BPI Certified: The Building Performance Institute (BPI) is the nation's leading building science accreditation organization. This organization teaches the "house as a system" philosophy - which looks at a building's various components (building envelope, attic, basement, combustion equipment, ventilation sources) and the interrelationship between them to maximize a home's performance. This approach leads to greater energy efficiency, but perhaps more importantly to buildings that simply work better. A home that has been analyzed and upgraded from a whole-house standpoint is more durable, healthier, more comfortable, and more energy efficient. For more information about BPI's standards, take a look at their Technical Standards for Building Analysts (PDF).

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Testimonials

We were very happy with the work by ERS. From the initial evaluation to the completion of the work, Paul Swenson and his crew were a pleasure. We learned a lot about our house in the process, and feel confident that we'll head into this winter with a much more energy-efficient home. I recommend ERS without hesitation.

Evelyn S., Greensboro