We're not talking about the weight of the air conditioner here, but tons of cooling. Evaporative air coolers, or swamp coolers used for spot cooling as personal air conditioners. Measure the airflow over the air conditioner's cooling coils. Portable air conditioners are ideal for cooling down small rooms such a small livingroom or a bedroom. A portable air conditioner is very good to provide supplemental cooling. The central air conditioner will be more advantageous for large rooms and in cases where whole houses or apartments needs cooling. Our portable air conditioners are a versatile and economical solution to your cooling problems. Portatemp.com is a manufacturer and vendor of portable air conditioners and temporary cooling units. Our experience...