2025-09-03 00:00:00 Save up to 2 hours on your installation and commissioning! The HEIWA Ernest PRO application, specially designed for YOU, professional heat pump installers, is your essential tool to optimize and facilitate the installation and commissioning of the HEIWA Ernest zoning control system. HEIWA Ernest zoning has been designed as a real modern and efficient assistant, improving the daily comfort of buildings. By using the HEIWA Ernest PRO app, you will benefit from many features: • Configure and associate all the channels in your installation directly from the APP: quick setup, without having to sneak into the attic.