Sealing Homes' Leaky HVAC Systems Is a Sneaky Good Climate Solution

An Aeroseal certified technician monitors the pressurization and sealing process of a home using an AeroBarrier Connect air sealing system in Milton, Ontario, Canada, on Thursday, April 4, 2024. Aeroseal, a company whose technology was developed in conjunction with Lawrence Livermore National Laboratory, has a unique system to speed up the process of sealing leaky HVAC systems to make homes more energy efficient and comfortable. Photographer: Adetona Omokanye/Bloomberg via Getty Images