GURUGRAM — Cooling solutions startup Optimist is in talks to raise about $10 Mn in a fresh funding round from TDK Ventures, the corporate venture arm of Japanese electronics major TDK Corporation, according to sources. TDK Ventures would become a new investor in the company if the round closes. It remains unclear whether the proposed investment would be an extension of Optimist's previously announced $12 Mn seed and pre-Series A round or a separate funding round; an Optimist spokesperson said the company "cannot vouch for the veracity" of details shared regarding the talks, while TDK Ventures did not respond to queries.
Founded in 2024 by former Urban Ladder co-founder Ashish Goel and Pranav Chopra, Optimist (legally Octolife Climate Solutions Pvt Ltd) builds air conditioners designed specifically for Indian conditions, where high temperatures, humidity and expensive electricity make cooling both essential and costly for households. "With increasing heat stress, current air conditioners are neither designed for the changing climate nor built with the Indian consumer in mind," Goel has said of the company's founding rationale.
Building In India, For India
Headquartered in Gurugram with operations in Bengaluru and Haridwar, Optimist integrates in-house engineering, R&D and local manufacturing under a "building in India, for India" approach, targeting ultra-efficient cooling systems built around India's specific climate and electricity-cost constraints rather than adapting designs built for other markets. The company's earlier $12 Mn seed and pre-Series A round, led by Accel and Arkam Ventures with participation from angel investors including Ather Energy founders Tarun Mehta and Swapnil Jain and Bombay Shaving Company founder Shantanu Deshpande, funded R&D, go-to-market expansion, retail service network strengthening, and manufacturing scale-up.
Addressing India's Deep Air-Conditioner Underpenetration
Optimist's core market thesis rests on India's comparatively low air-conditioner penetration relative to its climate: even as heat stress intensifies with each passing year, a large share of Indian households still lack access to functioning cooling, while existing products are often poorly optimised for the country's combination of extreme heat, high humidity and costly electricity. "Customers are not buying a product for just this year. Everyone knows it's getting warmer. So, when a heatwave worse than 2024 hits, we need to be ready with a better product. And that's what we're bringing to the market," Goel has said.
Optimist began going to market in February 2026 with a combination of direct-to-consumer digital sales and exclusive brand stores, launching first in high-heat regions including Delhi NCR, Rajasthan, Telangana and Hyderabad, with plans to expand into Bengaluru and additional cities. Goel previously co-founded online furniture retailer Urban Ladder, which Reliance Retail Ventures acquired in a 2020 all-cash transaction for a 96% stake valued at ₹182 Cr — a deal widely viewed at the time as a distress sale amid pandemic-era funding pressure, giving Goel's second venture added scrutiny as a test of his ability to build and scale a hardware-heavy consumer brand from the ground up.
Why TDK Ventures' Interest Matters
TDK Ventures, established in 2019 as a wholly owned subsidiary of TDK Corporation, invests specifically in startups advancing materials science, energy and power innovation — segments the firm considers historically underrepresented in traditional venture capital portfolios. The corporate venture arm has previously backed India-focused climate and mobility startups, including an investment in electric motorcycle maker Ultraviolette, and has separately backed low-carbon hydrogen production ventures internationally, giving it a track record specifically in energy-efficiency and materials-science-driven climate technology rather than software or consumer internet.
A TDK Ventures investment, if confirmed, would bring not just capital but potential technical expertise in materials science and energy efficiency — areas directly relevant to Optimist's core engineering challenge of building cooling systems that consume meaningfully less electricity than conventional air conditioners while performing reliably in India's harshest climate conditions.
Why It Matters
As India's summers intensify and air-conditioner penetration continues rising from a low base, the energy demand implications are significant for the country's electricity grid and broader climate commitments. Startups like Optimist, building energy-efficient cooling technology specifically engineered for Indian conditions rather than adapted from global product lines, represent a meaningful piece of India's climate-adaptation puzzle — reducing the electricity burden of an inevitable rise in cooling demand, rather than simply meeting that demand with conventional, less efficient technology.
• Optimist is reportedly in talks to raise $10 Mn from TDK Ventures.
• The startup previously raised $12 Mn in a seed/pre-Series A round led by Accel and Arkam Ventures.
• Founded in 2024 by former Urban Ladder co-founder Ashish Goel and Pranav Chopra.
• Optimist builds air conditioners engineered specifically for India's heat, humidity and electricity-cost constraints.
• The company began sales in February 2026 across Delhi NCR, Rajasthan, Telangana and Hyderabad.
