In 2026, an easy-to-install mini split with a SEER2 rating around 20 is a solid...

https://papa-wiki.win/index.php/Can_I_Keep_My_Warranty_If_I_Install_a_Mini_Split_Myself%3F

In 2026, an easy-to-install mini split with a SEER2 rating around 20 is a solid choice for energy efficiency without breaking the bank—expect to spend $1,200 to $1,800