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Atanasio Heating & AC opened its doors in 2000 to serve the needs of Rensselaer communities by installing and repairing heating and air conditioning systems. Over the years, we have grown to become a trusted HVAC services company offering a wide variety of name brand products and highly skilled services for heating, cooling, refrigeration, comfort and safety across the Rensselaer area. Under continuous ownership of the Atanasio family since 2000, we remain focused on the customer by providing them with superior design, installation and service capabilities.