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Tainan Nansi District | Heat-Insulated but Unobstructed Views: Glass Windows Frame a Cool and Comfortable Mountain Retreat

Located in Nansi District, Tainan, this guesthouse estate and scenic restaurant features floor-to-ceiling windows made with LUCIH energy-saving glass, developed in-house by Vastalent. The glass offers excellent heat insulation, effectively blocking external heat sources while allowing ample natural light to enter, maintaining a bright and open atmosphere. According to feedback from the owner, the interior remains cool and comfortable even during the peak of summer, significantly improving the previously stuffy conditions. By combining advanced energy-saving technology with scenic aesthetics, LUCIH glass offers the perfect balance of insulation and transparency—making it an ideal choice for creating high-quality, comfortable spaces.
Tainan Nansi District | Heat-Insulated but Unobstructed Views: Glass Windows Frame a Cool and Comfortable Mountain Retreat
Case Description
 

Vastalent LUCIH Energy-Saving Glass Installed at Scenic Guesthouse Restaurant in Nansi, Tainan — Effective Heat Insulation with Clear Natural Lighting

A guesthouse estate located in the Nansi District of Tainan has recently added a panoramic restaurant surrounded by glass on all sides. To address the issue of heat buildup indoors, the owner chose LUCIH energy-saving glass, independently developed and manufactured by Vastalent, as the window material. LUCIH glass effectively blocks external heat and harmful UV rays from entering the interior, without compromising the flow of natural light. The result is a significantly more comfortable indoor environment, while maintaining a bright, spacious, and visually open atmosphere.

 
 

After installation, the owner immediately noticed a significant improvement in the environment: even at midday during the summer, the restaurant’s interior remained much more stable in temperature—no longer uncomfortably hot. The large glass windows, paired with LUCIH energy-saving glass, successfully achieve the effect of “blocking heat without blocking light.” Guests can now enjoy the surrounding mountain views and a relaxing atmosphere, all while being bathed in natural light. The overall spatial quality and user experience have been greatly elevated.

 

 

Proven Performance of LUCIH Heat-Insulating Glass: Creating Energy-Efficient Spaces Without Compromising Design

LUCIH energy-saving glass, developed with Vastalent proprietary coating technology, delivers high-efficiency insulation against infrared heat and ultraviolet rays. This significantly reduces the load on air conditioning systems while protecting interior furnishings and occupant health—achieving both energy efficiency and enhanced living comfort.

In this installation project, the scenic restaurant features large glass windows on all four sides, putting the glass to the test under direct sunlight, temperature fluctuations, and the need for transparency. LUCIH’s outstanding thermal insulation performance allows the space to remain comfortable and pleasant without obstructing the surrounding views—perfectly balancing design aesthetics with environmental control.

 
 

Vastalent is committed to developing high-performance energy-saving glass solutions, with LUCIH glass standing as one of our most representative success stories. Looking ahead, we will continue to support property owners, architects, and designers in integrating high-efficiency glass solutions across diverse settings—creating modern architectural spaces that harmonize aesthetics, functionality, and sustainability.

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