For residential plumbing, heating, and cooling, Colonial Plumbing, Heating & Cooling brings professionalism and authority. Our plumbing contractors can be counted on to maintain your business systems and is trained to observe your units with a diagnostic eye that will find the problem and recommend the best solution possible.Our heating, cooling, and emergency plumbing services are reliable and affordable, backed by our own warranties and those of the manufacturer. All of our services are available for property owners throughout Manchester, Derry, Nashua, Portsmouth, NH, and beyond.