Smart Joules | 18,385 followers on LinkedIn. We make Energy Efficiency simple, substantial, and profitable through solutions designed to help you save from day one. | On a mission to make Energy Efficiency Simple, Substantial, and Profitable. Our services and products include: 1. JoulePAYS: Make energy savings easy and profitable from day one with zero investment and zero risk for buildings and factories under a single Pay-As-You-Save (PAYS) Agreement. 2.