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Question DetailsAsked on 5/8/2011

Mr. Slim ductless A/C installation

I am considering installing a Mr. Slim ductless air-conditioning unit in the soon-to-be-finished loft of my home in Indianapolis. The loft was originally unfinished, and the builder did not run ductwork to this portion of the house. I have been told that the current air conditioning unit is not really large enough to cool the additional space. I have also spoken with other homeowners who have finished lofts and have been told that even with original ductwork the room is very hard to cool and needs a supplemental source. Mr. Slim sounds like the perfect solution, and too good to be true; so I am hoping someone out there has personal experience with this product and would be willing to share their thoughts - good and bad.

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2 Answers


I used a window unit in a similar setting once and it worked out fine. If you have a good spot to place the condensing unit outside, considering ease of installation and service, then a Mr. Slim or Sanyo or Mitsubushi would also work.

Answered 9 years ago by harry


Hi Debbie,

The first step you should take in the purchase process for air conditioning your loft is to have a reputable air conditioning contractor perform what is called a heat load to determine the size (in tons or btu's) of the system needed to cool the space. With this information you will be able to choose from several manufacturers of ductless mini-splits including Mitsubishi's Mr. Slim, Fujitsu, LG, Sanyo and many others. Carrier and some of the other American companies also market these systems. Installation is fairly simple for a skilled contractor. This sounds like a perfect, although not inexpensive, solution to your problem.

Craig Johnson, Surgi's Heating and Air Conditioning, New Orleans

Answered 9 years ago by noodlebrain

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