2,600 m² of solar protection for a broadcasting facility

The RTVE buildings in Madrid feature extensive glazed surfaces that allow natural daylight to enter offices, studios and workspaces. However, this high level of transparency also resulted in significant issues with overheating, glare and high energy consumption, particularly on façades with greater exposure to solar radiation.

The technical management team was looking for an effective solution that would improve the energy performance of the complex without disrupting daily operations or altering the building’s corporate image. The intervention needed to reduce solar heat gain, minimise reflections on screens and audiovisual equipment, and improve comfort conditions for hundreds of professionals.

To meet these requirements, Solarcheck carried out a large-scale project covering approximately 2,600 m² of glazed surface, installing the high-performance Sentinel Plus Stainless Steel 25 solar control window film, particularly suitable for environments where an optimal balance between thermal performance, glare control and a neutral appearance is required.

This solution features advanced solar control technology capable of rejecting up to 73% of total solar energy (TSER), significantly reducing heat gain inside the building. It also provides up to 74% glare reduction, a key benefit in working environments with screens and sensitive technical equipment.

The film also rejects up to 72% of infrared radiation, helping to maintain more stable indoor temperatures even under conditions of high solar exposure. In terms of visible light transmission, it provides a balanced level of approximately 22–24%, allowing natural daylight to be maintained while reducing visual discomfort.

Its low exterior reflectance (≈28%) gives the glazing a discreet and elegant appearance, respecting the architectural identity of the complex. It also offers high spectral selectivity (SSI up to 0.81), optimising the balance between natural daylight and thermal control.

In addition, the film blocks more than 99% of ultraviolet radiation, helping to protect technological equipment, furniture and interior finishes against deterioration and fading. Its ability to reduce solar heat gain (SHGR up to 65%) and its favourable g-value of up to 0.27 directly contribute to improving the building’s energy efficiency.

Thanks to this intervention, RTVE has been able to stabilise temperatures in the most exposed areas, reduce the workload on the HVAC systems and significantly improve visual and thermal comfort for users, all without compromising the building’s aesthetics or disrupting daily operations.

The result is a more efficient and comfortable working environment, aligned with current sustainability and energy optimisation criteria, reinforcing the complex’s position as a modern facility equipped to meet today’s performance requirements.