
Maximum quality. No matter how you look at it
Specialists in the design and manufacturing of thermal systems

We design solutions for maximum efficiency
Specialists in the design and manufacture of thermal systems

R&D&I means quality, efficiency, and adaptability
Specialists in the design and manufacture of thermal systems

Máxima calidad. Lo mires por donde lo mires
Especialistas en diseño y fabricación de sistemas térmicos

Diseñamos soluciones para una eficiencia máxima
Especialistas en diseño y fabricación de sistemas térmicos

I+D+I es calidad, eficiencia y adaptabilidad
Especialistas en diseño y fabricación de sistemas térmicos
Thermal system manufacturers since 1984
Fistex Energy is a pioneering company in the manufacture of solar thermal systems, and one of the few that produces all the main components of a solar thermal installation in its domestic production facilities: storage tanks, solar collectors, mounting structures, and thermosiphon or forced-circulation systems.
We offer a wide range of efficient and innovative systems, supported by a highly experienced team and strict quality control across all manufacturing processes. In addition, our pre-sales and after-sales service have established us as a leading company in the national solar thermal energy market.
The size and design that best fit your projects. We are specialists.
The widest range of thermal products on the market. If we don’t have it, we manufacture it.
ACUMULADORES E INTERACUMULADORES
MÓDULOS PARA
DEPÓSITOS
CAPTADORES
SOLARES
AEROTERMIA
Quality
We are demanding. We use the highest-quality materials to deliver products with maximum durability.
Experience
We know what we’re doing. Nearly 40 years of work have made us highly qualified professionals.
Manufacturers
Nothing escapes us. We design and manufacture, managing the entire process through to the final result.
Warranty
We fully stand behind our work. All our thermal systems come with a comprehensive warranty.
Wide Range
Every installation has its own requirements. We offer a wide range of products to maximize performance.
Sustainability
Using this energy is not only cost-saving, but also beneficial for our planet.
Efficiency
We work thoroughly on every project to avoid any energy loss and achieve maximum system performance.
Design
We adapt our products to integrate perfectly into the space where they are installed.
From professionals to professionals.
Anywhere in the world.
Llegamos tan lejos como nuestros clientes necesiten. Francia, Italia, Chile, Marruecos, México, Portugal… no tenemos fronteras a la hora de acometer un proyecto. Póngase en contacto con nosotros y estudiaremos tanto sus necesidades técnicas como logísticas.
R&D&I = EVOLUTION
Our R&D&I department is in a constant state of development, leveraging technological innovation to enhance the quality, efficiency, and adaptability of our products.
This ongoing research has led to solutions such as our hexagonal tank designs and internationally recognized patents like Durathor®—an exclusive process for protecting fittings and the internal surfaces of tanks in DHW applications at temperatures of up to 90°C, delivering exceptional finish quality and protection.