L3e – Laboratory for Energy and Energy Efficiency
About us
About Us
The Laboratory for Energy and Energy Efficiency (L3e) is dedicated to promoting research in energy efficiency and in the production, distribution, and storage of energy from renewable sources. It is also interested in the practical application of these technologies in the field of construction and industrial processes.
The laboratory team fulfills this mission by facilitating exchanges and knowledge sharing, and by organizing various activities including colloquiums, conferences and visits.
Research
Research
The laboratory is particularly interested in the following fields:
- Adapting technologies to cold climates
- Data sensors
- Energy efficiency of buildings and industrial processes
- Composite materials
- Modelling and simulation of energetic systems
- Thermal energy and electrical storage
- Systems analysis and energy control
- Solar thermal, thermodynamic, and photovoltaic systems
- Wind turbine systems
- Geothermal systems
- CO2 capture technologies
Interested in collaborating with us?
Whether you are an industry professional looking to develop a new technology or a student seeking to expand your knowledge, we want to hear from you.
Team
Our Team
The L3e brings together rich and diverse expertise:
Activities
Laboratory Activities
- On August 17, 2026, our student Émile Menguy defended his Master's thesis entitled: "Study and implementation of controlled-environment agriculture management: application to a medium-sized greenhouse, a thermal energy storage system, and a container farm". His work was commended with the award of his Master's degree with highest honors.
- From June 2 to 5, 2026, two of our students, Émile Menguy and Lysie Godfrin, accompanied by their supervisor Didier Haillot, participated in the 34th Congress of the French Thermal Society (Société Française de la Thermique). On the agenda for the week: conferences, round tables, and poster sessions—a rewarding and educational congress!
- On May 11, 2026, our PhD student William Sylvain participated in the RQEI symposium on the theme: "Storing, converting, optimizing - Energy in all its states!" as part of the 93rd Acfas Congress in Trois-Rivières. William won the award for best presentation for his poster.
From May 5 to 12, 2026, L3e students Émile Menguy and Guilhem Chevassus traveled to Kuujjuaq, in northern Quebec, to install the data acquisition boards for the greenhouse.
- On April 23, 2026, master's student Thomas Vrielynck defended his thesis on the "Design and characterization of radiative cooling panels for application in container farm settings".
- The L3e participated at the Table de l’innovation solaire [Solar Innovation Summit] in Varennes on April 7 and 8, 2026.
- Recent media reports have highlighted an L3e project focused on harnessing wave energy in the Îles-de-la-Madeleine. This innovative project aims to contributing to electricity generation while limiting coastal erosion (in French):
- "Les houlogénérateurs : prévenir l’érosion tout en générant de l’électricité?", Côte à côte, Ici Première.
- "L’énergie des vagues au secours des côtes des Îles", Première escale, Ici Première.
- "L’énergie des vagues au secours des Îles-de-la-Madeleine", Le Journal de Québec.
Contact
Contact Us
Laboratoire énergie et efficacité énergétique (L3e)
Main Building (A)
1100 Notre-Dame Street West
Room A-2822
Montréal (Québec) H3C 1K3
Email: l3e@etsmtl.ca
Research at ÉTS
ÉTS provides an ideal environment for conceiving and creating the ideas that will shape the world of the future.