Installation Position of an Indoor Mini Split Air Conditioner

April 21, 2009 by Shawn Mack  
Filed under Installation Guide

Installation position for a ductless mini split is important buy not mandatory.  Off course, height is the most important factor when considering the performance of your air conditioner.  Ductless mini split air conditioners should be installed 4-10 inches from the ceiling.  This lets the cool air flow outwards through the risen warm air and descend towards the floor.  I have had people ask if it is alright to install the indoor evaporator air conditioner lower down the wall?  Yes, you can install them anywhere, but the best performance will be obtained with a higher install.  Below are a few other factors to consider when installing your ductless mini split air conditioner.


  • To be installed at the position where the air delivered from the unit can reach every corner of the room


  • To avoid being affected by the outdoor air


  • To avoid too much oil, smoke or steam


  • To avoid where acid solutions are frequently used


  • Not to install on top of musical instruments, TV’s, computers or valuable appliances


  • Not to install near fire alarming devices (the warm air from the unit could erroneously trigger alarms)

  • Wall Mounted Bracket
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3 Responses to “Installation Position of an Indoor Mini Split Air Conditioner”
  1. repairman23 Says:

    Split-ductless systems have an exterior condenser and an indoor evaporator unit that houses the cooling coil, a fan, and controls, to which you can add indoor blowers.

  2. repairman Says:

    Split ductless is more expensive than window or portable air conditioners (professional installation is recommended) but is less expensive than central air if you are cooling only a few rooms. However, if you are looking to cool the majority of your home, a central-air-conditioning system is probably a more cost-effective choice.

  3. airconditioning Says:

    A good, well-trained and experienced heating and air conditioning contractor is a professional who understands that the HVAC system in your home does much more than to just control the temperature.


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