296 Taugwonk Rd, Stonington, CT 06378 | CT LIC. #303394 RI LIC.#2559 We're eager to serve your comfort needs for years to come. At Duncklee, our philosophy is to design and build the best product, using the best service in the business. Duncklee offers you custom system design, installation and total service. 24-hour Service. Our 24-hour service line means you can count on us to be there ...