Kurt at koegel plumbing is amazing!! should have called him sooner thank you!!! Circle plumbing & heating is a contracting business established in . Serving all counties throughout the entire state of connecticut! We are always up-to-date on the most efficient service methods and equipment we offer competitive pricing on all products and services. Is your old boiler on the blink, and you have no hot water ? We offer a fixed quote based on your property to see what’s.