ii+ (based originally on IMMO.invent, latest stable version 5.9.9 from 12/2024) is an unique tool to assist in energy and carbon management of large municipal real estate portfolios. You are currently visiting the web version of the originally VBA-based application. The web version is under continuous development and might be unstable. The web version was built using node.js, HTML5, CSS and jquery. Powered by logicc.ch - Private Schweizer Plattform. Further Information: see handbook. Developer: Wolfram Scharnhorst (scw). Special thanks to: Alois Gloggner (gla Y), Carmine Del Cotto (dec). ©2016-2024 IMMO.invent Version 5.9.9 built 202412 ©2023-2025 ii+ Version 1.7.6 built 202511, contact: energiemanagement@zuerich.ch