Internat Energy Solutions Canada (IESC) is an independent professional consulting firm. We help our clients remain competitive in a changing world by providing them with expert advice obtained through accurate and unbiased studies. Our collection of tools and best practices assist our customers in achieving their energy efficiency and sustainability goals through a multi-dimensional and holistic approach, supported by data driven analysis and promoting long term cohesion between the built and living environments. Our core business activities include   Improving energy use and comfort with building science and engineering design  Greenhouse gas quantifications and verifications for regualted and voluntary actions  Renewable energy analysis and system design