About Oze-Energies

French company in the real estate intelligence field

drapeau de France

Oze-Energies offers an innovative and sustainable solution:

Its concept:simultaneously improve indoor air quality and occupant comfort and perform energy savings for commercial and residential buildings. It uses communicating sensors, artificial intelligence and machine learning.

Its results: 25% energy savings on average, and improved indoor air quality and comfort for tenants. They are obtained in a few weeks and do not require any work , thanks in particular to a better dynamic consideration of the intermittent occupancy of office buildings (the duration of vacancy represents 2/3 of the year).

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Our key dates


4 major areas of expertise

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Our Energy Managers accompany and advise you on all matters related to your energy consumption (occupant behavior, waste and inconsistencies, energy contracts, etc...) to enable you to perform on average 25% energy savings without any work.

You will benefit from a personal space on our online platform that will allow you to observe and analyze the performance of your building but also to centralize all its data (consumption, invoices, work follow-up, energy contracts, etc...) that you can extract for your CSR reports.

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In order to optimally improve the comfort of the occupants of your building, Oze-Energies calculates both the objective comfort thanks to its sensors and the use of Artificial Intelligence, and the perceived comfort, using its app, on which your occupants are invited to express themselves. Taking these two types of comfort into account, it enables a more detailed analysis and effective recommendations, for a fast and lasting improvement in the well-being of your occupants. This allows the occupant complaint rate to be cut by half.

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Continuously measure several key environmental indicators, such as the relative humidity level, the CO2 level, via our communicating sensors. They feed dashboards, alerts and recommendations for improvement. Our solution also makes it possible to control with predictions in terms of comfort and IAQ (Indoor Air Quality) by integrating weather forecasts.


Our team of thermal engineers (experts in heating, air conditioning, renewable energies, etc.) will assist you with all issues related to your office building. Oze-Energies carries out all the classic project management interventions of a fluid design office (audits, diagnostics, certifications, BMS renovation, works follow-up, etc.) and relies on this competence to design with you global and optimal solutions for your building. Regulatory studies Renovation / Replacement GTB Work follow-up Global energy management

Regulatory studies

Renovation / Replacement of GTB

Renovation Work monitoring

Global energy management

Our key figures

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+ 0 millions
  m² equipped

of offices and collective housing in France and Europe equipped with OPTIMZEN solutions The strength of Oze-Energies lies in the diversity of its players. Relying on a team of thermal engineers, sales representatives, technicians, energy managers, etc., Oze-Energies is able to respond to all issues related to buildings. Oze-Energies aims to be the European leader on the market of comfort optimization without works on European metropolises.

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Our team

photo du fondateur d'Oze-Energies Gilles Nozière
Gilles Nozière

Founder & CEO

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Sarah Gobran

Administrative manager

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Médi Hugues

Sales Engineer

Alessandra Artaud

Sales Engineer

Our strengths

This team is composed of several poles including ageneral management integrating intellectual property and investor support. There is also a sales departement to support you in an unprecedented way in your energy transition. A technical and R&D pole, whose objective is to digitize and optimize your energy and data monitoring as much as possible.

Our young and dynamic team works every day to allow you to save a maximum of energy, to bring comfort to your occupants and also to improve the indoor air quality of your building(s).

Our technology

The technology of our Optimzen® solution uses the massive data of the series of temporal measurements produced by the specific architecture of the building’s dynamic measurement sensors. These data feed a physical energy learning model (Machine/Deep Learning) which is first calibrated for each building, then optimized withmethods such as CMAES (Covariance Matrix Adaptation Evolutionary Strategy) or autoregressive statistical models such as RNN (recurrent neural network) to integrate weather forecasts.

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Our partners

Our awards


Contact one of our engineers

Discover our Optimzen solution, allowing you to meet your needs in terms of energy optimization, comfort and indoor air quality of your office building or housing.

Our solutions

Based on communicating sensors and artificial intelligence, Optimzen Gold allows to perform, without any work, savings on non-occupied energy consumption and to improve comfort and indoor air quality…