Serving all counties throughout the entire state of connecticut! The more demand there is for heating and hot water, the higher the output range you will be looking at. Fantastic! communicated with us throughout the day until the plumber arrived he was efficient and knowledgable best of all -- he fixed the problem! seamless and easy thank you! Our service area includes los angeles metro and all neighboring cities. Choosing between different brands of boiler can be confusing at first,.