Glass window coatings for sunlight heat reflection and co-utilization

Area of Science:

• Building Science
• Materials Science
• Sustainable Energy

Background:

• Growing demand for buildings with natural illumination and all-season thermal comfort.
• Realization of conventional resource limitations in building design.
• Need for innovative window technologies integrating multiple functionalities.

Purpose of the Study:

• To conceive a simple, coated double-glazed window with integrated solar blinds.
• To achieve passive infrared (IR) reflection and active illumination control.
• To develop a low-emissivity solar window with climate-adaptive features.

Main Methods:

• Testing of organic and metal-dielectric coatings.
• Design of a coated double-glazed window with solar blinds.
• Application of a spectrally selective coating for low-emissivity and IR reflection.

Main Results:

• Successful conception of a coated double-glazed window with passive IR reflection and illumination control.
• Development of a low-emissivity solar window using spectrally selective coatings.
• Demonstration of climate-adaptive co-utilization of reflected IR.

Conclusions:

• The developed solar window effectively integrates natural illumination and thermal comfort.
• Spectrally selective coatings are crucial for low-emissivity and IR management.
• The window design offers a sustainable solution for modern building envelopes.