A mighty cool vest

Firefighters, soldiers and athletes have at least one hazard in common: In warmer climates, they often find themselves at the mercy of extreme heat. In the mid-1990s, Glacier Tek developed a cooling vest to help people beat the heat. The Original Cool Vest™, powered by PureTemp, maintains a comfortable 59°F for up to 2½ hours in 100°F heat and recharges in minutes. Read more

Meals on wheels

PepsiCo established the Food for Good program in 2009 to deliver meals to kids in underserved neighborhoods during the summer. Refrigeration trucks were used in the first few years, but that expense limited the program’s reach. In 2010, PepsiCo began working with experts at Entropy Solutions to find a solution. They created the Cold Box, an inexpensive and reusable container that keeps food at a safe temperature for hours without refrigeration. It’s powered by PureTemp. Read more

Greening the cold chain

Temperature-sensitive pharmaceuticals are vulnerable to thermal damage during shipment, especially when extreme climates are involved. Entropy Solutions developed the Greenbox packaging system to ensure safe transportation of these products. The key component: PureTemp, a biobased phase change material engineered to maintain payloads at a variety of narrow temperature ranges for up to five days without electrical power. Read more