This low profile under the dash mount heat/cool unit is 26.25" wide 5.25" tall and 12" deep. Features a three speed blower, heat/cool adjustment, defroster duct hook-ups, and three 1" x 5" front adjusting vents. Easy to install with mounting slots on the sides of the unit all plumbing and wiring done from the back side of the unit. Will handle 18,000 BTU's based on a Sanden or Sankyo 508 compressor at 60 MPH. The blower motor is capable of 240 CFM. Minimum condenser dimensions would be 12"X18" but would prefer a 14"X20" sized condenser, or 280 sq. in.