A February 27, 2026 paper in Sensors and Materials examined polymer-dispersed liquid-crystal glazing, including a field experiment in a cargo-container house at National Cheng Kung University’s Guiren campus.
The researchers compared two days with similar outdoor temperatures, using west-facing windows. Their shading-state test used about 5% less daily air-conditioning electricity than the transparent-state test.
That result is a narrow comparison of two operating states, not a year-long occupied-building trial or a comparison against every conventional window film. The paper also reports simulations, which should be distinguished from the field observations. It does not establish a universal household savings rate.
Sources & reporting notes
- PDLC glazing study, DOI 10.18494/SAM5674 Sensors and Materials · Source dated February 27, 2026
- Full research paper, SM4355 Sensors and Materials · Source dated February 27, 2026
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