Top 10 Fastest Growing Climate Tech Startups of 2026

Climate Tech is reshaping the industry. Here are the leaders of the pack.

JustRaised Research

Introduction

The Climate sector is experiencing unprecedented growth and investment. Here are 2 of the fastest-growing Climate startups that recently secured funding.

Methodology

We identified companies in the Climate space by analyzing their product descriptions, investor thesis, and market positioning. Only companies with recent funding are included.

The Startup List

2 companies

RainmakerClimate Technology Product Manufacturing

Make rain. Make snow. Make droughts end.

$25M

Series A

AerosealClimate Technology Product Manufacturing

Innovative Duct & Envelope Air Sealing Technology

$67M

Series B

Conclusion

These 2 startups represent some of the most promising opportunities in the market right now. With fresh capital and ambitious growth plans, they're actively looking for talent, partners, and vendors.

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