Don has helped me with numerous leaks and other plumbing problems when it's an emergency, he works hard to get us on his schedule promptly we really appreciate his great work ethic and honesty! Please read our full terms and conditions below before you apply. The all in one design of the high efficiency boiler with optional water heating results in considerable cost savings! Still nothing? onwards we go, then…. Service was great and i would highly recommend koegel to anyone if you need plumbing.