Yes, I think those are the ones I looked at. The only problem with them is that for the size I need it would not split to enough cooling points inside. If I remember two smaller units would also not split enough, can't really remember now. Then there was also the problem that I did want to use geothermal cooling which was and as far as I know still is not available in those type of units.

The other down side of those units is they pump freon around rather then chilled water. With the water units the individual cooling units can be over-sized due to the self throttling of the water flow. That way a smaller chiller can be used since not all the units will be going full out at any one time and probably not at any time due to the shape of and insulation in my house (dome). In the winter any heating needed can also be done using the same system. It would also be a lot easier to make changes in the system to see what might be a better location of cooling units. Yeah I do like to experiment and see 'what if'.

Manfred

Date: Sat, 03 Dec 2011 22:02:56 -0500
From: Allan Streib <str...@cs.indiana.edu>
Subject: Re: [MBZ] More OT - HWT

There is a system called a mini-split or multi-split that sounds like
what you are describing. It doesnt work with your radiators but it's an
installed outdoor unit connected to one or more interior units.  I
believe they can work in AC and/or heating modes.

Allan

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