Create air conditioning with single phase power, 20 amps. Deliver up to 14 tons of cooling and heating with 1 outdoor module Run air conditioning far less expensively, using gas Eliminate the need to bring in transformers for retrofits Size the emergency power smaller AND keep the air conditioning on Put air conditioning in just about anywhere Act in heat pump mode or in heat recovery mode Simultaneous heating and cooling Use waste engine heat even at below 0 temperatures