Looking to heat and cool multiple rooms without rewiring your whole house? A...

https://cleaningservicesgrandrapidsmi.com/what-btu-mix-should-i-use-for-3-rooms-like-9k-12k-6k/

Looking to heat and cool multiple rooms without rewiring your whole house? A 3-zone DIY mini split can handle that efficiently, often boasting a SEER2 rating up to 24 for serious energy savings