Halio Inc. announced an additional $100 million in financing led by inside investors SK and Capricorn Investment Group. SK is Korea’s third-largest company with more than $68 billion in annual revenue.

“SK recognizes the benefits that Halio Smart Glass brings to our lives, the planet, and its synergy with our investment in ESG,” said Dong UK Choi, vice president of SK.

Capricorn makes investments focused on specific impact areas of sustainability, including clean technology, health and wellness and energy efficiency, according to a press release.

“Halio is the practical, necessary, inevitable, and elegant ingredient for the building industry as it moves to net-zero and occupant wellness,” said Dipender Saluja, managing director of Capricorn Investment Group.

Funding enables increased production capability to service orders and to further advance Halio’s electrochromic technology for commercial buildings, residential homes and vehicles, according to the company.

“Architects and developers have specified Halio Smart Glass into a growing backlog of designs,” said Bruce Sohn, Halio CEO. “Our successful partnership with Viracon, the largest architectural glass fabricator in America, is already accelerating our timeline to increase production output.”