This is what we recommend based on your details:
2.4 - 2.6 m
6 x 6
Based on a ceiling height between 2.4 - 2.6 m, and an area size of 6 x 6, we recommend a 24,000BTU unit.
Some options:
Available in 24,000 BTU
Carrier XPower Gold
2.4 - 2.6 m
6 x 6
Based on a ceiling height between 2.4 - 2.6 m, and an area size of 6 x 6, we recommend a 24,000BTU unit.