Lennox ML13KC1-042-233A** (ML13KC1-042-230A**)
Lennox ML13KC1-042-233A** (ML13KC1-042-230A**) appears in the U.S. EPA ENERGY STAR "Certified Light Commercial HVAC" dataset, which lists products whose manufacturers have certified them to the program's specification (record 4516145, certified 2025-11-26). EPA publishes these rated values for the listing: Type Very Small AC; Split system or single package Split; Heating section type None; Cold climate NA; Meets peak cooling requirements Yes; EER2 rating (Btu/Wh) 12.6; SEER2 rating (Btu/Wh) 15.2; Indoor unit model number CK40HT-42B-**+TDR; Furnace model number EL280UH090E48B*; Refrigerant type R-454B. The listing records ENERGY STAR certification and the rated values the manufacturer reported to EPA. It is not a determination that any building, installation or design complies with a code.
Specifications
| Type | Very Small AC |
| Cold climate | NA |
| Refrigerant type | R-454B |
| EER2 rating (Btu/Wh) | 12.6 |
| Furnace model number | EL280UH090E48B* |
| Heating section type | None |
| Refrigerant with GWP | R-454B (GWP:470 | Lower GWP) |
| SEER2 rating (Btu/Wh) | 15.2 |
| Indoor unit model number | CK40HT-42B-**+TDR |
| Split system or single package | Split |
| Meets peak cooling requirements | Yes |