Q&A

From NASA to HVAC: How this Houston tech startup is revolutionizing energy-efficient air conditioning

Rawand Rasheed, the CEO and founder of Helix Earth Technologies, joins the Energy Tech Startups podcast. Photo via LinkedIn

Excessive energy consumption in air conditioning systems is a pressing issue with far-reaching implications for carbon emissions and climate change.

Rawand Rasheed, the CEO and founder of Helix Earth Technologies, is at the forefront of addressing this challenge. With a distinguished background as an aerospace engineer with NASA, Rawand’s expertise is now channeled towards the built environment and heavy industries.

In a recent episode of Energy Tech Startups, we dive into how Rawand’s journey from space technology innovations is now revolutionizing energy consumption in air conditioning systems.


In an era where the urgency to combat climate change is palpable, innovators like Rawand Rasheed are making monumental strides in bridging the gap between space-age technology and sustainable solutions for our planet. Drawing from her unique experiences at NASA and her unwavering commitment to the environment, Rawand's work with Helix Earth Technologies exemplifies the transformative potential of cross-disciplinary expertise. As we witness the evolution of her groundbreaking technology in the HVAC sector, it serves as a potent reminder that with determination, innovation, and a clear vision, we can indeed reshape our world for the better. The future of energy-efficient air conditioning, and by extension, a more sustainable world, is on the horizon, and pioneers like Rawand are leading the way.

Energy Tech Startups: How did your experience at NASA inspire your work in decarbonization and HVAC?

Rawand Rasheed: At NASA, we often faced unique challenges that required innovative solutions, especially in space. One such challenge was fighting fires in space using a micrometer-sized droplet spray of water. This led us to develop an efficient filter that could capture these small droplets without any moving parts. This technology, initially designed for space, turned out to have significant implications for climate tech, particularly in capturing and filtering air streams.

ETS: How does your technology help in reducing energy consumption in air conditioning systems?

RR: Our technology can significantly reduce air conditioning energy loads, cutting them by over 50%. It works by absorbing more from air streams, making the cooling process more efficient. Currently, we're focusing on commercial HVAC systems and are close to scaling our system to a commercial unit. Within the next year, we aim to demonstrate the effectiveness of our system at this scale through pilot projects.

ETS: How did your early life shape your entrepreneurial aspirations?

RR: Growing up, I witnessed firsthand the power of determination and hard work. Starting from scratch, both culturally and financially, and achieving success made me believe that anything is possible. This belief, combined with my passion for the environment and engineering, always fueled my desire to start a company. My graduate studies further solidified this aspiration, merging my interests and leading me to establish my own venture in the realm of environmental engineering.


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This conversation has been edited for brevity and clarity. Click here to listen to the full episode. Hosted by Jason Ethier and Nada Ahmed, the Digital Wildcatters’ podcast, Energy Tech Startups, delves into Houston's pivotal role in the energy transition, spotlighting entrepreneurs and industry leaders shaping a low-carbon future. Digital Wildcatters is a Houston-based media platform and podcast network, which is home to the Energy Tech Startups podcast.

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A View From HETI

Pelican Energy Partners has made its second nuclear-related acquisition of 2026. Photo via Pexels

Houston-based private equity firm Pelican Energy Partners has acquired California-based Veridiam for an undisclosed amount in an effort to further increase the firm’s focus on the nuclear energy sector.

Veridiam is a strategic manufacturer that specializes in the precision fabrication of components and assemblies made from exotic metals or advanced alloys for the nuclear, aerospace, defense, space and medical fields.

Following the acquisition, Veridiam will continue to operate under its existing name and will led by its current management team, including CEO Brian Joyal.

“Joining the Pelican platform accelerates our strategic trajectory," Joyal said in a news release. "With Pelican's support, we will accelerate the modernization and expansion of our manufacturing capabilities to meet unprecedented demand across the nuclear, aerospace, defense, and medical sectors. This partnership also enables us to expand our portfolio of mission-critical products and engineered solutions while maintaining the uncompromising quality, precision, and reliability standards that have defined Veridiam for more than 60 years."

Since 2011, Pelican has raised over $1 billion in committed capital and has realized over 15 investments. Currently, Pelican is investing from its fourth fund, which aims to support and advance companies that provide critical services and products to the nuclear power industry.

In 2024, Pelican raised a $450 million fund to invest in nuclear energy services and equipment companies.

The Veridiam deal comes after Pelican has completed several nuclear acquisitions. The PE firm acquired New Hampshire-based Environmental Alternatives Inc., which provides nuclear decontamination services, in April; it acquired Georgia-based WSI Welding Solution in December, which services the nuclear sector.

"Veridiam sits at the center of our investment thesis and reflects the kind of deal Pelican does best," Mike Scott, managing partner and founder of Pelican Energy Partners, added in the news release. "With the right capital and operating support, we see a clear opportunity to strengthen the business, invest in its capabilities, and create long-term value for customers and shareholders."

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