Ceiling-recessed ductless heat pumps - 33x33". Rated capacity range 12,000 - 42,000 Btu/h. Branch duct capability Built-in drain lift mechanism for condensate removal; lifts to 33-7/16" Wide air flow pattern for better air distribution Auto wave airflow in heating modeunit independently cycles through horizontal and vertical positions for more even heat distribution Independent vane adjustment Automatic fan speed control Self-check functionintegrated diagnostics Advanced microprocessor control Multiple controller options Limited warranty: five years on parts/defects, seven years on compressors