Ductless minisplit retrofit question
I live in southeastern NC, near the coast. My house is just under 1900 sqft with a bonus room over an attached two car garage. My HVAC ducts are in the unconditioned, vented attic. I understand the problems with this. Would a ductless minisplit make sense as a retrofit option? If so, can you just remove the ductwork and patch the drywall where the supply registers are? How do you determine how many head units you need and the best places to install them? I was thinking about this as an option for when I eventually have to replace my heat pump and/or air handler.
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