The HVACR electrical training package includes a 420-page spiral bound training manual, an accompanying instructor guide and PowerPoint CD. This book is clearly written and easy to understand, ...

For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the lights in most houses and flats are part of a circuit controlled by the consumer unit, ...

Thermo-mechanical energy storage (TMES) technologies have attracted significant attention due to their potential for grid-scale, long-duration electricity storage, offering advantages such as minimal ...