Installing a 3-zone DIY mini split is a smart way to keep your home comfy...

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

Installing a 3-zone DIY mini split is a smart way to keep your home comfy without blowing your budget. With heating ratings down to -13°F, these systems keep you warm even in harsh winters