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ECOTEN URBAN COMFORT S.R.O.

We are urban environmental consultants.

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At ECOTEN urban comfort, we help create greener, cooler, and more resilient cities for a sustainable future.

Our mission

Through a technical data-driven approach, we strive to improve people’s quality of life by designing greener, cooler, healthier cities.  

Our vision

We are convinced that the future of our planet will depend on the ability of our cities to adapt, and we must use everyone’s potential to build those resilient cities.

where you can find us

ECOTEN urban comfort s.r.o. is incorporated in Prague, Czech Republic.

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Our Founders
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Ing. Jiří Tencar (PhD)
CEO & Founder

Ing. Jiří Tencar (PhD)

CEO & Founder of Ecoten Urban Comfort s.r.o.

Dr. Jiří Tencar is a sustainability expert, energy specialist, auditor, and civil engineer. He holds a Ph.D. in Sustainable Development and Industrial Heritage Architecture from the Czech Technical University (CTU) in Prague, where he also earned a master’s degree in Structural Engineering and Architecture. During his doctoral studies, he was a visiting Research Scholar at the Department of Architecture, University of Cambridge. Currently, he serves as the guarantor for buildings and energy matters at the Písek Smart City Office. He is an external lecturer at the Department of Architecture and the Department of Civil Engineering at CTU’s Faculty of Civil Engineering. He is also a researcher at the University Centre for Energy-Efficient Buildings (UCEEB) at CTU, where he cooperates on the development of SBToolCZ—a national certification tool assessing the comprehensive quality of buildings based on sustainable construction principles. Beyond academia, he is a member of the Investment Committee of the State Investment Support Fund. He is the founder and CEO of two companies: ECOTEN s.r.o., an energy consultancy and civil engineering design firm specializing in sustainable architecture, and ECOTEN Urban Comfort s.r.o., an urban environmental consultancy focused on climate adaptation strategies for cities. He is deeply passionate about sustainable architecture, smart and green buildings, energy efficiency and optimizations, resilience strategies, and climate change adaptation in urban environments. He has authored or co-authored multiple scientific papers and books, making significant contributions to his field.

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Sagnik Bhattacharjee
CTO & cofounder

Sagnik Bhattacharjee

CTO & Co-Founder of Ecoten Urban Comfort s.r.o.

Sagnik Bhattacharjee, M.Sc., B.Eng., is a specialist in urban environment. He has a master’s in city and urban environment with a specialization in atmosphere, water, and urban environment from Ecole Centrale, Nantes, France, and a bachelor’s in civil engineering from the Indian Institute of Engineering Science and Technology, Shibpur, India. Since graduation in 2017, he has been working as the chief technology officer in ECOTEN urban comfort s.r.o. where he is also a co-founder. Using his expertise in the science and techniques of the urban environment, he has been working on the commercial development of the urban microclimate simulation software suite called SOLENE-microclimat. Currently, he is the lead developer of the upgraded software suite SOLENE-microclimat 2.0 that is being co-developed with the Centre for Studies and Expertise on Risks, the Environment, Mobility and Urban Planning (Cerema Ouest), which is a major French public agency for developing public expertise in the fields of urban planning, regional cohesion and ecological and energy transition for resilient and climate-neutral cities and regions. This is an ongoing research and development grant project funded by The Technology Agency of the Czech Republic, which is an organizational unit of the Czech state in support of research, experimental development, and innovation. At ECOTEN urban comfort, he has been working on providing consultation services to urban development projects across Europe on the climate adaptation of cities and climate-resilient design strategies for the built environment since 2017. In addition, he is the lead developer of the urban heat vulnerability methodology to assess the vulnerability of extreme heat in cities using earth observation and open data. He conceptualized the measurement of the urban heat vulnerability index (UHVI), which has been mentioned in the European Handbook for SDG Voluntary Local Reviews 2020 published by the Joint Research Centre of the European Commission as an exemplary indicator for European cities willing to take action on SDG goals through voluntary local review.

Our Partners
We work alongside leading organizations and innovators to drive urban resilience and sustainability forward. Our partners play a key role in helping us develop cutting-edge solutions that create greener, healthier, and more adaptable cities worldwide.
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