Together with the local partners of Midea Nederland / VB Klimaattechniek, a technical-commercial visit was paid to the customer Building Technology at Twello, in the East of The Netherlands, where an air-handling unit with integrated heat pump circuit model HPS026 has been installed for the air change-over of the offices of this important design and project developer of information technology. The unit is used on the basis of CO2 sensors installed in the rooms, thus increasing or decreasing its capacity according to the real demand of the moment, optimizing the use and the energy saving.