HAX

HAX is a global venture capital-backed program dedicated to accelerating startups with a hardware element. Operating across San Francisco and Shenzhen, HAX focuses on rapid prototyping and iteration, helping teams refine their products, business plans, and launch strategies. The program culminates in market readiness support, including introductions to corporates, investors, partners, and press, as well as securing funding and gaining traction.

Andrew Gollach

Principal

Ji Ke

Partner, Program Director and CTO

Past deals in Energy

XFuel

Series A in 2025
XFuel is a company focused on producing sustainable and net-zero advanced fuels for the road, marine, and aviation sectors. Founded in 2010 and headquartered in Dublin, Ireland, with additional operations in Palma de Mallorca, Spain, XFuel has developed innovative technology for the efficient conversion of biomass waste into low-carbon fuels. This process results in a clean, drop-in fuel that can be utilized by distributors and consumers globally, offering a cost-effective alternative to traditional fossil fuels. XFuel's production methods lead to up to 85% fewer greenhouse gas emissions compared to conventional fuel production, with a clear pathway towards achieving carbon-neutral and carbon-negative fuel solutions.

Benerg

Seed Round in 2024
Benerg is an Internet of Things (IoT) technology company that specializes in developing scalable biogas systems designed to efficiently convert food and bio waste into energy. The company focuses on building biogas machines that operate independently of the grid, and it also produces organic fertilizers as a byproduct. By providing innovative solutions for energy resource management, Benerg enables businesses to reduce waste and contribute to environmental sustainability.

YPLASMA

Seed Round in 2024
YPlasma, an INTA spin-off, develops plasma actuators for ionic flow control, enabling advancements in Energy and Electronics.

Blaze Energy Technologies

Seed Round in 2024
Blaze Energy Technologies is a manufacturing company specializing in decarbonization solutions for heavy industry and commercial transport. It develops and provides technologies that enable zero-carbon combustion using ammonia, allowing for a smooth transition from traditional hydrocarbon fuels to future clean technologies. The company's innovative solutions seamlessly integrate with existing operations, leveraging established global manufacturing, maintenance, and supply chain channels.

Navion Energy

Seed Round in 2024
Navion Energy focuses on developing and manufacturing portable energy storage solutions that leverage sodium-ion technology. This innovative approach aims to deliver sustainable and efficient energy storage, enabling various industries to adopt cleaner energy practices and enhance energy efficiency while minimizing environmental impact.

Metal Light

Convertible Note in 2024
Metal Light is developing an emission-free generator using metal-air technology. This innovative solution aims to replace diesel generators, offering a silent operation, zero emissions at the point of use, and recyclable metal fuel.

HidrogeniCs

Seed Round in 2024
Hidrogenics is a clean energy company specializing in methane pyrolysis technology. It converts methane into clean hydrogen and solid carbon products, such as synthetic graphite, carbon nanotubes, and graphene. The company's multi-metal catalyst-based process enables industries to decarbonize and transition towards green energy.

XFuel

Seed Round in 2024
XFuel is a company focused on producing sustainable and net-zero advanced fuels for the road, marine, and aviation sectors. Founded in 2010 and headquartered in Dublin, Ireland, with additional operations in Palma de Mallorca, Spain, XFuel has developed innovative technology for the efficient conversion of biomass waste into low-carbon fuels. This process results in a clean, drop-in fuel that can be utilized by distributors and consumers globally, offering a cost-effective alternative to traditional fossil fuels. XFuel's production methods lead to up to 85% fewer greenhouse gas emissions compared to conventional fuel production, with a clear pathway towards achieving carbon-neutral and carbon-negative fuel solutions.

Qnetic

Seed Round in 2023
Qnetic is a developer of innovative flywheel energy storage technology aimed at enhancing bulk energy storage capabilities for electric grids. The company's solutions focus on providing low-cost energy storage options that facilitate the transition to renewable energy sources, particularly wind and solar power. By enabling efficient energy storage, Qnetic's technology helps reduce reliance on fossil fuels, supporting clients in their efforts to adopt sustainable energy practices. The company's advancements in energy storage are instrumental in promoting the wider deployment of renewable energy solutions.

Solano Energy

Pre Seed Round in 2022
Solano Energy is an asset-light power company focused on making renewable energy accessible. It aims to deliver affordable renewable electricity by building a network capable of supporting low upfront capital expenditure. The company develops equipment that automatically generates, stores, and distributes solar energy, leveraging artificial intelligence to optimize performance and energy use. Founded by engineers from Oxford and Cambridge, Solano Energy emphasizes technical innovation to simplify the adoption of solar power and reduce overall power costs for consumers.

Metal Light

Seed Round in 2022
Metal Light is developing an emission-free generator using metal-air technology. This innovative solution aims to replace diesel generators, offering a silent operation, zero emissions at the point of use, and recyclable metal fuel.

XFuel

Venture Round in 2022
XFuel is a company focused on producing sustainable and net-zero advanced fuels for the road, marine, and aviation sectors. Founded in 2010 and headquartered in Dublin, Ireland, with additional operations in Palma de Mallorca, Spain, XFuel has developed innovative technology for the efficient conversion of biomass waste into low-carbon fuels. This process results in a clean, drop-in fuel that can be utilized by distributors and consumers globally, offering a cost-effective alternative to traditional fossil fuels. XFuel's production methods lead to up to 85% fewer greenhouse gas emissions compared to conventional fuel production, with a clear pathway towards achieving carbon-neutral and carbon-negative fuel solutions.

Flair

Series A in 2022
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling. The company builds smart hardware and software for HVAC controls focused on efficiency, comfort, electrification, and smart grid integration. The company's products are sold through multiple channels including direct to consumer, HVAC distribution, and utilities.

Hearth Labs

Seed Round in 2020
Hearth Labs develops thermal LiDAR sensors that rapidly scan buildings to create detailed thermal digital twins. The sensors capture the missing half of thermal comfort data, enabling precise simulation of heat transfer. Through its analysis platform, the company provides facility managers with insights to optimize energy use, reduce costs, and improve occupant comfort and environmental conditions.

Hearth Labs

Pre Seed Round in 2019
Hearth Labs develops thermal LiDAR sensors that rapidly scan buildings to create detailed thermal digital twins. The sensors capture the missing half of thermal comfort data, enabling precise simulation of heat transfer. Through its analysis platform, the company provides facility managers with insights to optimize energy use, reduce costs, and improve occupant comfort and environmental conditions.

Flair

Seed Round in 2019
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling. The company builds smart hardware and software for HVAC controls focused on efficiency, comfort, electrification, and smart grid integration. The company's products are sold through multiple channels including direct to consumer, HVAC distribution, and utilities.

Flair

Convertible Note in 2017
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling. The company builds smart hardware and software for HVAC controls focused on efficiency, comfort, electrification, and smart grid integration. The company's products are sold through multiple channels including direct to consumer, HVAC distribution, and utilities.

Flair

Seed Round in 2015
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling. The company builds smart hardware and software for HVAC controls focused on efficiency, comfort, electrification, and smart grid integration. The company's products are sold through multiple channels including direct to consumer, HVAC distribution, and utilities.

Flair

Convertible Note in 2014
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling. The company builds smart hardware and software for HVAC controls focused on efficiency, comfort, electrification, and smart grid integration. The company's products are sold through multiple channels including direct to consumer, HVAC distribution, and utilities.

Sassor

Seed Round in 2012
Founded in Tokyo in 2010, Sassor is a Japanese company specializing in service design. It develops devices and services focused on energy management, offering the Energy Literacy Platform to help users understand their daily electricity consumption and improve home energy awareness.
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