How to Maximize Your Ductless Mini Split for Better Cold Weather Performance

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When used correctly, a ductless mini split can provide excellent temperature control in rooms where other heating isn’t available or is inadequate.

While more recent versions of ductless mini splits work well in low temperatures, they still need to be installed and used correctly or they may be ineffective.

Tips for Optimal Cold-Weather Performance

  • Improve your home’s ability to retain heat – To reduce the strain on your mini split and reduce heating bills, increase the amount of heat your home retains. Warm air leaks out through holes and gaps in your walls, floors and ceiling. Take the time or hire a professional to detect and fix air leaks around the house for maximum energy efficiency. Improving home insulation, particularly in the attic, can also make an impact.
  • Mount the indoor air-handling unit correctly – For efficient heating, mount the indoor air-handling unit low, normally about 18 inches above the floor. When warm air comes out of the unit at this height, it will mix with the coldest air in the room, which is at floor level. This also makes it easier to maintain your mini split and keep it running efficiently.
  • Protect the outdoor unit from the elements – Your outdoor compressor must be fitted correctly so that it can operate at maximum efficiency. One of the most common ways that ductless mini splits are fitted incorrectly is the positioning of the outdoor unit. It’s recommended that the unit is mounted several feet above ground level and under a sloping roof to help protect it from the elements, particularly snow. Without protection, snow can get into the evaporator, which can lead to your mini split spending more time melting snow than heating your home.

For more expert advice on ductless mini splits or other aspects of home heating and cooling, contact the experts at Apollo Home Heating, Cooling and Plumbing. We’ve been providing quality service to homeowners throughout greater Cincinnati since 1910.

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