About

EEI is a growing New Hampshire based energy services company that has been developing and implementing successful energy savings projects for our Northern New England customers since 2007.Energy Efficient Investments, Inc. (EEI) located in Merrimack, NH and our parent company ENE Systems, Inc. (ENE), with locations in Canton, MA, Providence, RI and East Granby, CT (SNE) are best in class energy management systems and service companies. ENE is the largest independently owned building controls contractor in New England, and including ENE’s subsidiary companies we have over 200 employees and more than 60 service vehicles on the road.