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Duralis Energy
Innovating for a Sustainable Future

The Standard of Swiss Energy Engineering

From initial strategic planning to precision execution, our multidisciplinary team provides institutional-grade engineering for the energy transition. With two decades of technical mastery, we serve as the primary advisors for industrial, commercial, and residential sectors across French-speaking Switzerland.

Corporate Business
150+ Successful Projects
98% Client Satisfaction

Strategic Project Management (AMO)

Expert oversight for high-value renovations. We act as the owner's representative, ensuring technical rigor, subsidy optimization, and seamless execution.

Institutional Certification (CECB/CECB Plus)

Accredited regulatory compliance. We provide the requisite certifications to secure building permits and validate energy efficiency benchmarks.

High-Performance Sustainability (Minergie)

Engineering the highest standards of energy-efficient design. We align your assets with Minergie requirements for superior thermal comfort and value preservation.

Thermal Analytics & Optimization

Data-driven thermal assessment and system modeling. We identify structural efficiencies to reduce operational costs and carbon footprints.

Macro-Scale Territorial Planning

Strategic energy architecture for municipalities and districts. We design integrated renewable networks and regional energy strategies.

Advanced HVAC Systems

Precision climate engineering. We design and integrate high-efficiency HVAC infrastructure tailored to the specific demands of the modern built environment.

About

Find Out More About Us

Two Decades of Engineering Excellence

Founded in 2002, Duralis Energy provides high-performance energy infrastructure across Western Switzerland and international markets. Our firm is built upon a foundation of academic rigor, composed of senior engineers from EPFL, ETH Zurich, and leading European technical institutions.

We operate at the intersection of precision and sustainability. By integrating advanced thermodynamics with practical infrastructure, we deliver energy systems that are as resilient as they are efficient.

For twenty years, we have remained the partner of choice for public authorities and industrial leaders who demand uncompromising technical integrity.

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Years of Excellence
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Satisfied Clients
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Projects Completed
About Us

Quality Certified

Since 2002

Proven expertise in energy engineering and sustainable solutions

Energy Consulting

Professional

Providing independent technical advice to optimize energy systems, improve efficiency, and support informed decision-making throughout the project lifecycle.

Renewable Energy Systems

Expert

Designing and assessing photovoltaic, thermal, and renewable energy installations with a focus on performance, reliability, and long-term return.

Energy Strategy & Planning

Advanced

Developing tailored energy strategies that align regulatory requirements, technical feasibility, and sustainability goals at building and territorial level.

Project Management

Professional

Coordinating multidisciplinary teams and stakeholders to ensure energy projects are delivered on time, within scope, and to high technical standards.

Innovation & Optimization

Advanced

Identifying emerging technologies and optimization opportunities to reduce energy consumption, costs, and environmental impact.

Technical Engineering & Architecture

Expert

Designing robust and scalable energy infrastructures that prioritize efficiency, safety, and long-term operational performance.

Professional Certifications

Continuous learning and professional development ensure that skills remain current with industry standards and emerging technologies.

CECB certification
CECB Plus certification
Minergie certification
Essential Tools
Lesosai Polysun AutoCAD SIA 380/1 CECB Pro Thermo-Calc PVsyst

Measurable Excellence in Every Detail

Our track record reflects more than two decades of dedication to quality, sustainability, and technical excellence across Switzerland and beyond.

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Projects Completed

Successfully delivering energy engineering projects across Switzerland and internationally since 2002.

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Client Satisfaction

Our clients consistently rate our technical expertise and project management as exceptional.

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Satisfied Clients

From private homeowners to public authorities and developers, our clients trust us with their energy projects.

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Years of Experience

Founded in 2002, over two decades of engineering excellence and continuous innovation in sustainable energy.

Industry Recognition

Recognized for excellence in energy engineering by our clients, partners, and the Swiss engineering community.

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Sophie Maillard

Duralis Energy managed our building renovation from the initial energy audit through to Minergie certification. Their team was thorough, always available for questions, and delivered everything on schedule.

Pierre-Antoine Roch

We've worked with Duralis Energy on multiple residential projects. Their heat balance calculations, HVAC design, and solar integration are consistently precise. A reliable technical partner we trust fully.

Claire Dubois

As an architect, I need energy engineers who deliver accurate building physics studies on time. Duralis Energy has been my preferred partner for AMO assignments. Rigorous, professional, and collaborative.

Jean-Marc Fontaine

Duralis Energy supported our community's territorial energy planning programme. Their approach was structured, collaborative, and completely aligned with our long-term sustainability goals.

Isabelle Chevalier

After Duralis Energy optimised our heating systems and installed a photovoltaic plant, our annual energy costs dropped substantially. Excellent expertise, transparent process, and outstanding results.

Portfolio

Check Our  Portfolio

  • All Projects
  • Industrial building
  • Administrative building
  • Residential building
  • VILLA

Industrial building

Construction of a production hall

Administrative building

Renovation of an office building

Residential building

Construction of 4 buildings.

Residential building

Global renovation of the building.

Residential building | Bex Vaud | 2019

Construction of 2 buildings

Villa | Prangins Vaud

Renovation of 2 villas

Residential building | Assens Vaud | 2020

Construction of 3 buildings and 1 commercial.

Residential building | Pully Vaud | 2018

Global renovation of the building

F.A.Q

Frequently Asked Questions

01

What types of projects does Duralis Energy specialize in?

Duralis Energy specializes in energy engineering and consulting projects, including building energy efficiency, HVAC systems, renewable energy solutions (solar thermal and photovoltaic), and sustainable water management. We work on both new constructions and renovation projects.

02

In which regions does Duralis Energy operate?

Our primary area of operation is Switzerland, particularly the French-speaking regions. However, we also participate in international projects through technical cooperation, feasibility studies, and energy planning assignments.

03

Does Duralis Energy provide energy certifications?

Yes. We assist clients with recognized energy certifications such as CECB and Minergie, offering technical assessments, calculations, and full support throughout the certification process.

04

Can Duralis Energy support a project from design to implementation?

Absolutely. Duralis Energy can be involved at all stages of a project�from feasibility studies and conceptual design to execution, supervision, and commissioning�acting as a technical advisor or project partner.

05

Who are Duralis Energy's typical clients?

Our clients include private building owners, public authorities, real estate developers, engineering firms, and institutions seeking reliable and sustainable energy solutions tailored to their specific needs.

Contact

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Contact Us

We'd love to hear from you. Get in touch with our team.

Address

Rue du Maupas 38
Case postale 459
1001 Lausanne, Switzerland

Email

info@duralis-energy.ch

Phone

+41 21 647 95 01

Hours

Monday - Friday: 08:30–18:00

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