Food for Good program participants

Meals on wheels

PepsiCo established the Food for Good program in 2009 to deliver meals to kids in underserved neighborhoods during the summer. But the expense of refrigerated trucks limited the program’s reach. In 2010, PepsiCo began working with Entropy Solutions to find a solution. Together 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

Photo: The first Cold Boxes were field-tested in 2011. It performed well in record heat that summer, and its use has expanded each year since. - courtesy PepsiCo Food for Good

Phase Change Matters

Connect with PCM experts on LinkedIn

New on LinkedIn: You are invited to join the Phase Change Matters group, a place for PCM and TES experts and industry leaders from around the world to gather and share ideas. The first topic: PCMs and off-peak cooling systems. Read more


Everything you need
to know about PCMs

Phase change materials are designed to absorb, store and release thermal energy. They recharge as ambient temperatures fluctuate, making them ideal for a variety of everyday applications that require temperature control. Read more

Company News

Thermal storage expert joins advisory board

Entropy Solutions welcomes Lucas B. Hyman, president of Goss Engineering Inc., to its advisory board. Hyman, a LEED-accredited mechanical engineer with more than 30 years of experience, is chairman of ASHRAE's technical committee on district energy. Read more