IDEA was founded in 1989 with the aim of producing software for engineering, air conditioning and refrigeration companies. Over the years, IDEA has developed new approach to solving problems of this industry, by providing engineering and software HVAC solutions. Our software helps the commercial staff of the company with the selection, sizing, simulation (thermodynamics and energy) and the technical verification of the solutions that lead to the correct choose of a machine for heating and cooling. Our software produces a complete document with all the necessary information (description, technical data, design, quotation base with accessories, any energy simulations, parameters and tables related to regulations) for the promotion and support of sales process. From 2022, IDEA is upgrading existing software by connecting them with REVIT and BIM. The new software is integrating chosen HVAC equipment directly in Revit with all specific real-time data, relevant for the project.