The special inverter technology enables significant energy savings, smooth operation and stable quality. The indoor unit has a BIO filter and a dust filter which makes the air you breathe very clean while the outdoor unit has a completely new structure that is now even quieter and more resistant to external influences. All this in energy class A ++ in cooling and A ++ in heating. This air conditioner has a power of 18000 BTU and covers an area from 30 m² to 35 m².