If you're looking for a New PTAC unit for your 450 – 550 Sq. foot space, this 12,000 BTU Hotpoint unit [AH11H12E3B] is the perfect choice.
The PTAC needs 265/277v and 20a of power and features Digital Controls. This unit also features a Heat Pump.
This Hotpoint unit is a great solution for anyone needing a PTAC unit for new construction, or to replace an existing unit.