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About Heimer
HEIMER is an independent engineering consulting firm founded by a mechanical engineer specialized in energy efficiency, delivering energy audits and advanced thermal & energy simulations for buildings and industrial sites
Clients work with HEIMER to understand their energy performance, evaluate technical and operational scenarios, and define relevant energy conservation measures aimed at reducing energy consumption, lowering environmental impact and optimizing energy costs, through a pragmatic engineering approach based on field audits, dynamic modelling and techno-economic assessment
Experience & References
Engineering missions have been carried out for major industrial and tertiary actors, including:
Airbus, Eiffage, Bouygues Construction, Vinci, BNP Paribas Real Estate, Orange, Forvia, Johnson & Johnson, Rubis Energy, among others.
These missions covered energy audits, dynamic thermal and energy simulations, environmental certification support (HQE, BREEAM), regulatory compliance (RE2020, Décret Tertiaire) and long-term energy and carbon performance strategies.
Engineering standards
Engineering missions incorporate a strong command of energy regulations and environmental frameworks applicable to buildings and industrial or tertiary assets, including RE2020, the French Tertiary Decree and the BACS Decree, as well as environmental certification schemes such as HQE and BREEAM.
Studies rely on a rigorous engineering methodology, including dynamic thermal and energy simulations BEM performed using Pleiades, enabling detailed analysis of energy consumption, thermal comfort, HVAC systems and performance improvement scenarios.
This approach ensures robust, traceable and actionable analyses, aligned with regulatory requirements and long-term energy and carbon performance objectives.
Industrial Background
In addition to consulting activities, solid experience has been acquired within industrial environments, notably at Renault Group and L’Oréal.
These experiences provided in-depth exposure to:
Large-scale industrial processes
Operational performance management
Data-driven decision-making
Cross-functional engineering coordination
Working within these organizations contributed to a strong understanding of the technical, organizational and strategic challenges faced by industrial companies of the future.
Academic Background
The founder is a mechanical engineer (MSc level) and completed part of his engineering studies at INSA Toulouse, one of the leading engineering schools in France.
This academic background, combined with international experience between France and Argentina, provides a solid foundation in mechanical engineering, energy systems and applied analysis.

