Why ERC. We pay close attention to detail when it comes to taking care of our clients. Moreover, an excellent customer experience is what we strive for with every installation. If something doesn’t go as planned, we always work hard to correct anything that needs attention. Moreover, we take 100% pride in everything we do. That is why we do not outsource, from educating homeowners in the community to designing a custom system and installing it right the first time! Customer satisfaction is guaranteed.