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Live the energy you deserve

Empowering you to save energy and reduce costs—discover innovative solutions for a sustainable and efficient future.

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Why choose

Gesi Energy.es?

Gesi Energy.es is happy and excited to accompany tens to thousands of residents of Europe and the whole world.

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Saved for our customers
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Months to energy efficiency with us
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Energy Saving Certificates (CAEs)
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MWH of cleaner energy produced for our customers

Our energy efficiency services

Discover how we can help you live the energy you deserve.

Solar System Installation

Solar system installation service in Spain as part of the Certified Energy Savings (CAE) program.

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Air Conditioning Replacement

Installation of advanced air conditioners and heating systems with a high energy rating.

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Lighting Upgrades

Installation of economical lighting systems based on LED technology.

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Insulation Improvement

Introduction of new technologies, such as energy management systems, charging stations for trams and photovoltaic systems.

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We are not the ones saying it, They say it

״Gesi.es transformed our home with LED lighting upgrades! The ambiance is fantastic, and we've noticed a significant drop in our electricity bills. Highly recommended!"=
Laura SanchezMadrid
"The new air conditioning system installed by Gesi.es is a game changer. Our home is now more comfortable, and we’re saving money on our energy costs. Fantastic service!"
Javier LopezBarcelona
"Thanks to Gesi.es, our home is now properly insulated. The difference is incredible! We're enjoying a cozier atmosphere and much lower heating and cooling expenses."
María FernándezValencia
"Installing solar panels with Gesi.es was the best decision for our family. We're producing our own electricity and significantly reducing our monthly bills. It feels great to be energy-independent!"
Antonio RamirezMadrid
"Gesi.es provided a comprehensive energy efficiency solution that exceeded our expectations. We've saved money and improved our living conditions. I can't recommend them enough!"
Clara MoralesGranada
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Committed to Sustainable Energy Solutions

At Gesi.es, we are committed to promoting energy efficiency and contributing to a better world through our innovative services across Spain and Europe. Our mission is to help homeowners and businesses transition to more sustainable energy practices.

Stage 1 - Document Collection

Gather all required documents, such as proof of ownership of the solar system, receipts for equipment purchases, and work plans.

Stage 2 - Filling Out the Application Form

Complete the application form for the credit according to the authorities' requirements.

Stage 3 - System Planning

Prepare a detailed plan for the solar system to be installed.

Stage 4 - Professional Installation

Hire certified professionals to carry out the installation, ensuring compliance with local standards and regulations.

Stage 5 - Conducting Tests

After installation, perform tests to ensure the system operates correctly.

Stage 6 - Obtaining Approval from the Authority

Submit the results and request approval from the relevant authority regarding the system's compliance.

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Works from January 2023?

We can reimburse you for some of the work carried out to improve your energy rating.