The Global Low-Emissivity Coated Glass Market was valued at USD 4,866 Million in 2025 and is projected to reach USD 8,184 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 7.8% during the forecast period. This significant growth is being driven by increasingly stringent global building energy codes, the rising demand for green construction, and the rapid expansion of infrastructure development in emerging economies, particularly in the Asia-Pacific region.

As the construction industry accelerates its shift toward sustainability and energy conservation, the focus intensifies on the key manufacturers who are pioneering advanced glazing technologies. These companies are at the forefront of developing high-performance coatings that reduce energy consumption in buildings and vehicles. In this blog, we profile the Top 10 Companies in the Low-Emissivity Coated Glass Industry—a mix of vertically integrated giants and specialized coating innovators shaping the future of intelligent and efficient built environments.

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🔟 1. AGC Inc.

Headquarters: Tokyo, Japan
Key Offering: High-performance Low-E glass, Stopray® series, Electrochromic glass

AGC Inc. (formerly Asahi Glass Co.) is a global leader in glass manufacturing, offering a comprehensive portfolio of advanced Low-E glass products under its Stopray® brand. The company’s solutions are engineered for superior thermal insulation and solar control, catering to high-performance commercial and residential buildings worldwide.

Innovation & Sustainability Initiatives:

• Development of next-generation triple-silver low-E coatings

• Pioneering electrochromic smart glass integrated with Low-E properties

• Commitment to carbon neutrality across its operations by 2050

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9️⃣ 2. Saint-Gobain

Headquarters: Courbevoie, France
Key Offering: PLANITHERM® Low-E glass, SageGlass® dynamic glazing, COOL-LITE® solar control glass

Saint-Gobain is a European powerhouse in the construction materials sector, renowned for its innovative glazing solutions. Its PLANITHERM® range of low-E glass is designed for high insulation performance, while its SageGlass® product line represents the cutting edge of dynamic, tintable glass technology.

Innovation & Sustainability Initiatives:

• Integration of Low-E coatings with dynamic glazing for adaptive building facades

• Focus on cradle-to-cradle certified products and circular economy principles

• Substantial R&D investment in bio-based and low-carbon coating materials

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8️⃣ 3. Guardian Glass (Koch Industries)

Headquarters: Auburn Hills, Michigan, USA
Key Offering: Guardian SunGuard® Advanced Low-E Glass, Clarity™ high-transmission glass

Guardian Glass, a subsidiary of Koch Industries, is a major global supplier of float, coated, and fabricated glass products. Its SunGuard® series offers a wide array of performance options, from high light transmission to maximum solar control, serving both architectural and automotive markets.

Innovation & Sustainability Initiatives:

• Global manufacturing footprint with state-of-the-art coating facilities

• Development of ultra-durable, temperable low-E coatings

• Active participation in setting industry standards for energy performance

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7️⃣ 4. NSG Group (Pilkington)

Headquarters: Lathom, United Kingdom
Key Offering: Pilkington energiKare™ Low-E glass, Pilkington Suncool™ solar control glass

The NSG Group, operating under the iconic Pilkington brand, is a leading worldwide manufacturer of glass and glazing products. With a strong heritage in float glass technology, the company’s Low-E offerings are specified for some of the world’s most ambitious architectural projects, balancing aesthetic appeal with stringent energy requirements.

Innovation & Sustainability Initiatives:

• Leadership in pyrolytic (on-line) low-E coating technology

• Advanced vacuum glazing units for superior thermal performance

• Targeting significant reductions in the carbon footprint of its manufacturing processes

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6️⃣ 5. Xinyi Glass Holdings Limited

Headquarters: Huizhou, Guangdong, China
Key Offering: Architectural Low-E glass, Automotive Low-E glass, Photovoltaic glass

Xinyi Glass is one of China’s largest integrated glass manufacturers, with a rapidly expanding global presence. The company has made significant investments in magnetron sputtering coating lines, enabling it to produce high-quality, cost-competitive Low-E glass that meets international performance standards.

Innovation & Sustainability Initiatives:

• Rapid scaling of production capacity for high-performance double and triple-silver coatings

• Vertical integration from raw material processing to finished glass products

• Expansion into Building-Integrated Photovoltaics (BIPV) with Low-E functional layers

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5️⃣ 6. Vitro Architectural Glass (formerly PPG)

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Solarban® Low-E glass, Sungate® Low-E glass

Vitro Architectural Glass, following its acquisition of PPG’s glass business, is a leading North American supplier. Its Solarban® series is widely recognized for its industry-leading solar performance ratios, helping buildings achieve LEED and other green building certifications.

Innovation & Sustainability Initiatives:

• Continuous refinement of Solarban® coatings for higher light-to-solar gain ratios

• Development of coatings compatible with jumbo-sized glass lites for monumental architecture

• Sustainability initiatives focused on water recycling and emission reduction in manufacturing

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4️⃣ 7. Central Glass Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Epros® Low-E glass, UV-Ban® glass

Central Glass is a prominent Japanese glass manufacturer with a strong focus on technological innovation. The company’s Epros® brand of Low-E glass is designed to meet the demanding energy standards of the Japanese market, with applications expanding across Asia and globally.

Innovation & Sustainability Initiatives:

• Specialization in coatings that offer high clarity and neutral color appearance

• R&D in anti-reflective and self-cleaning functionalities combined with Low-E properties

• Alignment with Japan’s national targets for carbon-neutral building stock

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3️⃣ 8. Schott AG

Headquarters: Mainz, Germany
Key Offering: Specialized high-performance glass, anti-reflective coatings, fire-resistant glass with Low-E properties

Schott AG is a German technology group with a long history of specialty glass innovation. While known for its high-tech applications, the company also produces advanced architectural glass with integrated Low-E coatings that meet the highest European standards for energy efficiency and safety.

Innovation & Sustainability Initiatives:

• Expertise in combining multiple functionalities (e.g., fire resistance, sound insulation) with Low-E performance

• Development of ultra-thin, lightweight glass substrates for modern facade designs

• Commitment to sustainable production through the use of green electricity and recycled materials

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2️⃣ 9. Cardinal Glass Industries

Headquarters: Eden Prairie, Minnesota, USA
Key Offering: LoĒ²-270, LoĒ³-366 coatings, high-performance insulating glass units

Cardinal Glass Industries is a leading North American manufacturer of residential insulating glass, with a strong focus on high-performance Low-E coatings. The company is a key supplier to window and door manufacturers, providing the coated glass that forms the core of energy-efficient fenestration products.

Innovation & Sustainability Initiatives:

• Pioneering soft-coat Low-E technology for the residential window market

• Continuous improvement of coating durability and performance in sealed insulating glass units

• Focus on making high-performance glass affordable for mass-market residential construction

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1️⃣ 10. China Glass Holdings Limited

Headquarters: Beijing, China
Key Offering: Architectural Low-E glass, Automotive glass, Solar glass

China Glass Holdings is a major player in the Chinese and global glass markets, with a diversified product portfolio that includes a growing range of Low-E coated glass. The company leverages China’s vast manufacturing infrastructure to produce cost-effective solutions for both domestic and international projects.

Innovation & Sustainability Initiatives:

• Expansion of high-value-added coated glass production capacity

• Investment in advanced magnetron sputtering vacuum deposition (MSVD) coating lines

• Strategic focus on capturing market share in the growing Asian construction sector

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🏢 Outlook: The Future of Low-Emissivity Glass Is Smarter and More Integrated

The Low-E coated glass market is undergoing a profound transformation, evolving from a passive insulating material to an active, multi-functional component of the building envelope. While traditional double-silver coatings still dominate in volume, the industry is aggressively innovating with triple and quadruple-silver layers, dynamic glazing, and integrated photovoltaic capabilities.

📈 Key Trends Shaping the Market:

• Performance Upgrades: Rapid shift from double-silver to triple and quadruple-silver coatings for enhanced thermal and optical properties.

• Smart Integration: Convergence of Low-E technology with electrochromic, thermochromic, and photochromic smart glass for dynamic solar control.

• Regulatory Push: Strengthening building energy codes worldwide, including the EU’s Energy Performance of Buildings Directive and net-zero carbon building mandates.

• Cross-Industry Application: Growing adoption in the automotive and transportation sectors for improved thermal comfort and electric vehicle range.

The companies profiled above are not just manufacturing glass—they are engineering the high-performance building skins that will define the sustainable cities of tomorrow.

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Low-emissivity Coated Glass Market – View in Detailed Research Report