Divider wall for a room air conditioner

A room air conditioner comprising:

• a front part of said air conditioner including a front panel,
• an evaporator coil located in said front part behind said front panel,
• a blower wheel positioned in said front part to create an air stream flowing in through an air inlet in said front panel, through said evaporator coil and out through an air outlet in said front panel,
• an air housing surrounding said blower wheel and forming an air flow path in said air conditioner,
• said air housing forming a wall separating said front part from a back part,
• a condenser coil and a compressor located in said back part,
• a metal wall portion extending less than a full width of said air conditioner abutting against said air housing wall and being secured to said room air conditioner independently of said air housing and not being secured directly to said air housing.

A room air conditioner comprising:

• a front part of said air conditioner including a front panel,
• an evaporator coil located in said front part behind said front panel,
• a blower wheel positioned in said front part to create an air stream flowing in through an air inlet in said front panel, through said evaporator coil and out through an air outlet in said front panel,
• an air housing formed of an expanded polystyrene material surrounding said blower wheel and forming an air flow path in said air conditioner,
• said air housing being formed in two parts, each of expanded polystyrene, a first part comprising an air scroll shaped cavity for receiving said blower wheel, and said second part comprising an air inlet for directing an air flow into said blower and an air outlet passage for directing an air flow from said air scroll to said air outlet,
• said air housing forming a wall separating said front part from a back part,
• a condenser coil and a compressor located in said back part,
• a metal wall portion extending less than a full width of said air conditioner abutting against said air housing wall and being secured to said room air conditioner independently of said air housing and not being secured directly to said air housing,
• said metal wall portion having a generally Z shape.