Ducted Minisplit Sizing
Planning to build in NW Arkansas, Zone 4. Running the plans for a 1830 ft2 single story over a hillside walk out basement / conditioned crawl space through the Better Built NW Manual J calculations with no fudging, I’m coming up with a heating load of 27,500 and a cooling load of 15,100. The various Gree or Midea variable ducted minisplits have either 24K or 36K capacity. Which direction would you go? Slightly undersized for heating (2 ton)or significantly oversized for cooling (3 ton).
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