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Private Equity-Backed Climatic Launches Inhalable Lung Health Device

Reported by Athletechnews
Apr 21, 2026· 3 min read
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Key Takeaways
  • • Climatic, a New York/South Florida wellness startup, closed a $10 million seed round led by Lerer Hippeau to develop L Max, a daily inhaled lung health supplement launching spring 2026, positioning itself to create a new preventative health category.
  • • L Max is a dry powder inhalant formulated with five natural ingredients (sodium bicarbonate, citric acid, and forskolin extract) designed to enhance the lungs' natural mucus clearance; clinical data from Mount Sinai Medical Center of Florida showed a single dose improved mucus clearance by over 50% within minutes.
  • • The company is targeting health-conscious consumers and athletes, capitalizing on a market gap where lung health has been ignored in preventative wellness despite entire industries built around sleep, gut health, and exercise recovery; early athlete trials reported 98% experienced easier breathing with average 6% improvement in time trial performance.
  • • Additional seed investors beyond lead Lerer Hippeau include BBGV, Brand Foundry, Cade Ventures, Good Friends, and Space Station; CEO Eric Kau brings 12+ years of consumer brand experience from Chewy, Amazon, and Seed Health.
  • • Early access to L Max began April 20, 2026, with full commercial launch planned for late spring 2026; a placebo-controlled, double-blind clinical trial is underway to validate efficacy.
Summary
Climatic emerged from stealth in April 2026 with a $10 million seed funding round, positioning itself at the intersection of preventative wellness and respiratory health innovation. The New York-based startup is developing L Max, a non-prescription daily inhalant supplement designed to support the lungs' natural ability to clear mucus, pollutants, and environmental particulate matter. The funding round was led by Lerer Hippeau, with participation from BBGV, Brand Foundry, Cade Ventures, Good Friends, and Space Station, reflecting strong venture backing for a category expansion play in consumer health.

L Max consists of five all-natural ingredients including sodium bicarbonate, citric acid, and the plant extract forskolin. According to in vivo studies conducted with Mount Sinai Medical Center of Florida, a single administration of the product improved mucus clearance by more than 50%, with measurable effects observed within minutes of use. The company has initiated a placebo-controlled, double-blind clinical study to further validate efficacy. In a five-week trial with endurance athletes, 98% of participants reported easier breathing during workouts, with an average 6% improvement in time trial performance, suggesting potential appeal to both general wellness consumers and performance-oriented athletes.

Co-founder and CEO Eric Kau brings substantial consumer brand-building experience, having spent over a decade developing consumer platforms at Chewy, Amazon, and Seed Health. Kau has articulated Climatic's market thesis: lung health remains almost entirely absent from daily wellness routines despite constant exposure to pollution, smoke, and allergens. The company is betting that entire industries built around sleep optimization, gut health, hydration, and exercise recovery demonstrate viable markets for preventative health categories, and that proactive lung care represents a similarly large opportunity.

The product is positioned as a daily ritual for health-conscious consumers already tracking metrics like heart rate variability and macronutrient intake but who have never applied the same intentionality to respiratory function. Early access began April 20, 2026, with a broader commercial launch scheduled for late spring 2026. The company views its addressable market as anyone who breathes, with particular emphasis on athletes and wellness-forward consumers seeking integrated health optimization.

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Athletechnews Private Equity-Backed Climatic Launches Inhalable Lung Health Device