California voters have spoken, and will lead the nation towards achieving renewable energy sources to reduce the use of fossil fuel by 33% on/before 2020.  Unfortunately, the building of new facilities and research and development costs are going to be passed on to you the consumer. GreenShield’s mission is to eliminate and SHIELD you against high energy bills, improve air quality, and prolong the life of your HVAC equipment and home appliances. Our BPI certified building performance auditors and our accredited Infrared thermographers are professionals who understand the principles of building science.  We use the “Whole Home Performance" system approach, to evaluate the efficiency of your home. please watch video below for an overview of this system.