Advanced International Journal for Research

E-ISSN: 3048-7641   •   Impact Factor: 9.11

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Volume 7 Issue 2
March-April 2026

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Experimental Evaluation of a Louver-Integrated Layered Window for Heat Gain Control and Daylight Diffusion

Author(s) Ar. Akkashvarman T, Dr. Renganathan R, Mr. Sudhakar M
Country India
Abstract The implementation of various strategies in building design that take into account climate change is crucial for enhancing energy efficiency and improving the indoor environmental quality. The purpose of this study is to evaluate a window system designed by a student that incorporates louver elements, aiming to optimize internal space lighting while minimizing heat gain. An experimental study was conducted using a comparative analysis of two window models: a conventional window and a modified one with layered glazing and triangular louvers. Both models were exposed to artificial lighting simulating solar radiation, and internal surface temperatures were measured at regular intervals using an infrared thermometer.

The experimental results showed that the student's designed window system maintained comparable or even lower maximum surface temperatures than the conventional window under similar conditions. The use of louvers also enhanced internal space lighting by reducing glare and improving lighting diffusion. Although both window models exhibited increased surface temperatures over time, the designed window offered superior visual comfort without compromising thermal performance.

The findings indicate that well-designed shading devices, combined with layered windows, can effectively balance the control of heat gain and the optimization of daylight availability. This study is expected to contribute to the development of sustainable design practices in architecture by demonstrating an effective and cost-efficient method of experimentation.
Keywords climate-responsive design, heat gain, daylight optimization, thermal performance, window design, lou-vers, shading devices, energy efficiency, sustainable architecture, heat transfer, glare control, infrared thermography, experimental analysis.
Published In Volume 7, Issue 2, March-April 2026
Published On 2026-03-21
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E-ISSN 3048-7641
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