The new generation of building automation controllers, Desigo PXC4 and PXC5 (photo), offers a wide range of benefits for automating small- and medium-sized buildings. Thanks to the new, license-free Desigo Engineering Framework, devices can now be seamlessly integrated in the same framework. Both controllers were designed to expand and strengthen the Desigo portfolio and focus on one specific automation element — the Desigo PXC4 for heating, ventilation, air-conditioning (HVAC) plants; and the Desigo PXC5 for system functions and integration. The new controllers were simultaneously released with the Desigo Engineering Framework, which consists of the HIT Portal, a web-based planning and selection tool; the engineering and commissioning tool ABT Site for PC users; and the commissioning tool ABT Go application (app) for mobile use. — Siemens Smart Infrastructure, Zug, Switzerland