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Old 06-14-2008, 11:58 AM
 
Location: Yorktown Heights NY
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We're considering installing "ductless split-package AC systems" in our house (the compressor unit is outside, with coils running to interior wall-mounted units that deliver the air). Does anyone have these? If so, how well do they work? Are they much better than window ACs? Who did the installation? (FYI, central AC would be far more expensive and the installation would be far more destructive. Also, with a 1700's house with really low ceilings, ducts are out of the question.) Thanks!
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Old 06-14-2008, 09:10 PM
 
Location: Bronx, NY
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Those things are really nice. They're the only A/C system you'll see in many parts of Asia (Japan especially). I don't know why they haven't caught on in the USA.

They are cheaper to run than central-air and aren't noisy like window A/C units are. When you leave a room you can simply shut off the unit, thereby saving you $$$.

I don't know a thing about installing one around here. So I wouldn't be able to help you there.
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Old 06-15-2008, 07:35 PM
 
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I have heard that Mitsubishi makes good units.

I agree with the prior poster. Central air is an expensive waste of money.
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Old 06-15-2008, 08:27 PM
 
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I have two friends that have the Mitsubishi Mr. Slim & we are getting one for our family room as soon as we finish sheetrocking and painting. Both families love it and I've seen them working and cooling the rooms they are in. The units are very quiet and do a great job in rooms where you can't have central air or a window air conditioner. We have vinyl windows and no central air and basically just cool the family room and bed rooms at night so this will work great in our 1st floor family room where we can no longer use a window unit. There are different size compressors and we are getting the smallest one which I believe two units can be attached to. I'm not sure how many rooms the bigger compressors can cool (and from what I've seen and read, they are not as large as a central air unit so they are not that big) or if you would need multiple compressors for different sides of the house.
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Old 06-16-2008, 08:58 AM
 
2,406 posts, read 5,632,940 times
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Quote:
Originally Posted by Cwood2008 View Post
I have two friends that have the Mitsubishi Mr. Slim & we are getting one for our family room as soon as we finish sheetrocking and painting. Both families love it and I've seen them working and cooling the rooms they are in. The units are very quiet and do a great job in rooms where you can't have central air or a window air conditioner. We have vinyl windows and no central air and basically just cool the family room and bed rooms at night so this will work great in our 1st floor family room where we can no longer use a window unit. There are different size compressors and we are getting the smallest one which I believe two units can be attached to. I'm not sure how many rooms the bigger compressors can cool (and from what I've seen and read, they are not as large as a central air unit so they are not that big) or if you would need multiple compressors for different sides of the house.
Cwood - Do you know what contractor your friends used? What about the cost? I'm guessing about $3,000 each, plus an electrician.

The large 12,000 BTU Mr. Slim should cool our entire first floor (about 1,000 square feet). We also need one for our red hot finished attic. I don't mind popping in 5,000BTU window units in our kids' rooms, and an 8000BTU window unit in our room.
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Old 06-16-2008, 10:45 AM
 
Location: Yorktown Heights NY
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I do know that Mr Slim is more expensive because it is set up for both heat and AC--even if you just want AC you need to buy the dual-function unit, which is more expensive. We haven't gotten estimates yet, but we are planning on using the system to cool 5 rooms with 2 compressors and 5 wall units--we'll see if that is viable and how expensive...

Thanks for the feedback!
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Old 06-16-2008, 02:07 PM
 
2,406 posts, read 5,632,940 times
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Originally Posted by dma1250 View Post
I do know that Mr Slim is more expensive because it is set up for both heat and AC--even if you just want AC you need to buy the dual-function unit, which is more expensive. We haven't gotten estimates yet, but we are planning on using the system to cool 5 rooms with 2 compressors and 5 wall units--we'll see if that is viable and how expensive...

Thanks for the feedback!
Check that. Last time I looked you do not have to buy the unit that has heat.
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Old 06-17-2008, 08:26 AM
 
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Hi Ruby, it was a local dad (neighborhood friend) who installed the units for them. Same guy did both houses, but I really don't know the name of his business. Sorry.
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Old 06-17-2008, 03:23 PM
 
Location: Yorktown Heights NY
1,316 posts, read 4,867,929 times
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rubygreta,

What I uncovered is that yes, Mitsubshi's Mr Slim makes an AC-only single-unit compressor. But the multi-unit compressors are only available in dual AC/heat.

Since we are putting in lots of wall units, we want to use the multi-unit compressors (to be cost-effective and energy-efficient, and to have fewer compressors).
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Old 12-29-2010, 09:50 AM
 
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We do have central air and installing it in our old home would cost about $25,000. This isn't our long-term home, we don't want to sink that much money into it and not get it back. Instead, we are looking into a ductless [url=http://www.aircondirect.com.au/]split system air conditioner[/url] AC unit. Our first floor is very open so one good unit would likely cool all of it and cost about $5k-$6k.


I'm curious if anyone has this type of system and what you think of it.
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