For buildings without ducts, consider heating and cooling with ductless mini splits. More and more homes and businesses are opting to install sleek mini split heat pumps to heat and cool their interiors. Anywhere in CT, Charter Oak Mechanical can provide you with alternative environmental solutions for your homes and businesses. Ductless Mini splits are energy efficient, Energy Star ® compliant appliances. hey are the perfect solution for three season rooms, enclosed patio rooms, a basement