http://www.minisplitwarehouse.com/product/12000%20btu%20ymgi%20mini%20split%2022%20seer%20110v%20dc%20inverter%20heat%20pump%20ac%20wmms-12k-v2a58 Mitsubishi Ductless Heat Pump. It should not be too small or else it will not get the job done and may overl