In a series of articles published in ASHRAE Journal Andy Pearson cuts through refrigeration jargon to explain the concepts associated with refrigeration and heat pump systems. Aimed at people who are not immersed in the refrigeration industry, each article explains key principles in straight forward terms.

This week, Andy uses a cup of tea to explain refrigerants and the relationship between temperature and pressure.

To download the article Click here

In next weeks article, Captain Kirk from the Star Ship Enterprise explains how to improve efficiency.