The VIREO+ line adds a dramatic new level of performance and style to any room. Never before has it been so simple to maintain consistent indoor comfort regardless of the weather. Even in extremely cold temperatures as low as -25°C, the heat pump model with a heating element provides comforting warmth. With capacities of 9,000, 12,000, 18, 000, and 24,000 BTU and up to 23 SEER.