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Startup Portfolio: Building Heat

Meet Our Latest Startups: Cohorts 22-2 and 22-3!

As part of our effort to move the needle—and the market—on climate tech, D3 is proud to announce Cohorts 22-2 and 22-3. Alongside a general cohort (22-2) comprising 29 promising climate tech startups, we’re also excited to introduce our first focused cohort of 5 additional startups (22-3) zeroing in on a critical area: carbon dioxide removal (CDR).

3E Nano

Making low-E window coatings up to 50% cheaper than traditional alternatives.

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Blue Frontier

Reducing air conditioning-related energy consumption up to 90%.

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CleanFiber

Providing carbon-negative cellulose insulation that outperforms conventional products, without added costs.

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Darcy Solutions

Boosting the efficiency, reducing cost, and reducing the number of boreholes needed for ground-source heat pumps.

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Flair

Developing a connected smart device that allows mini-split air conditioners to participate in utility demand response programs, as well as a smart vent that enables room-by-room temperature control and improved intelligence.

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Ionic Liquid

Replacing HFC refrigerants with proprietary additives that allow practical use of carbon dioxide as a cooling system refrigerant.

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Kaiterra

Empowering companies to improve health and wellbeing for occupants and planet alike with best-in-class air quality monitoring technology.

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M2 Thermal Solutions

Developing refrigerant-free AC systems using novel membranes to remove water vapor.

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Rebound Technologies

Developing an innovative freeze point suppression refrigeration cycle to increase throughput and operational efficiency to frozen food processors and cold storage and distribution facilities.

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Shimmer Industries

Optimizing lighting to reduce electricity usage by up to 85%.

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Skyven

Delivering low-carbon industrial process heat as a service.

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Transaera

Developing a new class of affordable, energy-efficient, sustainable cooling systems.

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We’re here to help you bridge critical finance and resource gaps by uniting and aligning the world’s most promising climate tech startups—like you—with D3’s network of committed investors, corporate partners, market experts, and mentors.

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