Specifications include, but are not limited to: All units quoted shall have aluminum or copper tubing and aluminum fin coils and shall be furnished with an appropriate mounting kit. Air filter shall be a permanent, washable type. Each unit quoted shall have a minimum of three (3) fan speeds. General B.T.U. range and E.E.R. requirements listed below: Category 1: 7600 - 8000 BTU (+/- 5%), 9.7 + E.E.R. 115 voltage Category 2: 11400 - 12000 BTU (+/- 5%), 9.7 + E.E.R. 115 voltage Category 3: 17100 - 18000 BTU (+/- 5%), 9.7 + E.E.R. 115 voltage 17100 - 18000 BTU (+/- 5%), 9.7 + E.E.R. 208/230 voltage Category 4: 22800 - 24000 BTU (+/- 5%), 9.7 + E.E.R. 208/230 voltage Category 5: 28500 - 30000 BTU (+/- 5%), 9.7 + E.E.R. 208/230 voltage