Two-Speed PuronŽ PlusTM Model 598B High energy efficiency of 12.0 to 16.5 SEER Energy cost savings of 16% to 41% PuronŽ environmentally sound refrigerant Bryant's most reliable family of products Superior comfort Superior humidity control Improved indoor air quality Operates on low speed 75%-80% of the time Even temperature throughout the home Quiet operation with Bryant's AeroQuiet SystemTM Protected by Bryant's DuraGuardTM coil guard 10-year compressor limited warranty 5-year parts limited warranty * Refer to the combination ratings in the Product Data Sheet for system combinations meeting Energy StarŽ efficiency standards. Read more about 598B. Quantum PlusTM with PuronŽ Model 550 High energy efficiency of 12.2 to 14.0 SEER Energy cost savings of 23% to 28% PuronŽ environmentally sound refrigerant Bryant's most reliable family of products Quiet operation with Bryant's AeroQuiet SystemTM Protected by Bryant's DuraGuardTM coil guard 10-year compressor limited warranty 5-year parts limited warranty * Refer to the combination ratings in the Product Data Sheet for system combinations meeting Energy StarŽ efficiency standards. Read more about 550A. Quantum PlusTM with PuronŽ Model 552 High energy efficiency of 11.5 to 14.0 SEER Energy cost savings of 16% to 28% PuronŽ environmentally sound refrigerant Approved by the EPA - zero ozone depletion The long term choice for affordable service Bryant's most reliable family of products Quiet operation with Bryant's AeroQuiet SystemTM Protected by Bryant's DuraGuardTM coil guard 10-year compressor limited warranty 5-year parts limited warranty * Refer to the combination ratings in the Product Data Sheet for system combinations meeting Energy StarŽ efficiency standards. Read more about 552A.