Window air conditioners are one of the oldest types of air conditioner units ... an indoor unit that blows cool air into the room and an outdoor unit responsible for expelling heat.

Air conditioners chill air by passing indoor air over evaporator coils, returning the chilled air to the room and exhausting the heat removed to the outside ... Intake and exhaust hoses must be placed ...

These tried-and-tested air conditioners are sure to keep your space cool during those hot summer months. Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home team ...