Toshiba Seiya Smart dual split 5000+5000 BTU inverter A++ wifi air conditioner with 4 kW external unitToshiba Seiya Smart dual split 5000+5000 BTU inverter A++ wifi air conditioner with 4 kW external unit The air conditioner kit is equipped with the following indoor units: 2 x 5000 BTU Ideals for rooms from 1 to 10 sqm with an average height of 2. 7 m The Seiya Smart air conditioner from Toshiba is the updated version of the highly appreciated Seiya model from the Japanese company. With an excellent A++ energy class in both cooling and heating,