Thinking about a 3-zone DIY mini split? It’s a solid way to heat and cool...

https://sirachapete736.gumroad.com/p/how-do-i-use-my-old-window-ac-btu-rating-to-size-a-mini-split-head

Thinking about a 3-zone DIY mini split? It’s a solid way to heat and cool multiple rooms efficiently without breaking the bank