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            • Seppala Heating& Air Conditioning Inc.

              • Plumbing, Heating & Air Conditioning
              18673 458th ave
              Castlewood, SD 57223
              (605) 520-2606

              • About

                We service Watertown, a Brookings, and Hamlin county
                Specializing in new construction
                Custom ductwork
                98% furnaces