Aeroseal is a climate tech company that aims to reduce the world's carbon emissions by 1 gigaton annually. They use their leak sealing technologies, HomeSeal Connect and AeroBarrier Connect, to inject a fog of sealant particles into pressurized spaces, creating a certificate of completion showing before and after leakage. They have a presence in 27 countries and all 50 states across the U.S. and have sealed nearly 200,000 projects, saving nearly $2 billion in wasted energy. They were recently certified as a Great Place to Work for May 2022-2023.