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|10-12-2011, 02:36 PM||#1|
Join Date: Aug 2010
Ductless Mini-split AC/heat pump, determining size
I'm considering putting one of these mini-split ductless heat pump/ac units in the house I'm building.
I need to know about what size I should be looking into.
The location is western, central Arkansas.
It can get above 100 for several weeks in the summer
and down near 0 for several weeks in the winter.
The house is 24' x48' (just under 1200sq.ft.).
It will have R28 in the floor, R23 in the walls and R40+ in the ceiling. It has 11 double pane, lo E windows.
The layout is basically an open LR,Kit,DR, 1 bath, 2 bedrooms, utility room and pantry.
I'm thinking of just a 1 zone unit installed in the LR or DR.
What would be the approximate size in BTU's that I would need for cooling and also for heating ?
And should I consider a model that has an auxiliary built in resistance heating strip ?
I've heard that the Mitsubishi Mr. Slim units are very good.
Anyone have any experience with them ?
Best place to buy, etc. ?
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