Optimax 53KHCT-12 - 1.5 HP Optimax 53KHCT-18 - 2.25 HP Optimax 53KHCT-24 - 3 HP Optimax 53QHET-12 - 1.5 HP Optimax 53QHET-18 - 2.25 HP Optimax 53QHET-24 - 3 HP Optimax Pro 53QHE-30 - 4 HP Optimax Pro 53QHE-36 - 5 HP Optimax Inverter 53QHC-12DN - 1.5 HP Optimax Inverter 53QHC-18DN - 2.25 HP Optimax Inverter 53QHC-24DN - 3 HP Prestige 53QFLT-18 - 2.25 HP Prestige 53QFLT-24 - 3 HP Prestige 53QFLT-30 - 4 HP Prestige 53QFLT-36 - 5 HP Prestige 53QFLT-48 - 6 HP Elegant Pro 53QFJ-36 - 5 HP Elegant Plus 53QFJT-48 - 6 HP Elegant Plus 53KFJT-60 - 7 HP Sky 53QCT-36 - 5 HP Sky 53QCT-48 - 6 HP Satellite 53QDMT-12 - 1.5 HP Satellite 53QDMT-18 - 2 HP Satellite 53QDMT-24 - 3 HP Satellite 53QDMT-30 - 4 HP Satellite 53QDMT-36 - 5 HP Satellite 53QDMT-42 - 5.5 HP Satellite 53QDMT-48 - 6 HP Satellite 53QDMT-60 - 7.5 HP