204 Roundhouse Road Oneonta, New York 13820 (607) 432-1655  Fax (607) 432-7344 Hotel & Housing Facilities Acadamy Arms Senior Housing Oneonta, New York Senior Apartments Built in 1989, A. Treffeisen and Sons installed the complete HVAC and plumbing systems in this senior housing project. Home  Hospital & Health Related Services Manufacturing & Industrial Facilities Retail & Service Facilities Municipal Facilities Offices & Financial Institutions Education & Institutional Facilities Additional Hotel & Housing Facilities: Academy Arms Senior Housing Oneonta, NY Senior Apartments Allen Freedman Estate Davenport, NY Estate Best Western Cooperstown, NY Pool Room Renovation Cathedral Inn Oneonta, NY Motel Christopher's Inn Oneonta, NY Motel City of Norwich Norwich, NY Boardentown Circle Heating Renovation Hampton Inn Oneonta, NY Holiday Inn Oneonta, NY Boomers Lounge Abbey Garden Restaurant Inn @ Cooperstown Cooperstown, NY Room PTAC's LILCO Long Island, NY Approximately 1000 Furnaces Installed McPhail Apartment Oneonta, NY Apartment Building Spauling Apartment Oneonta, NY Apartment Building St. James Manor Oneonta, NY Generator Viewpoint Apartment Oneonta, NY Apartment Building Copyright © 2005 A. Treffeisen & Son - All Rights Reserved