LG Split Air Conditioner 18000 BTU Cooling Only - 17300 Actual BTU - Model Number: S-LG1873 LG Split Air Conditioner 24000 BTU Cooling Only - 21000 BTU Model Number: S-LG2473 LG Split Air Conditioner 30000 BTU Cooling Only 24000 BTU Model Number: S-LG3073 We have an old system replacement system, delivery and installation upon receipt, payment system with Tamra and Tabby, company transfer system upon receipt. Air conditioner warranty: seven years, five years compressor, two years comprehensive, one year installation.