end of the spectrum, the efficiency of the mini-split begins decreasing.

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How Does a Ductless Mini-Split Work?

Types of Ductless Mini-Splits

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Economy Mini-Splits

They're affordable. Only suits customers who live in a region where the weather is warmer to temperate throughout most of the year.

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Mid-Level Mini-Splits

This machine can continue working in temperatures as cold as 20 degrees. However, the system could power down if the temps reach the teens on a freezing winter night.

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Low-Ambient Mini-Splits

A low-ambient system can keep chugging right along and working at 100% efficiency even if temperatures dip under 20 degrees. This system type can handle temps below zero degrees.

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Tips to Keep your Mini-Split Operational

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Use the Defroster

A ductless mini-split includes a defrost setting. You should be able to toggle this on or off on the outdoor compressor or condenser.

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Keep the Condenser Free of Snow

When it snows, it’s good to go outside once the bulk of the storm is over and brush off your outdoor condenser

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A ductless mini-split heat pump can reverse operations and provide more than adequate heating in your home all winter long.