Packaged Terminal Air Conditioners completely assembled as a unitary package consisting of controls, cooling and heating sections. Shall be 208/230 voltage with a nominal 15,000 BTUH cooling capacity and a 3.5 or greater kwh heating capacity that operates on a 20 amp circuit. Each unit shall be no larger than 42 inches long and 16 inches high to fit in the existing building wall openings. Packaged Terminal Air Conditioners completely assembled as a unitary package consisting of controls, cooling and heating sections. Shall be 265 volts with a nominal 15,000 BTU cooling capacity and/or a 3.5 kw and/or 13,000 BTU heating capacity that operates on a 20 amp circuit. Each unit shall be no larger than 42 inches long and 16 inches high to fit in the existing building wall openings.