Monthly Archives: September 2010

Propylene Glycol is used in a lot of solar thermal applications. But why? Simply put it’s because of its heat transfer properties. So what does that mean? Well, let’s take water as a baseline. Water freezes at 32˚F (0˚C) and … Continue reading →

Standardization of solar equipment has been a hot topic in recent months in the solar community. The difficulty with standardizing parts is that solar is not a mature industry. In fact, solar technology is  changing so rapidly that the speed … Continue reading →

This post is about the quality and certification of solar products. I’ve had the opportunity to work in the highly regulated and quality-controlled world of the aerospace industry. In this industry, the FAA keeps close tabs on everything that goes … Continue reading →