Hello Everyone,
I'm going to buy a Mr. Slim ductless A/C to cool my 480 sqft garage workshop with 10 foot ceilings. Most of the BTU calculators online recommend a 18K BTU A/C. Mitsubishi offers a 16K and a 22K BTU unit. Which one do I buy?
I don't want to oversize the unit, but I don't want...