What is WaHa?
WaHa operates at the intersection of climate technology and industrial engineering, specializing in the development of energy-efficient desiccant regeneration engines. By utilizing a diverse array of solid desiccants—ranging from silica gel and SAPO-34 to advanced water-harvesting metal-organic frameworks (MOFs)—the company addresses the dual challenge of humidity management and pure water generation. Unlike traditional systems that reject humidity as a waste product, WaHa’s technology harvests water to enhance heat pump efficiency. This unique value proposition positions the company as a critical player in the transition toward sustainable infrastructure, offering a scalable solution for industries seeking to reduce their carbon footprint while optimizing thermal performance.
How much funding has WaHa raised?
WaHa has raised a total of $8M across 1 funding round:
Series A
$8M
Series A (2025): $8M with participation from Anthropocene Institute, Mitsui Mining & Smelting Co., and Berkeley Catalyst Fund
Key Investors in WaHa
Anthropocene Institute
A mission-driven organization that connects entrepreneurs and investors to address climate challenges through the commercialization of innovative technologies.
Mitsui Mining & Smelting Co.
A Tokyo-based manufacturer and distributor specializing in electronic, engineered, and nonferrous smelted materials with a long history of industrial innovation.
Berkeley Catalyst Fund
A venture capital firm based in Cupertino, California, focused on providing strategic support and capital to early-stage entrepreneurial startups.
What's next for WaHa?
The recent capital injection will likely accelerate the commercialization of WaHa’s technology, moving the firm from the pilot phase toward broader enterprise-level deployment. Strategic priorities will likely include expanding manufacturing capabilities for its MOF-based systems and deepening partnerships with industrial heat pump manufacturers. As the company scales, it will focus on proving the long-term durability and cost-effectiveness of its desiccant regeneration cycles in diverse climate conditions. By leveraging the expertise of its current investor base, WaHa is poised to establish a dominant position in the emerging market for high-efficiency climate control solutions, potentially setting a new standard for energy-conscious industrial operations.
See full WaHa company page