Compact heat pump

A heat pump for use in a small building in a confined enclosure not having access to the exterior walls of the building that includes:

• a rectangular housing that is divided into three separate compartment including an outdoor air compartment vertically disposed at the rear of the housing between the housing's top and bottom walls, an indoor air compartment and a compressor compartment mounted in the front of the housing one above the other,
• an interior wall separates the rear compartment from the two front compartments and includes a vertical upper wall section joined by an angularly disposed intermediate wall section whereby the upper part of the rear outdoor air compartment is expanded,
• an outdoor coil mounted at an angle in the rear outdoor air compartment adjacent to the intermediate wall so that the outdoor coil extends into the upper and lower parts of the rear outdoor air compartment, and
• an outdoor air blower means mounted exterior said housing and being arranged to move outdoor air through openings in the top and bottom walls of the housing along a vertical flow path.

A heat pump for use in a building having limited space that includes

• a housing having spaced apart horizontally disposed top and bottom walls and vertically disposed side walls being arranged for mounting for in a small enclosure that does not have access to an exterior wall of the building,
• said housing having a vertically disposed interior wall for forming an outdoor air compartment extending between the top and bottom walls of the housing and an indoor air compartment,
• said outdoor air compartment having a first vertical flow path that extends between the top and bottom walls of the housing for passing outdoor air through said outdoor air compartment and an outdoor air coil in said flow path,
• a first blower located outside said housing for moving outdoor air through said first air path, and
• said indoor air compartment having a second air path for circulating indoor air through said indoor air compartment, an indoor coil and a second blower mounted in said second air path, for circulating outdoor air through said indoor compartment.