Save Energy. Secure Comfort. Save Money. Would you like a more comfortable home with lower utility bills? Most homes have not been constructed with energy efficiency in mind. The typical home, whether it was built just last year or 100 years ago, unnecessarily leaks valuable conditioned air. ERS of NC corrects these critical flaws. We use proven techniques that lower your utility bills while creating a more comfortable and healthier home for you and your family while decreasing the negative impact on the environment.